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The Security Service of Ukraine (SSU) has made significant strides in counterintelligence operations, uncovering multiple agents working for the Russian Federal Security Service (FSB). These agents have been involved in various activities, including organizing arson attacks on military vehicles, directing missile strikes on strategic locations, and planning terrorist attacks in key Ukrainian cities such as Kyiv, Odesa, and Kharkiv. The SSU has arrested numerous individuals linked to these operations, resulting in several convictions with prison sentences of up to 15 years. Efforts to mitigate FSB espionage and sabotage activities continue, as Ukraine reinforces its defenses against foreign intelligence intrusion. The ongoing conflict underscores the critical need for enhanced security measures and vigilant counterintelligence efforts to safeguard national security and maintain regional stability.

How many FSB agents have been detained by SSU recently?

The Security Service of Ukraine (SSU) has detained numerous FSB agents involved in illicit activities against Ukraine, leading to various arrests and ongoing prosecutions. These detentions reflect a strong response to espionage and sabotage actions executed by Russian operatives, highlighting the extensive counterintelligence efforts to contain such threats and enforce justice.

What kind of activities have FSB agents been involved in Ukraine?

FSB agents have engaged in a wide range of activities, including organizing arson attacks, adjusting missile strikes, planning terrorist acts, and providing intelligence to Russian forces. These operations aim to undermine Ukraine's security infrastructure and destabilize the region, prompting the SSU to intensify counterintelligence measures and secure key national assets.

What penalties do detained FSB agents face in Ukraine?

Detained FSB agents in Ukraine have faced severe penalties, often resulting in prison sentences up to 15 years along with property confiscation. These penalties are imposed to deter espionage and treason, illustrating Ukraine's firm stance on protecting national security from foreign interference and treacherous activities.

What measures has Ukraine taken against FSB espionage activities?

Ukraine has implemented robust counterintelligence operations conducted by the SSU to identify and neutralize FSB espionage networks. These measures include infiltrating agent networks, conducting arrests, and enforcing legal penalties, thereby enhancing national security and mitigating foreign threats effectively.

Has the SSU encountered any challenges in counteracting FSB operations?

The SSU has encountered several challenges, including the sophisticated and clandestine nature of FSB operations and the extensive networks established by Russian intelligence within Ukraine. However, with persistent efforts and strategic collaboration across security agencies, these challenges are being actively addressed to safeguard Ukrainian sovereignty.

What impact have FSB operations in Ukraine had on regional security?

FSB operations in Ukraine have significantly strained regional security, aiming to destabilize political and military stability through targeted attacks and espionage. However, assertive interventions by the SSU have mitigated these impacts, reinforcing local resilience and reinforcing regional peace and stability.

Are there any recent high-profile arrests related to FSB activities?

Yes, the SSU has made several high-profile arrests recently, detaining agents involved in high-stakes sabotage acts and intelligence operations. These actions have disrupted potential threats and highlighted the ongoing vigilance required to counteract such high-level espionage activities effectively.

What has been the international response to Ukraine's handling of FSB activities?

International response has generally been supportive, acknowledging Ukraine’s robust efforts in addressing the security threats posed by FSB espionage. Collaborative support and intelligence-sharing have increased among allied nations, bolstering Ukraine's position in curbing these adversarial activities effectively.

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FSB smugglers were planning terrorist attacks in Odesa — they were detained by the SSU SSU thwarted attempt to deliver drone loaded with explosives to Odesa for terrorist attack. PHOTOS Ukraine's security services have uncovered an FSB smuggling route through which an attack drone intended for terrorist attacks was being transported to Odesa. 2 278 8 Previously in trend: Recruited FSB agents

The SSU has detained another FSB spotter: what is known? SSU has detained another FSB spotter who directed Russian strikes on Kharkiv region. PHOTO The Security Service’s counter-intelligence unit has detained another FSB agent in the Kharkiv region. The perpetrator adjusted ruscist missile, bomb, and drone attacks on the frontline areas of the region. 1 372 9 Previously in trend: Detention of adjusters

SBU hits FSB headquarters and Pantsir-S1, Zelenskyy says SSU hit FSB headquarters and Pantsir-S1 on temporarily occupied territory: about 100 ruscists killed and wounded – Zelenskyy. VIDEO President Volodymyr Zelenskyy reported a successful strike by the SSU’s Alpha Special Operations Center on an FSB headquarters in occupied territory. 6 250 19 Previously in trend: Elimination of Russian occupying forces

FSB agent was exposed in a frontline SBU unit SSU has detained FSB agent in its own frontline unit: traitor faces life imprisonment. PHOTO The Security Service of Ukraine has reported the exposure of an FSB agent within one of the security service’s frontline units. 7 253 19 Previously in trend: Disclosure of collaborators

Strike on the FSB building in Znamenskoye A kamikaze drone struck the FSB office in Chechnya. VIDEO of explosion A video has been published online showing a successful attack by a Ukrainian drone on the FSB headquarters in the village of Znamenskoye, in the Chechen Republic. 8 313 32 Previously in trend: Striking Russia

Drones attacked a Russian FSB building in Crimea Drones have struck an FSB building in occupied Crimea, according to media reports In the temporarily occupied Crimea, drones attacked the building of the Russian FSB Border Guard Service in Armyansk. 2 536 3 Previously in trend: Explosions in Crimea

In Kyiv, the SSU exposed an FSB agent: he organised arson attacks on Ukrainian Armed Forces vehicles SSU has exposed FSB agent who organised arson attacks on military vehicles in Kyiv. PHOTO The Security Service has detained another FSB agent in Kyiv. Acting on orders from the Russians, he organised arson attacks on Defence Forces vehicles in the Ukrainian capital. 2 109 6 Previously in trend: burning military cars

Railway worker and traitor sentenced to 15 years for directing Russian missiles at Kharkiv Railway worker who adjusted shelling of Kharkiv region on FSB orders sentenced to 15 years in prison. PHOTO Based on evidence gathered by counterintelligence officers and investigators of the Security Service of Ukraine, an FSB agent exposed by the SBU in Kharkiv Oblast in August 2025 has been sentenced to 15 years in prison with confiscation of property. 868 3 Previously in trend: Conviction of adjusters

FSB agent exposed Russian agent exposed: prepared cache of weapons for contract killings in Odesa on behalf of FSB, - SSU. PHOTO The SBU has foiled a series of contract killings in Odesa. Following a series of comprehensive operations in the port city, an FSB agent has been detained; he had set up a cache there containing ammunition and firearms, which were intended to be used in high-profile assassinations. 2 391 1 Previously in trend: Recruited FSB agents

FSB hitman jailed for plot to kill official in Zaporizhzhia FSB hitman who tried to kill city council official in Zaporizhzhia region gets 15 years in prison. PHOTO Based on evidence gathered by the Security Service of Ukraine (SSU), an FSB agent who had been preparing to kill a city council official in the Zaporizhzhia region has been sentenced to 15 years in prison with confiscation of property. 1 421 6 Previously in trend: High treason

Ukrainian citizen sentenced to 15 years for treason Passed coordinates for strikes on Kyiv to Russia: woman sentenced to 15 years for treason A Ukrainian citizen has been sentenced to 15 years in prison for passing on the coordinates of military facilities in the capital to the enemy. 1 291 5 Previously in trend: High treason

FSB agent was planning to blow up Ukrainian Armed Forces vehicles in Khmelnytskyi SSU has detained FSB agent who was planning terrorist attacks against military in Khmelnytskyi. PHOTOS The Security Service of Ukraine has exposed and detained an FSB agent who was planning a series of terrorist attacks against Ukrainian military personnel in Khmelnytskyi. 3 973 7 Previously in trend: burning military cars Recruited FSB agents

The FSB misappropriated funds allocated for space projects FSB embezzled funds from space programs and used them for its own agencies, - intelligence Russian intelligence agencies are using state space projects to embezzle budget funds. 1 463 6

The SSU prevented sabotage in Kropyvnytskyi: an FSB agent has been detained SSU has detained FSB agent who was preparing to blow up power substation in Kropyvnytskyi. PHOTO Law enforcement officers have uncovered a man recruited by the FSB who was planning to plant explosives near an electrical substation in Kropyvnytskyi. 1 557 13 Previously in trend: Recruited FSB agents

The SSU and National Police have detained a further six Russian agents SSU and National Police have detained further six Russian agents involved in arson attacks in Ukraine. PHOTOS The Security Service and the National Police have detained a further six Russian agents who were responsible for arson attacks in various regions of Ukraine. 1 797 11 Previously in trend: Detention of arsonists

In Crimea, the FSB announced the arrest of a resident of Feodosia on charges of "espionage" Invaders have announced arrest o resident of occupied Feodosia for allegedly passing information to Ukrainian intelligence In the temporarily occupied Crimea, Russian security forces announced the arrest of a resident of Feodosia who is accused of allegedly passing on information about Russian military facilities. 622 1 Previously in trend: Reprisals in Russian-occupied Crimea

The SSU has detained two FSB spotters: details SSU has detained two FSB spotters who directed missile strikes on Dnipro and Kryvyi Rih. PHOTOS The Security Service’s counter-intelligence unit has detained two more FSB agents in the Dnipropetrovsk region. The suspects were directing ruscists' missile and drone attacks on Dnipro and Kryvyi Rih. 1 757 7 Previously in trend: Detention of adjusters

The Security Service of Ukraine detained an FSB agent who coordinated attacks on Kyiv SSU detained FSB agent who, under guise of fulfilling defence orders, coordinated attacks on Kyiv The Security Service detained another spotter who guided Russian shelling on Kyiv. He turned out to be a 59-year-old entrepreneur recruited by the FSB who was involved in the manufacture of armored glass for Defence Forces vehicles. 3 866 10 Previously in trend: High treason Detention of adjusters

Journalists have published the Russian general’s correspondence Correspondence of Russian General Demurchiev made public: "I have prisoner—should I liquidate him or give him to you?". PHOTOS Journalists from the "Schemes" project (Radio Liberty) obtained a large collection of correspondence and voice messages from Russian Major General Roman Demurchiev, deputy commander of the 20th Combined Arms Army of the Russian Armed Forces, which operates in the Lyman direction, among other places. 20 110 14 Previously in trend: War crimes of Russia

The SSU and the National Police have neutralised an FSB agent network SSU and the National Police have neutralised FSB agent network that was preparing new terrorist attacks in Kyiv and Zhytomyr. PHOTOS The Security Service and National Police prevented new attempts by the FSB to carry out a series of terrorist attacks in northern Ukraine. 3 864 14 Previously in trend: countering terrorist attacks

FSB agent sentenced to 15 years in prison: what is known FSB agent who set up video traps to direct strikes on Zaporizhzhia was sentenced to 15 years in prison Based on evidence gathered by counterintelligence, the Main Directorate of Internal Security of the Security Service of Ukraine, and investigators from the State Bureau of Investigations, an FSB agent who was detained in Zaporizhia in October 2023 was sentenced to 15 years in prison with... 847 1 Previously in trend: High treason Conviction of adjusters

Ex-NSDC official Sivkovych to face trial in absentia as alleged FSB agent Case against ex-NSDC deputy secretary Sivkovych, who worked for FSB and fled to Moscow, sent to court Law enforcement agencies have completed an investigation into a former senior official, an ex-deputy secretary of the National Security and Defense Council (NSDC) and former vice prime minister of Ukraine, whom investigators consider a top FSB agent; the indictment has been sent to court for a... 1 526 31 Previously in trend: High treason

Russia plans to grant the FSB the right to shut down the internet and communications Russia tightens FSB control over communications, - British intelligence Russia plans to grant the Federal Security Service (FSB) broad powers over the country's communications networks. 1 468 3 Previously in trend: RF strengthen control over information

The SBU exposed a Russian agent who was preparing new attacks by the Russians SSU exposes Russian agent who was preparing new ruscists’ attacks on Kryvyi Rih’s energy sector. PHOTO The Security Service of Ukraine (SSU) has detained another FSB agent in the Dnipropetrovsk region. He was adjusting ruscists’ missile and drone attacks on the energy infrastructure of Kryvyi Rih. 3 469 10 Previously in trend: Detention of adjusters

Security Service detains another FSB agent in Khmelnytskyi region SSU exposed FSB agent who guided Russian missiles toward Khmelnytskyi region. PHOTO The Security Service has detained another agent of Russia’s FSB in the Khmelnytskyi region. He turned out to be a 53-year-old local resident recruited by the enemy, who was adjusting Russian missile-and-drone attacks on Ukraine’s western region. 1 967 10 Previously in trend: High treason Detention of adjusters

FSB agent who was preparing an explosion at a Ukrzaliznytsia station exposed Minor FSB agent who was preparing explosion at Ukrzaliznytsia station in Khmelnytskyi region exposed. PHOTOS The Security Service's counterintelligence prevented another Russian sabotage attack on Ukraine's transport infrastructure. 4 565 17 Previously in trend: High treason

The SSU and National Police detained FSB agents SSU and National Police detained FSB agents who carried out arson attacks in Kropyvnytskyi and Chernivtsi. PHOTOS The Security Service's counterintelligence and the National Police have detained three more FSB agents who, on behalf of the enemy, committed arson in various regions of Ukraine. 1 411 4 Previously in trend: Russia’s recruitment of Ukrainians for sabotage

An agent who directed enemy ballistics at Kyiv’s thermal power plants has been detained Agent who directed enemy ballistics at Kyiv’s thermal power plants and spied on Defence Forces has been detained. PHOTOS The Security Service's counterintelligence unit detained another FSB agent who coordinated air strikes on Kyiv's energy infrastructure and spied on the movements of the Defence Forces. 7 858 54 Previously in trend: High treason

Two FSB agents who committed arson attacks have been detained Two FSB agents who committed arson in northern regions of Ukraine have been detained. PHOTOS The Security Service's counterintelligence and the National Police detained two more Russian agents who, on behalf of the FSB, were involved in setting fire to Defence Forces vehicles and mobile communication facilities in Ukraine. 1 395 14 Previously in trend: burning military cars Recruited FSB agents

Ruscists detained a teenager in occupied Mariupol: what is known? Russians detain teenager in occupied Mariupol: charged with "high treason," - Russian media. VIDEO Russian invaders detained a teenager in the temporarily occupied Mariupol. According to the Russians, he was allegedly collecting data on the location of Russian military units for Ukrainian intelligence. 5 367 4 Previously in trend: Occupied territories - Crimea and Donbas

Security Service counterintelligence prevented a new terrorist attack in Chernihiv SSU prevented murder of Ukrainian soldier whom Russians tried to blow up. PHOTOS The Security Service's counterintelligence prevented a new terrorist attack in Chernihiv. 3 052 9 Previously in trend: High treason

FSB building burned down in Chechnya after UAV attack FSB building burned down as result of night UAV attack in Chechnya, - Russian media. PHOTO As a result of a UAV attack on the Chechen Republic of the Russian Federation, an FSB building burned down at night. 5 027 5 Previously in trend: Drone attack on Russian regions

The Security Service’s counterintelligence detained another FSB agent in Kharkiv FSB agent who worked for enemy detained after his mother had been arrested for preparing terrorist attack. PHOTOS The Security Service's counterintelligence unit detained another FSB agent in Kharkiv. 3 388 5 Previously in trend: High treason

In Zaporizhzhia, an FSB agent received 15 years in prison for inciting violence FSB agent who directed Russian strikes on fuel depots in Zaporizhzhia was sentenced to 15 years in prison Based on evidence gathered by the Security Service, another FSB agent who spied for the enemy in Zaporizhzhia was sentenced to 15 years in prison with confiscation of property. 561 2 Previously in trend: High treason

In Donetsk region, the SBU detained another FSB agent SSU detained another FSB agent who adjusted Russian strikes on Kramatorsk. PHOTO The Security Service's counterintelligence unit detained another Russian agent in the Donetsk region. On behalf of the FSB, he adjusted Russian air and artillery strikes on Kramatorsk. 1 821 8 Previously in trend: High treason

The SSU prevented an FSB terrorist attack in Kharkiv, the agent was detained SSU prevents terrorist attack in Kharkiv - local FSB agent detained. PHOTO The SSU counterintelligence service foiled another attempt by ruscists to carry out a new terrorist attack in Kharkiv. 3 047 6 Previously in trend: High treason

Detention of FSB agent FSB agent detained who was supposed to set fire to building of Institute of National Memory in centre of Kyiv. PHOTOS TheSecurity Service of Ukraine jointly with the National Police detained a traitor who committed a car arson in Vinnytsia and planned another one in the government building in Kyiv. 1 998 8 Previously in trend: High treason Detention of arsonists

SSU exposes FSB agent who was tipping off Russian KABs FSB agent who adjusted KAB strikes on Kharkiv’s defense lines was sentenced to 15 years in prison Based on the SSU's evidence, another member of the FSB agent network, which the SSU neutralized in September 2024, was sentenced to 15 years in prison with confiscation of property. 799 2 Previously in trend: Sentences for high treason

Elite units of the FSB and Russian Marine Corps are being deployed in Mariupol Elite units of FSB special forces and Russian Marine Corps are being transferred to Mariupol - Andriushchenko. PHOTO In the temporarily occupied Mariupol, the arrival of elite units of the FSB special forces and marines from the annexed Crimea is recorded. 4 173 8 Previously in trend: Occupation of Mariupol

Bohdan (Tavr) Krotevych SSU warned me about possible attempt by Russian special services - Krotevych Former Chief of Staff of the 12th Special Forces Brigade "Azov" Bohdan (Tavr) Krotevych stated that the Security Service of Ukraine warned him about a possible preparation of an assassination attempt by Russian special services. 3 004 12 Previously in trend: Recruited FSB agents

The SBU detained a traitor who guided Russian drones to cut off power to Kyiv SSU exposed FSB "mole" in Ukrainian energy company who directed Russian drones to cut off power to Kyiv. VIDEO+PHOTOS The SSU exposed an FSB mole in one of Ukraine's leading energy companies. As a result of complex measures, the SSU detained an IT specialist of the company in Kyiv region who directed Russian attacks on the critical infrastructure of the capital region. 6 978 19 Previously in trend: High treason

The SSU exposed FSB agents in Donetsk and Dnipropetrovsk regions Collecting data on defence in Donetsk and Dnipropetrovsk regions: four FSB agents detained - SSU. PHOTOS The Security Service of Ukraine's counterintelligence service has exposed an FSB agent network operating in the Donetsk and Dnipro regions. 1 269 2 Previously in trend: Recruited FSB agents

The FSB actively uses the families of prisoners for PSYOPs Russians use relatives of captured and missing soldiers to gather intelligence and carry out special tasks Russian special services are actively hunting down the families of captured and missing Ukrainian military personnel. 898 2 Previously in trend: Detention conditions of POWs Ukrainians in Russian captivity

FSB agent sentenced to 15 years for adjusting strikes on Ukrainian Defense Forces headquarters Russian FSB agent who directed airstrikes on Defense Forces headquarters sentenced to 15 years in prison – SSU A member of the FSB spy network that the Security Service of Ukraine (SSU) neutralized in summer 2024 in northern and eastern Ukraine has been sentenced to 15 years in prison with confiscation of property. 966 2 Previously in trend: Sentences for high treason Recruited FSB agents

The SSU detained three FSB agents who were spying on the positions of the Armed Forces of Ukraine in Donetsk region Three FSB agents detained for spying on Armed Forces positions in Donetsk region - SSU. PHOTOS The Security Service of Ukraine neutralised another FSB agent network in the Donetsk region. 1 393 3 Previously in trend: Recruited FSB agents

Sivkovych Traitor Sivkovych was paid $80,000 a month for his activities against Ukraine – secret SSU agent. VIDEO Former Deputy Secretary of the National Security and Defense Council under Yanukovych, Volodymyr Sivkovych, who works for the FSB, received a monthly salary of $80,000 from Russian intelligence services. 7 296 29 Previously in trend: SSU agent inside Sivkovych’s office

SSU agent in Crimea allegedly detained by Russian FSB Russia’s FSB reports detention of SSU agent who "made bomb to commit terrorist attack" in Crimea In the temporarily occupied Crimea, an alleged agent of the Ukrainian special services was detained, who, on the instructions of the SSU, assembled a bomb and placed it in a cache in Sevastopol to "commit a terrorist attack". 3 680 22 Previously in trend: Attempted terrorist attack Attacks on Crimea Explosions in Crimea

Teenagers reported FSB recruitment to SSU. They were awarded Teenagers reported attempt to recruit them by FSB employees: they were awarded, - SSU. PHOTOS Two teenagers from Kryvyi Rih who refused to work for the FSB and informed law enforcement officers about an attempted recruitment by the Russian special services were awarded. 8 005 32 Previously in trend: Recruitment of Ukrainian teenagers by Russia FSB recruits Ukrainian teenagers