Cyber retaliation by Ukraine’s HUR paralyzes Russian election servers — NV sources
Ukraine’s Main Intelligence Directorate hacks Russian tax and customs services
Massive cyberattack hits Poland's state registry system
Ukraine’s DDoS attack cripples Russia’s Gazprombank
Ukraine's military intelligence paralyzes operations of Russian banks in Crimea with DDoS attack
Widespread Russian outage takes down social networks and online services
Ukrainian Monobank survives massive cyber attack, service unaffected
Ukrainian intelligence cyberattack cripples telecom networks in Russian-occupied territories