Pro-Ukraine group claims it helped hack Russian drone air defense system, shooting down Su-57 in friendly fire incident. Moscow confirms fifth-generation fighter jet crashed in technical malfunction
Russia’s Aeroflot cancels flights after pro-Ukraine hackers claim cyber-attack | Airline industry
Attack claimed by pro-Ukraine hackers reportedly erases a third of Russian court case archive
Pro-Ukraine hackers breach Russian ISP in revenge for KyivStar attack
