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The trend of high treason has gained recent attention as the Security Service of Ukraine (SSU) consistently uncovers Russian agents within the Ukrainian ranks. Notable incidents include the exposure of a "mole" in the Defence Forces, who was aiding Russian attacks on ammunition depots and drones. Similarly, the SSU thwarted a terrorist act in Chernihiv aimed at a Ukrainian soldier. Furthermore, agents responsible for directing strikes on Kramatorsk and Zaporizhzhia's fuel depots have been apprehended. Each of these acts of betrayal is meticulously investigated, reflecting a coordinated effort by the SSU and the Defence Intelligence of Ukraine to uphold national security and integrity. This series of events highlights the constant vigilance required to counter espionage efforts targeting Ukraine.

What are the recent cases of high treason in Ukraine?

Recent high treason cases in Ukraine involve Russian Federal Security Service (FSB) agents exposed within the Ukrainian Defence Forces. The SSU has reported multiple incidents, such as agents adjusting Russian strikes on key locations like Kramatorsk and Zaporizhzhia, and preventing a planned attack in Chernihiv. These operations reveal a persistent threat posed by espionage, necessitating ongoing counterintelligence efforts.

How has the SSU responded to high treason activities?

The Security Service of Ukraine (SSU) has responded proactively to high treason activities by exposing and detaining several Russian agents working within Ukraine. In recent months, they have thwarted various plots, including preventing attacks on strategic sites such as ammunition depots and infrastructure within Kramatorsk and Zaporizhzhia. The SSU's actions demonstrate a strong commitment to national security by curbing espionage efforts.

Who are the key perpetrators in these high treason cases?

The key perpetrators in recent high treason cases include Russian FSB agents embedded within the Ukrainian social and military structures. Notable figures involve individuals facilitating intelligence operations for Russian forces, such as adjusting strike coordinates and planning sabotage. These agents are often concealed within civilian and military roles, targeting Ukrainian infrastructures and personnel.

What impact do these espionage activities have on Ukraine?

Espionage activities significantly impact Ukraine's security environment, undermining its military and infrastructure integrity. By embedding agents within critical sectors, Russia attempts to disrupt Ukraine's defense capabilities, weaken national morale, and instigate political instability. Continuous discoveries of such activities emphasize Ukraine's vulnerabilities, prompting intensified counterespionage measures from the SSU and allied agencies.

What measures are being taken to address espionage threats in Ukraine?

To address espionage threats, Ukraine has ramped up counterintelligence operations spearheaded by the SSU, targeting FSB agents and collaborators. Measures include diligent surveillance, strategic investigations, and collaboration with international intelligence bodies. These efforts endeavor to dismantle espionage networks systematically, safeguard military operations, and enhance the resilience of national defenses against espionage activities.

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w117_header_alt High treason

Collaborator Oleksandr Kobets received a life sentence Collaborator Oleksandr Kobets, former head of the occupation administration in Kherson, received life sentence Based on evidence gathered by counterintelligence and Security Service investigators, collaborator Oleksandr Kobets, former head of the occupation administration in Kherson, was sentenced to life imprisonment with confiscation of property. 8 417 10 Previously in trend: High treason

The SSU exposed a Ukrainian Armed Forces official who was working for the enemy SSU exposed "mole" in Defence Forces: he adjusted Russian strikes on ammunition depots and drones. PHOTOS Another Russian FSB agent has been exposed in the ranks of the Defence Forces.  6 052 24 Previously in trend: High treason

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. 2 941 9 Previously in trend: High treason

The SSU exposed a woman who adjusted enemy strikes on Kramatorsk SSU exposed Russian agent who adjusted enemy strikes on Kramatorsk in Donetsk region. PHOTO The Security Service's counterintelligence detained another Russian agent in the Donetsk region– a 35-year-old saleswoman at a military store in Kramatorsk who adjusted enemy attacks on the city. 3 154 9 Previously in trend: High treason

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. 3 225 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. 442 2 Previously in trend: High treason

The SSU prevented a militant from fleeing to the European Union SSU detained "DPR" militant who had been fighting for "Somalia" and tried to flee to EU. PHOTOS The Security Service's counterintelligence prevented the escape from Ukraine of a militant from Russian armed groups who had been fighting in Donetsk Oblast. 4 482 16 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. 1 735 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. 2 889 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. 1 906 8 Previously in trend: High treason Detention of arsonists

DIU helped expose 22 torturers from a colony in Donetsk Oblast In cooperation with DIU, 22 war criminals have been identified — executioners from colony in Donetsk region have been charged. PHOTO Investigators of the National Police of Ukraine, together with specialists from the Defence Intelligence of Ukraine, have documented war crimes committed by the Russian occupiers and their accomplices in the Kalinin Correctional Colony in the temporarily occupied territory of the Donetsk region. 1 436 1 Previously in trend: High treason

A long-distance truck driver coordinated Russian strikes. He was detained by the SBU SSU detained long-distance truck driver who worked for FSB and adjusted Russian strikes. PHOTOS An FSB agent has been detained who was adjusting Russian strikes on Ukraine under the guise of an international freight driver. 5 091 10 Previously in trend: High treason Detention of adjusters

The State Bureau of Investigation has exposed 2,700 traitors and collaborators State Bureau of Investigation is investigating 2,780 cases against traitors and collaborators — 1,300 indictments are already in court. INFOGRAPHICS The State Bureau of Investigation systematically exposes people who have betrayed Ukraine or are collaborating with the enemy. 269 2 Previously in trend: High treason Detention of Russian accomplices Elimination of collaborators and traitors

Another Russian military intelligence agent detained in Donetsk region SSU detained Russian GRU spotter who directed enemy strikes on hospitals in Sloviansk. PHOTO The SSU detained another Russian military intelligence agent in Donetsk region. The offender was preparing coordinates for Russian air attacks in the Kramatorsk direction. 5 088 19 Previously in trend: High treason

The SSU detained a Russian agent who tried to infiltrate a defence plant SSU exposed agents’ couple "hunting" for secret developments in Ukrainian defence industry. PHOTOS The SSU CI in cooperation with the Minister of Defence of Ukraine prevented Russian infiltration of one of the leading defence plants in the south of Ukraine. 4 401 6 Previously in trend: High treason

The SSU detained agents of Russian military intelligence SSU detained two more agents of Russian GRU who helped enemy shell Kramatorsk and Sloviansk. PHOTOS The SSU CI detained two more Russian military intelligence agents who were adjusting the occupiers' combined attacks in the Donetsk region. 1 827 6 Previously in trend: High treason

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. 6 860 19 Previously in trend: High treason

They were transferring SIM cards for Russian drones. The SSU detained the men Ukrainian SIM cards for drones were being transferred to Russia: In Kyiv region, SSU detained two men, including former law enforcement officer. PHOTOS Two Russian agents were detained in the Kyiv region who were transporting Ukrainian SIM cards for enemy drones to Russia on behalf of the FSB. 3 137 29 Previously in trend: High treason spying in favor of Russia

MP from the Opposition Platform — For Life party wanted for treason detained People’s Deputy from Opposition Platform - For Life party, Khrystenko, suspected of high treason, detained and arrested - SSU. PHOTO The Security Service of Ukraine and the Office of the Prosecutor General detained a People's Deputy of the IX convocation from the banned political party OPFL, who was wanted on suspicion of treason. 11 880 48 Previously in trend: High treason

The SSU detained an FSB agent in Chernihiv FSB agent directing strikes on enlistment offices detained in Chernihiv - SSU. PHOTOS The Security Service of Ukraine exposed a local resident in Chernihiv who worked for the FSB and was preparing new Russian air attacks on military targets in northern Ukraine. 2 972 9 Previously in trend: High treason Recruited FSB agents

The traitor was sentenced to 14 years in prison. He helped occupiers create "prison" in Kherson: traitor sentenced to 14 years – SBI. PHOTOS The Kherson City Court found the former deputy head of a department at the state institution "Northern Penal Colony No. 90" guilty of collaborationist activities and sentenced him to 14 years in prison. 1 219 3 Previously in trend: High treason Disclosure of collaborators

captured traitor from Dobropillia Simonov Miner from Dobropillia is fighting in Russian 83rd Airborne Brigade, which committed atrocities in Bucha. VIDEO Simonov Volodymyr Volodymyrovych, born 12.03.1981, was born, grew up and worked in the city of Dobropillia in Donetsk Oblast, Ukraine. In 2014, after the outbreak of Russian aggression, he gathered his family and fled to Russia, settling in Tula. 10 years later, in March 2025, Simonov finally chose his side: he signed a contract with the Russian Ministry of Defence and returned to Ukraine as part of the occupier's army. 9 510 26 Previously in trend: High treason

SSU detains mole in the Ukrainian Air Force FSB "mole" in Air Force in Lviv region detained, - SSU. VIDEO&PHOTOS An Air Force major who worked for Russia was detained in Lviv region. The occupiers wanted to get the coordinates of the aviation infrastructure of the Armed Forces of Ukraine. 6 256 18 Previously in trend: High treason

Serviceman wanted to direct Russian missiles at the Neptune complex Preparing Russian attack on "Neptune" complexes: SSU detains military "mole". PHOTO A Russian agent who was spying for Russia in the Ukrainian Defence Forces was detained. 7 372 36 Previously in trend: High treason

The military corrected the Russian strikes. Details from the SSU Military "mole" who carried out Russian strikes on Defense Forces exposed - SSU Another serviceman who worked for Russian special services has been exposed in the ranks of the Defense Forces. 3 680 10 Previously in trend: High treason

State traitors are in prisons. What is the attitude towards them Traitors are held together with other prisoners, convicts have very negative attitude to them - Ministry of Justice State traitors and collaborators are held in prisons under normal conditions. 6 371 16 Previously in trend: High treason

Salamatin, Lebedev and Yezhel suspected of high treason They sold dozens of planes and air defence systems: three defence ministers of Yanukovych’s era suspected of high treason Three former Ukrainian defence ministers of the Yanukovych era have been served with a notice of suspicion of high treason. 8 089 69 Previously in trend: High treason

Military institute cadet worked for Russian Federal Security Service Military institute cadet wanted to adjust strike on his own university - SSU. PHOTOS A cadet of a leading military institute was detained after being caught collaborating with the Russian FSB. 11 295 71 Previously in trend: High treason Detention of adjusters

Sivkovych High treason and espionage: ex-NSDC Deputy Secretary Sivkovych and three FSB officers to be tried - Prosecutor General’s Office Prosecutors from the Prosecutor General's Office have sent an indictment to court against former Deputy Secretary of the National Security and Defence Council of Ukraine Volodymyr Sivkovych and three Russian Federal Security Service officers. 2 718 19 Previously in trend: High treason

SSU detained GRU agent who had spied on Ukrainian airfields Prepared strikes on AFU airfields in western Ukraine: GRU agent detained, - SSU. PHOTOS SSU CI jointly with the National Police detained an agent of the Russian military intelligence (GRU), who was operating in Khmelnytskyi region. 7 693 21 Previously in trend: High treason Detention of adjusters spying in favor of Russia

FSB agent in Kharkiv to be tried He killed military man, planned assassination attempt on head of RMA and set fire to car: FSB agent to be tried in Kharkiv - Prosecutor General’s Office. PHOTOS Law enforcers in Kharkiv region completed a pre-trial investigation against a native of Yevpatoria, who after 2015 lived in Belgorod, Russia, and was recruited by the Russian FSB to perform tasks in Ukraine. 3 421 14 Previously in trend: High treason Recruited FSB agents