Ukraine's Security Service (SBU) counterintelligence officers have detained two more members of a Russian Federal Security Service (FSB) agent network accused of coordinating Russian strikes on Dnipro.

President Vladimir Putin is increasingly relying on the Federal Security Service (FSB) to keep Russia's wartime elite in line, as growing unease over the war in Ukraine leads to fears that the agency is becoming uncontrollable.

Russia's Federal Security Service (FSB) has arrested a resident of Khabarovsk, located in the Asian part of Russia, on charges of collaborating with New Zealand's intelligence services.

Russia's Federal Security Service (FSB) announced it thwarted a large-scale drone attack targeting a strategic facility in a residential area of the Moscow region. The FSB blamed Ukrainian intelligence for the attempted attack, also implicating a rapper living in the U.S.

Russia's Federal Security Service (FSB) has initiated a disinformation campaign, reportedly using fabricated documents concerning the Volyn tragedy. The operation aims to destabilize the strategic partnership between Ukraine and Poland.

A Russian citizen, identified by authorities as an officer of the Federal Security Service (FSB), has been arrested in Moldova after allegedly attempting to gather intelligence on the Transnistrian region under the guise of visiting monasteries.

Russia's Federal Security Service (FSB) is reportedly planning to reduce the minimum passing scores on physical fitness tests for contract military service candidates and applicants to its educational institutions. This proposal was first reported by Verstka.

Russia's Federal Security Service (FSB) announced the detention of a foreigner in the Moscow region on suspicion of plotting to kill a serviceman within a Defense Ministry unit.

The Federal Security Service (FSB), the KGB's successor and the agency that trained Vladimir Putin, has expanded its influence over Russia's military and political decision-making.

Counterintelligence officers of the Security Service of Ukraine (SBU) have detained an agent of Russia's Federal Security Service (FSB) in the Dnipropetrovsk region, accused of directing attacks on Nikopol.

A record number of people in Estonia were detained last year for assisting Russian special services, with a Ukrainian military psychologist outlining the typical online recruitment methods used by the Federal Security Service (FSB).

Russia's Federal Security Service (FSB) announced on Thursday the arrest of a journalist, who previously worked for the US-funded Radio Free Europe (RFE), on suspicion of assisting Ukraine in preparing cyberattacks.

Russia's Federal Security Service (FSB) announced it had thwarted a plot to assassinate a senior law enforcement official. The alleged assassination attempt involved a bomb hidden in an electric scooter.

Moscow's Federal Security Service (FSB), police, and National Guard have been placed on heightened alert following intelligence about a potential sabotage attack from Ukraine.

The head of Russia's Federal Security Service (FSB) stated that over 2,500 'terrorists' have been killed in the North Caucasus since 2006, claiming the insurgent underground has been 'almost completely eliminated'.

Russian troops fighting in Ukraine have been advised to stop using Max — the Kremlin-backed “national messenger” app designed to replace Telegram — because it is not secure enough, the independent outlet Mediazona reports. The guidance comes as federal authorities have been throttling Telegram since summer 2025, triggering a backlash from pro-war commentators who say the app remains soldiers’ most reliable means of frontline communication. The Federal Security Service (FSB) has warned separat...

In the Rostov and Voronezh regions, as well as in annexed Crimea, Russia’s Federal Security Service (FSB) is dismantling the border zone that separates Russia from Russian-occupied Ukrainian territory. The independent Russian investigative outlet Agentstvo reported the move, citing the FSB’s orders.

The Security Service of Ukraine (SSU) and other defense units have reportedly used drones to strike two coast guard vessels operated by Russia's Federal Security Service (FSB) in occupied Crimea.

The FBI Director is reportedly planning a trip to Moscow and St. Petersburg on October 14 and 15, with the visit likely organized by Russia's Federal Security Service (FSB).

A Russian man, whom US prosecutors allege previously worked for Russia's Federal Security Service (FSB), has pleaded not guilty in Boston to charges of participating in a cyber espionage campaign.

Russia's Federal Security Service (FSB) claims to have detained two Russians in Crimea suspected of spying for Ukrainian intelligence, alleging they monitored train movements and potential sabotage targets.

Russia's Federal Security Service (FSB) arrested billionaire Ilia Traber in St. Petersburg, who is reportedly the leader of the Tambov criminal group and sought by Spanish justice.

Nikolai Patrushev, former director of the Federal Security Service (FSB) and current presidential aide, has controversially blamed rescue workers, led by Sergei Shoigu, for the deaths of hostages during the 2002 Dubrovka theater terrorist attack.

Officers from Russia's Federal Security Service (FSB) and the National Guard, supported by an armored vehicle, detained an Ingush resident in connection with a social media post.

Russia's Federal Security Service (FSB) announced that five terror attacks were prevented through cooperation with Uzbek authorities. This highlights ongoing intelligence sharing and counter-terrorism efforts between the two countries.

The Security Service of Ukraine (SSU) detained a Russian Federal Security Service (FSB) agent in Kyiv who was organizing arsons of military vehicles belonging to defense forces.

Russia's Federal Security Service (FSB) announced the detention of three individuals, including a Moldovan citizen, suspected of preparing a terrorist attack in Moscow targeting a high-ranking official.

Russia's Federal Security Service (FSB) has arrested Alexander Andreyev, a former reporter for Radio Liberty, in the country's Far East.

Russia's Federal Security Service (FSB), the successor to the KGB, is reportedly expanding its power and influence within Vladimir Putin's Russia.

Russia's Federal Security Service (FSB), police, and national guard in Moscow have been placed on higher alert following intelligence reports of a potential sabotage attack from Ukraine.

Counterintelligence officers of the Security Service of Ukraine (SBU) detained a Russian agent in Kropyvnytskyi who, on orders from Russia's Federal Security Service (FSB), was registering Starlink satellite terminals under other people's identities.

Russia's Federal Security Service (FSB) claims that Ukrainian forces are capable of accessing sensitive front-line data through the Telegram messaging application.

Bloomberg reports that Russia's political and economic elite are increasingly concerned about the growing influence of the Federal Security Service (FSB), as President Vladimir Putin reportedly relies on secret services to keep elites committed to the war.

A court in Klaipėda, Lithuania, has opened a case against Russian citizen Piotr Chagin, an alleged officer of Russia's Federal Security Service (FSB), who is being tried in absentia on charges of espionage for Russia.

Russia's Federal Security Service (FSB) claims that a drone attack on Moscow was orchestrated from Bratislava, Slovakia, with a Ukrainian rapper living in Slovakia allegedly at the center of the accusations.

Russia's Federal Security Service (FSB) announced it had thwarted terrorist attacks of 'unprecedented scale and severity,' which it claims Ukraine's intelligence services sought to organize, including a plot to assassinate a senior Defense Ministry officer.

Russia's Federal Security Service (FSB) and the Investigative Committee announced the detention of a 17-year-old in Dagestan on suspicion of planning attacks on schools and mass killings of students.

Russia's Federal Security Service (FSB) announced the detention of a man suspected of planning terrorist attacks targeting military personnel, volunteers, and infrastructure facilities in Adygea.

Ukraine’s counterintelligence service has apprehended a Russian Federal Security Service (FSB) agent in Kharkiv who was producing 12 kilograms of explosives intended for terrorist attacks.

Russia's Federal Security Service (FSB) and Investigative Committee have charged three Russian citizens for using Telegram channels to manipulate securities on the Moscow Exchange. The FSB stated it had disrupted their activities.

Russia's Federal Security Service (FSB) has announced the detention of a Chita resident on suspicion of treason. The suspect has been identified as a former freelance correspondent for RFE/RL's Russian service.

The Sverdlovsk branch of Russia's Federal Security Service (FSB) reportedly ran Telegram advertisements offering 'easy money' for acts of sabotage, which the agency later described as a 'social experiment.'

Military counterintelligence officers and investigators of the Security Service of Ukraine (SBU), with the assistance of the Commander-in-Chief of the Ukrainian Armed Forces, have exposed an agent of Russia's Federal Security Service (FSB).

Russian dictator Vladimir Putin has given the Federal Security Service (FSB) full authority to suppress any dissent ahead of the Russian State Duma elections scheduled for September 2026.

Russia's Federal Security Service (FSB) has announced a breakdown in talks with Telegram founder Pavel Durov, accusing the messaging platform of enabling terrorism and child exploitation.