Ukraine

Group has targeted organisations including governments and critical infrastructure providers for espionage purposes

Operation Endgame was 'the largest ever operation against botnets'

CopyCop aims to fuel discord and weaken support for Ukraine

Dubbed 'Portal Kombat'

Ukrainian security services investigating possible insider threat

Attack has affected air raid alert systems near Kyiv

International operation nabs gang of corporate ransomware hackers, but only one arrest is made

LittleDrifter has infected organisations worldwide

Civilian hackers raise the risk of civilian targets in armed conflicts

'IT managers must be careful,' say cyber defenders