"This is part of the hybrid war that Russia is waging against democratic countries and the values we share. It is documented that Russia orchestrated over 100 attempts at sabotage around Europe in the past year," Czech Interior Minister Vit Rakusan said on April 3.
The youngest executors of Russian orders, whom the SBU exposed for setting fire to Ukrainian Railways' railroad switchboards, were 13-year-old teenagers.
Russian ice hockey player Maxim Sergeyev was convicted by a Polish court on Dec. 16 on charges of espionage and sentenced to nearly three years in prison.
According to the report, the officer, the commander of a unit in Special Operations Forces, had been transmitting critical military intelligence to Russian troops.
The Security Service of Ukraine (SBU) detained a suspected spy in Kharkiv who was passing information on Patriot air defenses in the city to Russia, the SBU said on Aug. 27.
The Security Service of Ukraine (SBU) said on Aug. 14 it had uncovered a Russian intelligence network that included two former bodyguards of ex-President Viktor Yanukovych and an active member of Ukraine's National Guard.
According to a British military handbook, Russian intelligence has shown particular interest in Operation Interflex, the U.K.-led program providing training to some 34,000 Ukrainian recruits.
"What we're particularly concerned about is a handful of states who are engaged in spying activities on sovereign soil with malign intent," said Michael McElgunn, assistant commissioner of Ireland's national police force.
Editor’s Note: Kyiv Independent News Editor Nate Ostiller briefly attended a summer program at the same Estonian university where the main character of this report was a professor and received a passing grade in a one-week summer school course. A university professor is not the first profession that comes
Australian police arrested two Russian-born Australian citizens suspected of obtaining the country's military material to share it with Russian authorities, the Australian Broadcasting Corporation (ABC) reported on July 12.
Three men were arrested in Germany on suspicion of cooperating with a foreign secret service, the German Federal Prosecutor's Office reported on June 21.
Russia is "working hard" to counter the expulsion of diplomats from Germany by turning to blackmail and the lure of big payouts to recruit spies, Berlin officials said on June 18.
A Russian woman was arrested in Denmark and charged with helping a foreign intelligence service operate in the country, the Danish national broadcaster DR reported on June 11, citing the Danish Police Intelligence Service (PET).
Polish authorities are increasing security at the main transit hub for foreign military aid to Ukraine amidst increased threats of Russian-backed sabotage, Bloomberg reported on May 23.
The Russian Foreign Ministry has declared Adrian Coghill, the military attaché of the British Embassy in Moscow, persona non grata and ordered him to leave the country within a week.
The U.K. is to expel a Russian defense attache, saying they are an "undeclared military intelligence officer," British Home Secretary James Cleverly said on May 8.
Twenty-year-old Dylan Earl has been charged with planning an attack against London businesses connected to Ukraine after being recruited to spy for Russia.
The District Court in the Polish city of Gdansk sentenced a Russian citizen accused of espionage on behalf of Russia to two and a half years in prison, local media reported.
Moscow attempted to undermine the democratic political process in Austria using a Russian spy and a political party he was associated with, the country's Chancellor said on April 18.
The Security Service of Ukraine (SBU) detained a former member of the defunct pro-Russian Party of Regions whom Russia allegedly recruited for espionage and aiding strikes, the SBU's press service reported on April 8.
Poland is investigating a Russian propaganda network linked to Russian intelligence after Czechia uncovered the operations of a pro-Kremlin network that spread anti-Ukraine and anti-EU disinformation, the Polish Internal Security Agency (ABW) announced on March 28.
Latvia's State Security Service (VDD) began investigating Tatjana Zdanoka, a Latvian member of the European Parliament accused of spying for Russia, the Latvian news outlet Delfi reported on March 16.
Russia's Federal Security Service (FSB) has been using a Serbian national named Novica Antic to infiltrate EU institutions and spread pro-Kremlin views, Politico reported on March 5, citing Western intelligence briefs they had reviewed.
Officials say that Putin's decision to leave Russia's borders open following the February invasion allowed FSB spies to join the thousands of Russians who fled the country to avoid mobilization.
Tihomir Ivanov Ivanchev, 37, is the latest in a group of Bulgarian citizens suspected of espionage for Russia in the U.K.
The Security Service of Ukraine (SBU) detained a Kharkiv resident who was allegedly aiding Russian attacks on the city’s civilian infrastructure, including a Jan. 23 strike that injured nine people, the SBU's press service reported on Feb. 21.
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