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Security Service of Ukraine


The Security Service of Ukraine (; Ukrainian: Служба безпеки України) is the principal government agency tasked with protecting Ukraine's national security through , , and the defense of state secrets and statehood. Established in September 1991 immediately after Ukraine's from the , the SBU succeeded the Ukrainian republic's branch of the , inheriting much of its personnel, infrastructure, and operational framework while undergoing initial reforms to align with the new sovereign state's priorities.
As a non-military law enforcement body subordinate to the , the 's mandate—formalized by legislation in March 1992—encompasses detecting and preventing threats such as espionage, , , and against the constitutional order, with a focus on rather than foreign intelligence gathering. The agency maintains regional departments across and specialized units, including the Alpha counterterrorism group, and has been central to efforts combating Russian since the 2014 annexation of and the ensuing Donbas conflict, neutralizing networks of agents and saboteurs amid ongoing reforms to enhance oversight and reduce politicization inherited from its Soviet-era roots. Despite its pivotal role in safeguarding sovereignty, the has faced criticism for past inefficiencies and alleged ties to oligarchic influences, prompting legislative pushes for modernization to prioritize apolitical functions. The Security Service of Ukraine (SBU; Ukrainian: Sluzhba bezpeky Ukrayiny) was established on September 20, 1991, through a resolution of the of , shortly following the country's from the on August 24, 1991. This creation transformed the republican branch of the of the USSR into a national agency aligned with 's sovereignty, retaining much of the prior personnel and infrastructure while initiating a reorientation away from Soviet structures. The foundational legal framework was codified in the Law of Ukraine "On the Security Service of Ukraine," enacted by the on March 25, 1992. This statute delineates the as a state security body with military status, directly subordinated to the , and empowered to conduct , counter-subversion, and protective operations to safeguard , territorial integrity, and the constitutional order. Article 4 of the law specifies that its activities are grounded in the , this legislation, international treaties ratified by , and other pertinent normative acts. The , particularly Article 17, reinforces the SBU's role as the primary agency coordinating state security efforts, ensuring the defense of democracy, , and freedoms against internal and external threats. Subsequent amendments to the 1992 law, including provisions for operational independence and oversight mechanisms, have refined its , though core principles of presidential subordination and focus on non-criminal functions persist. The SBU's military character grants its personnel ranks and status akin to armed forces members, distinguishing it from civilian .

Core Duties and Responsibilities

The core duties and responsibilities of the Security Service of Ukraine () are outlined in the Law of Ukraine "On the Security Service of Ukraine" No. 2229-XII, enacted on March 25, 1992, and subsequently amended, including as recently as July 16, 2025. This legislation establishes the as a state and tasked primarily with safeguarding through measures. Its mandate emphasizes protection against external threats, including the prevention, detection, suppression, and investigation of subversive activities by foreign services, organizations, or individuals aimed at undermining 's , constitutional order, , or defense capabilities. Key responsibilities include combating by identifying and neutralizing threats to public safety and state institutions, as well as countering that poses risks to , such as large-scale of state funds or enabling foreign influence. The is also charged with protecting state secrets, including scientific-technical and economic vital to national defense, through measures like personnel and securing classified materials. In addition, it conducts information-analytical support for government bodies, providing assessments on security threats to inform policy decisions. Amid the ongoing , legislative updates have expanded the 's operational scope, authorizing enhanced special operations to counter armed aggression, including targeted strikes on enemy assets and military within the Armed Forces of . As of July 28, 2025, President Volodymyr Zelensky signed a increasing SBU personnel and capabilities to bolster these defensive activities, reflecting adaptations to wartime exigencies while retaining the foundational focus. Despite reform proposals to narrow its role exclusively to and eliminate general functions—such as reducing staff from approximately 27,000 to 15,000 and ending pre-trial investigations—these changes remain unimplemented as of October 2025, preserving the agency's broader mandate.

Organizational Structure

Internal Divisions and Hierarchy

The Security Service of Ukraine () operates under a hierarchical structure determined by the , with the Chairman at the apex, appointed directly by the president and responsible for overall command and coordination. The Chairman is supported by an Apparatus that handles , implementation, and oversight of subordinate units. Deputy chairmen and heads report to the Chairman, forming a centralized chain of command that emphasizes operational secrecy and rapid decision-making in and matters. This structure, while evolved from Soviet-era models, prioritizes functional specialization to address threats like , , and . The Central Office constitutes the core of the SBU, encompassing specialized departments for core missions. Key operational departments include the Department of , focused on detecting and neutralizing foreign intelligence activities; the Department of Military Counterintelligence, which embeds units within the armed forces to counter espionage and internal threats; the Department of Protection of National Statehood, targeting subversion against Ukraine's sovereignty; and the Center for Special Operations "A" (commonly known as ), a department-status unit specializing in high-risk operations, counterterrorism raids, and hostage rescue, with training in advanced tactics such as sniping and parachuting. Investigative and support functions are handled by the Main Investigative Department for pretrial probes into security crimes, the Main Department of Internal Security for auditing SBU personnel, and departments for economic counterintelligence, state secrets protection, operational-technical measures (e.g., surveillance), and special communications. Analytical and administrative units, such as the Department of Information and Analytical Support, Personnel Management Department, Legal Support Department, and Financial and Economic Department, ensure logistical and strategic backing. Regional organs extend the SBU's reach, comprising main departments in major areas (e.g., and , pre-2014 ) and dedicated departments in each oblast (e.g., , , ) plus , totaling over 20 territorial units for localized surveillance, recruitment, and response. Military counterintelligence bodies operate as embedded subunits rather than standalone regions, integrated into military commands to monitor troops and defense infrastructure. The Antiterrorist Center, functioning directly under the SBU, coordinates interagency efforts against , drawing on Alpha units and regional assets for unified operations. Training and research are supported by institutions like the National Academy of the SBU for officer education and the Ukrainian Research Institute of Special Equipment and Forensic Examinations for technical development. Authorized personnel stood at 37,000 in peacetime under provisions, expandable to 41,000 in special periods and further under wartime mobilization, with the Alpha Center maintaining at least 10,000 operatives. The structure has undergone incremental reforms, including separations of foreign intelligence (into an independent service in ) and government communications, but retains KGB-like centralization with limited public transparency on exact hierarchies due to operational sensitivities. A 2025 reform law signed by President Zelenskyy introduced enhancements to the organizational framework and personnel welfare, aligning with NATO-inspired standards amid ongoing wartime adaptations, though detailed divisional reallocations are not publicly specified.

Personnel, Training, and Resources

The Security Service of Ukraine (SBU) maintains an authorized peacetime personnel strength of 37,000 as of July 2025, following a legislative increase of 10,000 positions approved by the and signed into law by President . This expansion allocates additional staff primarily to the Special Operations Center "A" () and other units, with wartime staffing permitted up to 41,000 to address heightened threats from activities. Actual deployment figures remain classified amid the ongoing conflict, but the agency recruits through competitive processes emphasizing , , and specialized skills for roles in , cyber operations, and field operations. Training occurs primarily at the National Academy of the Security Service of Ukraine (NASBU), a reorganized from earlier KGB-era facilities to prepare officers in , , and disciplines. The curriculum has shifted toward practical components, including hands-on simulations, foreign partner exchanges, and large-scale drills, with recent enhancements in cybersecurity training via dedicated centers established in collaboration with international organizations. Specialized units like Alpha undergo rigorous selection involving physical tests, marksmanship, tactical maneuvers, and loyalty vetting, often drawing from military veterans or academy graduates to ensure operational readiness against hybrid threats. Resources for the are drawn from Ukraine's state budget within the broader security and defense sector, which totaled approximately UAH 1.85 trillion in 2023 for all agencies. In 2025, the received an additional UAH 1.6 billion (about $40 million) amid budget amendments to bolster wartime capabilities, funding personnel expansion, equipment procurement, and operational sustainment. While detailed allocations for assets like surveillance technology, armored vehicles, and weaponry are not publicly itemized due to security sensitivities, the agency's resources have been augmented by Western intelligence-sharing partnerships rather than direct matériel transfers, prioritizing and domestic production amid fiscal constraints.

Historical Development

Soviet-Era Predecessors and Transition

The Committee for State Security (KGB) of the Ukrainian Soviet Socialist Republic operated as the primary internal security organ in Soviet Ukraine from its formal establishment in 1954 until 1991, functioning as a republican affiliate of the all-Union KGB headquartered in Moscow. Its core responsibilities included counterintelligence against foreign espionage, surveillance and suppression of political dissent, protection of state secrets, and combating perceived anti-Soviet activities such as Ukrainian nationalism or ideological subversion, often through infiltration, arrests, and archival documentation of suspects. These operations aligned with the broader KGB mandate to maintain Communist Party control and ideological conformity across the USSR, contributing to the incarceration or exile of thousands of Ukrainian intellectuals, cultural figures, and activists during periods like the 1960s-1980s "dissident crackdowns." Ukraine's push for independence accelerated following the failed August 1991 coup attempt against Mikhail Gorbachev in Moscow, which weakened central Soviet authority. On August 24, 1991, the Verkhovna Rada declared Ukraine's sovereignty, prompting immediate steps to nationalize security institutions. By September 20, 1991, the Rada adopted a resolution dissolving the KGB of the Ukrainian SSR and enacting the Law "On the Service of National Security of Ukraine," which created the Security Service of Ukraine (SBU) as an independent agency subordinated solely to the Ukrainian state rather than Moscow. This legislation emphasized the SBU's role in defending Ukraine's constitutional order, territorial integrity, and countering threats like espionage or subversion, explicitly barring it from internal political repression or economic functions previously handled by the KGB. The transition involved reorganizing existing structures, with the inheriting approximately 90% of the republican 's personnel—around 25,000-30,000 officers and staff—as well as regional offices, archives, and equipment, enabling operational continuity amid the USSR's collapse. Nikolai Golushko, the final chairman in , served as acting head from September 20 to November 6, 1991, overseeing the initial purge of overtly pro-Moscow elements while retaining most mid-level operatives due to expertise shortages. Yevhen Marchuk, a career officer with experience in , then became the first permanent chairman in late 1991 (confirmed in early 1992), prioritizing loyalty oaths to and gradual de-Sovietization, though entrenched personnel ties delayed full ideological decoupling and fueled early criticisms of residual authoritarian methods. This inheritance ensured the 's rapid functionality but embedded challenges, including potential infiltration risks from Soviet-era networks still aligned with .

Early Independence Period (1991–2004)

The Security Service of Ukraine (SBU) was established on September 20, 1991, through a resolution of the that transformed the republican structures of the of the Ukrainian SSR into a national agency focused on , protection of state secrets, and combating threats to amid Ukraine's earlier that year. Initially named the National Security Service of Ukraine, it inherited approximately 25,000 personnel from the but prioritized restructuring to align with democratic principles, including the adoption of the Law on the Security Service of Ukraine in March 1992, which defined its mandate to exclude internal and emphasize external threats like . Yevhen Marchuk, appointed chairman on November 6, 1991, led initial efforts to assert loyalty to the new state, dismissing pro-Soviet elements and redirecting operations toward safeguarding against residual Soviet influences. Under Marchuk's tenure until July 1994, the conducted operations to neutralize foreign agents exploiting Ukraine's post-Soviet vulnerabilities, including a 1994 case involving the apprehension of national Eric Olaf Estenson for provocative activities aimed at destabilizing the country. The agency also addressed and economic sabotage during and chaos, with units targeting networks and that threatened fiscal stability. Successors like (1994–1997) expanded focus on , establishing departments to combat financial crimes and protect , though personnel shortages—reduced to around 15,000 by mid-decade—limited effectiveness. Russian intelligence penetration remained a core concern, with SBU uncovering networks linked to seeking to influence politics and military assets, such as the division agreements. By the late 1990s under Leonid Derkach (1997–2000), the faced accusations of overreach, including selective enforcement favoring President Leonid Kuchma's administration, which eroded public trust inherited from the KGB's repressive legacy. The 2000 investigation into journalist Heorhii Gongadze's murder highlighted operational shortcomings, with evidence mishandling prompting Kuchma to dismiss Derkach in amid tapes alleging high-level involvement. Vladimir Maliarenko's interim leadership (2000–2003) and subsequent appointments attempted professionalization, but persistent challenges included inadequate funding—budgets hovered below 0.5% of GDP—and infiltration risks from former Soviet operatives, fostering perceptions of the as a tool for elite protection rather than impartial security. Through 2004, the agency dismantled several rings tied to and , yet systemic ties to old guard personnel hindered full de-Sovietization.

Post-Orange Revolution Reforms (2005–2010)

Following the , President sought to reform the Security Service of Ukraine () by removing holdovers from the Kuchma administration and shifting the agency toward greater accountability and reduced political interference. On February 4, 2005, Yushchenko dismissed SBU Chairman Ihor Smeshko, a career appointed in 2003, citing the need to break from past practices that included alleged complicity in electoral manipulations. Yushchenko then appointed , a civilian politician and ally from the Our bloc, as the new chairman—the first non-military figure to lead the SBU since 's independence—tasking him with purging corrupt elements and investigating 2004 election fraud, including falsified vote counts estimated at over 1.5 million by international observers. Turchynov's leadership initiated probes into high-profile cases, such as the poisoning of Yushchenko with in late 2004, but yielded few convictions due to evidentiary challenges and resistance from entrenched networks. Turchynov served until September 8, 2005, when Yushchenko removed him amid scandals involving alleged misconduct, including unauthorized surveillance and internal leaks, which highlighted ongoing institutional opacity. Subsequent appointments, such as or interim heads, reflected political instability, with the remaining contested terrain amid coalition disputes between Yushchenko's supporters and Viktor Yanukovych's allies. On November 7, 2005, Yushchenko issued a establishing the independent State Service of Special Communications and Protection of Information, carving out the SBU's government communications and signals protection units to streamline functions and limit the agency's domestic reach, though this separation did not address broader overlaps. Efforts to institutionalize reforms continued unevenly; in December 2006, Yushchenko proposed a National Commission on Reforming the to develop a comprehensive , emphasizing depoliticization and alignment with Euro-Atlantic standards, but the initiative stalled amid parliamentary and lack of unified presidential-parliamentary support. Throughout 2005–2010, the 's personnel numbered around 25,000–30,000, with budgets fluctuating between 1.5–2 billion hryvnia annually, yet persistent —manifest in economic crime investigations that often protected interests—and ties to regional clans undermined progress, as evidenced by internal audits revealing cases exceeding 100 million hryvnia yearly. No major amendments to the 1992 Law on the Security Service of Ukraine were enacted during this period, leaving the agency's expansive mandate intact and vulnerable to executive influence. By 2010, these half-measures had failed to fully sever Soviet-era legacies, positioning the as a tool in domestic power struggles rather than a reformed guardian of .

Yanukovych Administration (2010–2014)

Upon Viktor Yanukovych's inauguration as president on February 25, 2010, the () underwent leadership changes aligning it more closely with the new administration's priorities. On March 11, 2010, Yanukovych appointed oligarch Valeriy Khoroshkovsky, a media magnate and owner of the Inter Media Group controlling significant television assets, as head. Khoroshkovsky's tenure, lasting until January 2012, saw the agency revert to Soviet-era tactics, including intimidation and surveillance of critics, drawing accusations of politicization to protect regime interests over . The under Khoroshkovsky investigated high-profile opposition figures, such as former on charges related to a 2009 gas deal with , amid broader efforts to consolidate power through selective prosecutions. Khoroshkovsky's dismissal on January 19, , and subsequent as finance minister marked a transitional phase, with interim leadership including figures like Ignat Danilchenko before a permanent replacement. On January 9, 2013, Yanukovych elevated Oleksandr Yakymenko, a former general with ties to Russian-oriented security circles, to chief. Yakymenko's leadership intensified the agency's domestic focus, including expanded authority under a January law signed by Yanukovych to probe "mass disturbances" and official , facilitating preemptive suppression of dissent. This period also involved interference in media and business spheres, with actions supporting allied oligarchs while targeting competitors, as evidenced by probes into outlets critical of the regime. The Yanukovych administration's pro- pivot compromised efforts against . Despite internal warnings—at least twice in 2010 and 2011 about in —the agency was directed to deprioritize such threats, allowing unchecked activities on Ukrainian soil. operations against pro- separatists were explicitly prohibited, enabling agents freer rein and contributing to later vulnerabilities in 2014. Resources shifted toward internal surveillance, including against journalists and activists, as in the 2011 case of blogger Oleg Shinkarenko targeted for anti-Yanukovych posts, exemplifying the service's weaponization for political loyalty over external defense. As protests escalated from November 2013, the SBU under Yakymenko played a supporting role in security measures, conducting and coordinating with other forces amid violent crackdowns that killed over 100 demonstrators by February 2014. Yakymenko fled to following Yanukovych's ouster on February 22, 2014, later facing charges for alleged collaboration that undermined Ukrainian . This era's emphasis on protection eroded institutional independence, fostering infiltration by assets and setting the stage for post-Maidan reforms.

Euromaidan Revolution and Reorientation (2014–2021)

During the Euromaidan Revolution, from November 2013 to February 2014, the Security Service of Ukraine (SBU) under head Oleksandr Yakymenko, a close ally of President Viktor Yanukovych, played a role in suppressing protests against the government's suspension of EU association talks. Investigations later revealed coordination with Russia's Federal Security Service (FSB), including the presence of at least 20 FSB officers in Kyiv from December 13 to 15, 2013, to assist in planning the crackdown on demonstrators. On February 19, 2014, amid escalating violence, the SBU announced an "anti-terrorist operation" targeting protesters, which contributed to the deaths of over 100 civilians in clashes with security forces. Following Yanukovych's flight to Russia on February 22, 2014, and the Revolution of Dignity's success, the SBU underwent immediate leadership changes and internal purges to excise pro-Russian elements. Valentyn Nalyvaichenko was appointed acting head on February 24, 2014, reporting that SBU headquarters had been stripped of files and weapons by fleeing personnel. The agency, previously infiltrated by Russian agents, initiated arrests of suspected collaborators; by late 2014, it had detained 235 individuals accused of espionage for Moscow and charged unspecified numbers of its own officers with treason. Vasyl Hrytsak succeeded Nalyvaichenko as head in June 2015, overseeing a shift toward countering hybrid threats amid Russia's annexation of Crimea in March 2014 and the outbreak of war in Donbas that April. The SBU's reorientation emphasized counterintelligence against Russian operations, including in the Anti-Terrorist Operation (ATO) framework for from 2014 to 2018, where it coordinated security efforts against separatist forces backed by . Key activities involved dismantling agent networks, such as a 2021 exposure of Ukrainian citizens recruited for intelligence tasks in eastern regions, and documenting early deployments in from May 2014. Reforms progressed unevenly; a 2019 law curtailed the SBU's involvement in economic crimes to refocus on state security and , though critics noted persistent corruption, political misuse, and insufficient depoliticization. By 2021, under ongoing leadership, the agency had foiled numerous attempts but retained broad domestic powers, reflecting incomplete transition from its Soviet-era roots despite external pressures for Western-aligned oversight.

Full-Scale Russian Invasion Era (2022–Present)

The (SBU) shifted to a wartime posture following Russia's full-scale on February 24, 2022, prioritizing , against Russian forces, and neutralization of internal collaborators. Prior to the invasion, the agency had disrupted several Russian intelligence-gathering operations targeting Ukrainian assets, including attempts to recruit insiders for . In the invasion's early stages, SBU elements supported the of by identifying and arresting suspected Russian agents and local collaborators, contributing to the disruption of planned terrorist acts in government-controlled areas. By August 2025, the SBU reported exposing 207 Russian operatives since the invasion's outset, among them 52 active-duty Ukrainian servicemen acting as moles. Leadership transitioned amid scrutiny of internal loyalties. President dismissed SBU head in July 2022, citing widespread treason cases within the security apparatus that compromised operations during the invasion's initial months. Vasyl Maliuk, a with prior experience, assumed the role of acting head and was formally appointed on February 7, 2023. Under Maliuk, the SBU expanded cross-border operations, conducting deep inside Russian territory, including strikes on military airfields and the of a pro-Russian leader in on February 3, 2025. Maliuk personally oversaw responses to targeted killings, such as the July 2025 elimination of a foreign hit squad in after the murder of an SBU colonel. The claimed responsibility for the October 8, 2022, truck bombing of the Kerch Bridge linking to occupied , which damaged the structure and disrupted Russian logistics. Subsequent operations included maritime drone strikes across the , with an upgraded "Sea Baby" variant unveiled in October 2025 capable of operating throughout the sea and carrying heavier payloads. In June 2025, Maliuk disclosed details of an 18-month effort involving 117 drones and 2,200 kg of explosives to destroy Russian strategic bombers, followed by "Operation Cobweb," a drone swarm attack postponed due to Russian logistical delays during . Internally, the agency detained its own counter-terrorism center chief in February 2025 on suspicion of Russian collaboration, highlighting ongoing infiltration risks. Wartime demands prompted resource reallocations, with personnel integrated into broader defense efforts, though specific reforms remained limited amid the conflict's exigencies. By October 2025, Maliuk reported to Zelenskyy on enhanced long-range strike capabilities and operational plans targeting advances, such as in the direction, underscoring the agency's evolving role in . These activities, while boosting morale, relied heavily on unverified disclosures, with sources denying many claims of damage or attributing successes to defensive measures.

Key Operations and Achievements

Counterintelligence and Sabotage Against

The Security Service of Ukraine (SBU) has prioritized measures to detect and dismantle Russian intelligence networks within following the full-scale invasion on February 24, 2022. By August 2025, the SBU reported exposing 207 Russian agents and spies operating across various sectors, including adjustments to recruitment tactics amid heightened scrutiny. Among these, 52 individuals were identified as active-duty personnel in the Ukrainian Armed Forces, with 44 convicted and sentenced to 12–15 years in prison for and . These efforts have included neutralizing embedded agents who leaked military plans, such as a former Forces commander arrested in 2024 possessing encrypted devices with sensitive warfare data. Specific operations have targeted Russian military intelligence () cells responsible for coordinating strikes and . In February 2025, the detained two s in and —a 27-year-old resident and a 40-year-old former serviceman—linked to GRU handler Maksim Chachin, who directed scouting of strategic sites for missile and drone attacks on via Google Maps coordinates. The network, recruited through a former university lecturer who fled to in 2021, also executed arson on two mobile communication towers and electrical substations in while preparing IED-based terrorist acts, all of which were thwarted. The suspects face life imprisonment on charges of high , , and explosives handling. Additional arrests in July 2025 involved a Kharkiv-based plotting substation bombings, and on , 2025, a woman spying on airfields via concealed cameras. In parallel, the SBU has conducted sabotage operations targeting Russian military and infrastructure assets, often deep within Russian territory or occupied areas, as claimed by SBU head Vasyl Maliuk. On October 8, 2022, the SBU detonated a truck bomb on the Bridge, destroying a road section and damaging rail lines, disrupting Russian logistics for seven months. Assassinations included Daria Dugina via in on August 20, 2022; Vladlen with an explosive figurine in St. Petersburg on April 2, 2023; Lt. Gen. Igor Kirillov by scooter bomb in December 2024; and Lt. Gen. Moskalik by in April 2025. Infrastructure strikes encompassed explosives on the Baikal-Amur Mainline railway in on November 30, 2023, igniting a and damaging a bridge; underwater mines weakening Bridge supports on June 3, 2024; and drone strikes destroying approximately 12 military aircraft at Russian airfields on June 1, 2024, via smuggled containers. These actions, executed with local assets and remote activation, aimed to degrade Russian operational capacity, though Russian sources often dispute attributions and casualty figures. The (SBU) has played a central role in asymmetric against Russia's since the full-scale invasion in February 2022, primarily through the deployment of unmanned surface vessels (USVs) known as "Sea Baby" . These maritime , developed and operated under SBU oversight, have been used to conduct strikes on Russian naval assets and infrastructure, contributing to the degradation of Russian naval presence in the region. The SBU has credited these operations with forcing Russia to relocate significant portions of its fleet from and other Crimean bases to more distant ports like . On October 22, 2025, the unveiled an upgraded iteration of the , featuring enhanced range exceeding 1,000 kilometers, reinforced engines, improved navigation systems, and capacity for heavier explosive payloads, enabling operations across the entire . The agency reported that prior versions of these USVs had successfully struck 11 vessels, including frigates and carriers, since the war's onset, with strikes targeting anchored ships and facilities to exploit vulnerabilities in defended harbors. These drone operations rely on , guidance, and explosive warheads, allowing low-cost, high-impact attacks that bypass traditional naval superiority. In coordination with the , the executed a joint strike on October 18, 2025, destroying a key Russian ammunition depot at near the entrance to the River, which disrupted logistics for Russian forces in and enhanced Ukrainian control over vital shipping routes. -led efforts have also incorporated elements, such as a reported June 2025 operation targeting the Kerch Bridge connecting to occupied , using divers and submersible devices to damage supports and interrupt supply lines. Head Vasyl Maliuk stated that these naval drone initiatives would persist to systematically expel Russian naval forces from the , reflecting a shift toward unmanned systems as a force multiplier in Ukraine's resource-constrained maritime domain.

Cyber and Domestic Security Efforts

The Security Service of Ukraine () maintains a dedicated Cyber Security Department responsible for defending against Russian-sponsored cyberattacks and hybrid threats, particularly intensified since the February 2022 invasion. SBU cyber teams conduct real-time operations to disrupt Russian drone incursions, utilizing proprietary drones, sensors, and tactics in a continuous adversarial cycle along front lines. Ukrainian officials, including SBU leadership, have stressed the imperative of national , implementing layered defenses to mitigate disruptions to amid persistent Russian probing. In parallel, SBU cyber efforts integrate with broader information operations, countering Russian influence campaigns and malware deployments targeting government and networks, as evidenced by joint advisories from agencies on GRU-linked activities. These operations have contributed to Ukraine's overall cyber posture, enabling sustained functionality of systems under duress, though specific attribution of prevented incidents remains classified. Domestically, prioritizes and to neutralize FSB-orchestrated networks, arresting hundreds of collaborators since 2022 through vetting, , and raids. By August 2025, the agency had exposed 207 Russian spies across military units, political circles, and infrastructure sites, including a marine brigade operative directing strikes on Ukrainian bases and an officer leaking data on Western-supplied jets. SBU's 2023 counter-sabotage measures vetted nearly 1 million individuals, averting threats at nuclear facilities in , , and regions by detaining 13 suspected agents. High-profile actions include the November 2022 raid on Kyiv's Kievo-Pechersk Lavra , targeting alleged Russian subversive cells, and January 2025 arrest of an engineer heading a spy ring coordinating attacks on energy grids. The agency has also exposed impersonation tactics where Russian operatives pose as SBU officers via fake summonses to recruit civilians for , issuing public warnings to disrupt such . These efforts have demonstrably reduced internal threats, with SBU documenting prevention of dozens of planned diversions at , , and power facilities.

Controversies and Criticisms

Domestic Surveillance and Political Overreach

The Security Service of Ukraine () has been implicated in unauthorized surveillance operations targeting domestic actors, including journalists and figures, often justified under national security pretexts but criticized as exceeding legal bounds. In early 2024, the investigative outlet Bihus.Info disclosed that agents had installed hidden cameras and recording devices in the journalists' offices, vehicles, and residences for months, capturing private conversations unrelated to security threats. This surveillance culminated in a leaked video in January 2024 purporting to depict Bihus.Info staff using narcotics at a New Year's event, which the outlet attributed to a failed smear campaign; the incident sparked outrage over press freedoms, with ambassadors engaging journalists to investigate. President responded by dismissing the head of the 's Department of Operational Support, though the agency denied systematic wrongdoing and claimed the recordings targeted potential corruption. SBU actions have extended to political figures perceived as oppositional, particularly those with pro-Russian ties, raising allegations of to neutralize rivals. In May 2021, the SBU raided the home of leader , charging him with for allegedly financing separatist groups in with over 200 million hryvnia (approximately $7.5 million USD at the time); Medvedchuk, a close associate of Russian President , denounced the probe as "" aimed at silencing dissent. The SBU's investigation preceded National Security and Defense Council sanctions in February 2021 blocking three Medvedchuk-linked television channels—112 Ukraine, ZIK, and NewsOne—on grounds of spreading Russian propaganda and evading prior sanctions, affecting an estimated 6 million viewers and prompting accusations from opposition lawmakers of media to consolidate power. Under enacted in February 2022, the 's mandate expanded, permitting warrantless interceptions in cases, but instances of overreach persisted into 2025 amid inter-agency conflicts. The launched raids on the () in July 2025, detaining at least one employee on high charges for purported Russian ties, including alleged coordination with handlers; these operations, involving over 70 searches, coincided with NABU probes into scandals implicating Zelenskyy allies, fueling claims that the —viewed as aligned with the President's Office—was weaponized to obstruct anti-corruption efforts. Independent analyses have highlighted how such clashes erode institutional independence, with the portraying targets as security risks while critics argue the timing reflects political self-preservation rather than genuine threats. Zelenskyy administration defenders counter that wartime exigencies necessitate aggressive domestic monitoring to counter infiltration, though documented illegal tactics like the Bihus case underscore accountability gaps in oversight.

Human Rights Violations and Due Process Issues

The Security Service of Ukraine () has faced documented allegations of violations, particularly arbitrary detentions, enforced disappearances, and , primarily in the context of countering separatist activities in since 2014. A joint report by and , based on interviews with 40 victims, detailed nine cases of arbitrary and prolonged detentions by Ukrainian authorities, including three involving SBU facilities where detainees were held in secret for periods ranging from to 15 months without acknowledgment of their custody or access to legal representation. These incidents occurred in SBU premises in , Kramatorsk, Izyum, and , with victims subjected to beatings, electric shocks, , and threats of execution to extract confessions of separatist ties. A Office of the High Commissioner for (OHCHR) thematic report covering April 2014 to April 2021 verified approximately 2,300 arbitrary detentions by actors, including the , out of 3,600–4,000 total conflict-related detentions, with around 1,500 victims reporting or ill-treatment such as , , and mock executions. Secret and incommunicado detentions were prevalent in unofficial sites, especially during 2014–2015 when 60% of arbitrary cases occurred, often without warrants or notification to families, facilitating coerced statements and denying detainees care for injuries. Specific patterns included transferring detainees to conceal their presence during international inspections, as in cases from November 2014 and May 2016 at the facility. Due process violations have compounded these abuses, with detainees routinely denied prompt judicial review, legal counsel, or evidence presentation, contravening Ukrainian law and international standards. In 2023, the OHCHR documented 65 instances of SBU incommunicado detentions in unofficial facilities lasting hours to 4.5 months, aimed at coercing information related to alleged Russian collaboration, during which 57% of interviewees reported torture or ill-treatment. The U.S. Department of State noted that such practices persisted under martial law, with SBU withholding information from relatives and ignoring court authorizations for release in some cases. Investigations into these allegations have been limited, contributing to patterns of impunity, as few perpetrators faced prosecution despite victim testimonies and forensic evidence of abuse.

Corruption Scandals and Internal Misconduct

In September 2025, Ukraine's and Specialized Anti-Corruption Prosecutor's Office (SAPO) notified Illia Vitiuk, the former head of the cybersecurity department, of suspicion for illicit enrichment and submitting false asset declarations; the case alleges discrepancies between his declared income and acquired properties, including luxury vehicles and valued at millions of hryvnias. The dismissed the charges as retaliatory "revenge" by anti-corruption agencies amid ongoing inter-agency tensions, claiming Vitiuk's ouster in 2024 was unrelated to personal gain but part of broader restructuring. Also in September 2025, and SAPO indicted a senior officer and two accomplices for extorting $300,000 from an individual to quash evidence in a scheme military-age men abroad to evade ; the case, involving wiretaps and footage, was forwarded to , with potential penalties of up to 12 years and . This incident highlighted alleged abuse of operational tools for personal profit, tied to Ukraine's wartime challenges where smuggling networks have proliferated. In July 2025, charged another officer with bribery, accusing him of soliciting payments to influence investigations; the suspect faces up to 12 years in prison, amid escalating raids and counter-accusations between the and over alleged Russian infiltration in anti-corruption probes. These cases reflect persistent internal vulnerabilities, despite reforms post-2014, including the unexplained 2022 disbandment of Department "K," its organized crime and anti-corruption unit, which critics linked to operational failures or self-protection from scrutiny. Earlier probes, such as those against former head Vasyl Hrytsak (2015–2020), involved court orders for to investigate undeclared family asset acquisitions and potential , but yielded no convictions and were marred by claims of political motivation during leadership transitions. Overall, while wartime priorities have limited systemic audits, individual misconduct prosecutions underscore challenges in insulating the from graft, with inter-agency rivalries complicating accountability.

Conflicts with Anti-Corruption Bodies

The Security Service of Ukraine () has engaged in multiple public disputes with the () and the Specialized Anti-Corruption Prosecutor's Office (SAPO), primarily over jurisdiction in high-profile investigations and allegations of mutual interference. These conflicts intensified in 2025, with the conducting raids on and SAPO facilities, detaining personnel, and accusing anti-corruption officials of ties to , while and SAPO countered by charging officers with corruption and portraying the actions as efforts to shield politically connected figures. On July 21, 2025, the initiated searches targeting individuals it claimed exerted "significant influence" on activities, alleging contacts with Russian intelligence and potential sabotage of probes under the guise of work. The operation included detaining a senior investigator linked to SAPO, whom the accused of leaking sensitive information, though and SAPO described the moves as a "coordinated assault" to undermine their independence and obstruct cases involving defense procurement and elite networks. In response, on September 4, 2025, filed charges against Illia Vitiuk, the 's former head of cybersecurity, for alleged illegal and abuse of office in a case the dismissed as "revenge" by agencies against its leadership. This tit-for-tat escalated further in 2025, with SAPO head Oleksandr Klymenko publicly decrying pressure tactics, including repeated interrogations and , which he linked to probes into figures close to President Zelenskyy; the rejected these claims, insisting its actions targeted only verifiable threats. Broader institutional friction emerged on July 22, 2025, when Ukraine's parliament enacted legislation granting the executive branch—potentially including oversight—expanded authority over and SAPO leadership appointments and operations, prompting criticism and a partial reversal after protests from EU partners and domestic reformers who viewed it as subordinating efforts to security apparatus control. The has maintained that such measures are essential for countering threats, including alleged Russian infiltration of reformist institutions, whereas critics from circles argue the agency's expansive mandate enables selective enforcement to protect entrenched interests amid wartime opacity.

Reforms, Oversight, and International Role

Oversight Mechanisms and Presidential Control

The head of the (SBU) is nominated by the and appointed following approval by a majority vote in the , Ukraine's parliament; the President retains unilateral authority to dismiss the head at any time. This dual process, outlined in the Law of Ukraine "On the Security Service of Ukraine," positions the presidency as the primary executive authority over the agency's leadership, with parliamentary consent serving as a formal check rather than a power. For instance, on July 28, 2022, appointed Vasyl Maliuk as acting head of the , with the 's involvement limited to subsequent confirmation procedures amid wartime exigencies. Parliamentary oversight is exercised primarily through the Verkhovna Rada's Committee on National Security, Defence and Intelligence, which reviews SBU activities, receives the agency's annual report from its head, and conducts inquiries into operations. The SBU is legally obligated to provide information and respond to committee requests, as stipulated in Ukraine's national security framework and intelligence laws, enabling scrutiny of counterintelligence, internal security, and resource allocation. However, the committee's effectiveness has been constrained by the imposition of martial law on February 24, 2022, which expanded executive powers and deferred certain parliamentary functions, including detailed audits during active conflict. Complementing these structures, the appoints a dedicated for Control over Activities to monitor compliance with legal mandates, investigate complaints, and report directly to the ; Roman Semenchenko has served in this role since his appointment on October 11, 2019. This mechanism reinforces presidential dominance, as the commissioner operates within the executive branch without independent prosecutorial or judicial authority. In practice, accountability relies heavily on internal audits and judicial warrants for specific operations, but analysts note that the agency's alignment with presidential priorities—particularly in countering Russian influence since —has prioritized operational autonomy over rigorous external checks, with the presidency holding ultimate directive power under Article 106 of Ukraine's .

Reform Efforts and Challenges

Following the 2014 Revolution of Dignity, the Security Service of Ukraine () underwent initial restructuring to address and ties to the prior regime, including mandatory asset declarations for officials starting in 2015. In 2018, President announced a comprehensive reform plan to transfer investigative functions in areas like economic crimes and anti- to other bodies, aiming to refocus the on and threats. These efforts sought depoliticization, mandate restriction, enhanced transparency, and greater public oversight, with organizations playing a role in advocacy. Under President , reform momentum continued with draft legislation in 2021 to eliminate the SBU's anti-corruption and departments, addressing inefficiencies and loopholes inherited from its KGB-era structure. However, implementation lagged, with no major overhaul by early 2020 despite high expectations. On July 28, 2025, Zelenskyy signed a new SBU increasing peacetime staffing from 27,000 to 37,000 personnel, authorizing and equipment akin to the Armed Forces for defense tasks, and restructuring for improved operational effectiveness amid ongoing aggression. Challenges have persisted due to bureaucratic , entrenched secrecy enabling schemes, and repeated failures of prior attempts amid political interference. The 2022 full-scale shifted priorities toward wartime operations, deprioritizing structural changes and complicating vetting and of personnel. The 2025 law's expansion of SBU capacities coincided with parliamentary passage of Bill No. 12414, which curtailed independence of anti-corruption agencies like the National Anti-Corruption Bureau (), sparking protests and criticism for potentially undermining rule-of-law gains by re-empowering security services over specialized investigators. International partners, including the and allies, have conditioned assistance on deeper reforms to prevent backsliding into politicized enforcement.

International Cooperation and Assistance

The Security Service of Ukraine (SBU) maintains cooperative relationships with intelligence agencies from member states and other Western partners, primarily focused on , , and countering Russian hybrid threats. These ties, which expanded significantly after the 2014 , emphasize intelligence sharing, joint training, and operational support to bolster Ukraine's defensive capabilities against Moscow's influence operations. The has been a primary partner, with the (CIA) providing extensive assistance to the since 2014, including the reconstruction of Ukraine's intelligence infrastructure and training for counterespionage operations. This collaboration enabled the to identify and neutralize agents within Ukraine, with joint efforts reportedly rooting out hundreds of spies by 2024. The also supported the establishment of 12 secret forward-operating bases near the border, facilitating real-time intelligence exchanges and preparation for cross-border activities. While U.S. officials credit this partnership with enhancing Ukraine's resilience against penetration, the has operated many missions independently to minimize risks of or traceability to American sources. The United Kingdom's has engaged in trilateral cooperation with the CIA and , particularly in areas like election interference prevention and operations targeting assets. This , proposed as early as 2014, has included assistance and shared assessments of activities in Europe. structures, such as the EU Advisory Mission (EUAM) Ukraine established in 2014, offer strategic advice and capacity-building for reforms, focusing on civilian security sector modernization, counterterrorism protocols, and protection of . NATO allies contribute through multilateral channels, including pre-invasion intelligence disclosures that warned of Russian military buildups and post-2022 training programs under initiatives like the Security Assistance and Training for Ukraine (NSATU). These efforts, involving over 700 personnel from Allied nations as of July 2024, extend to SBU-relevant domains such as cyber defense coordination via the Tallinn Mechanism, launched in December 2023 to align Ukraine's capabilities with Western standards. Despite these advancements, challenges persist, including coordination gaps and the need for sustained funding amid Ukraine's resource constraints.

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