A long-term Polish Ministry of Defence employee was arrested on suspicion of spying for Russia at the Ministry in Warsaw on February 3, 2026.

On February 3, 2026, a mid-level employee at the Polish Ministry of Defence was arrested on suspicion of espionage, accused of collaborating with a foreign intelligence service, reportedly Russia. The arrest occurred shortly after 08:00 local time at the employee's workplace by Poland's military counterintelligence service. The detained individual is currently being interrogated, and further arrests are possible according to Ministry sources. Poland, acting as a key hub for Western military aid to neighboring Ukraine, considers itself a prime target for Russian espionage, sabotage, and cyberattacks. Russian officials have denied such accusations in the past. No official statement was available from the Russian Embassy in Warsaw at the time of reporting.