Pro-Russian Killnet DDoS group took responsibility for the cyber attack that shut down the EU parliament website after members passed a resolution designating Russia as a state sponsor of terrorism.
Ukraine warns of Russian plans for massive cyber attacks on Ukraine's critical infrastructure to slow down the counteroffensive and those of Kyiv's allies in retaliation for support.
Attack campaigns conducted against Ukrainian government agencies and businesses have been linked to an initial access broker that appears to be staffed with former members of the Conti ransomware gang.
Microsoft says Russia conducted a cyber espionage campaign against Ukraine's allies, mainly NATO members, to collect crucial information in parallel with the ground invasion.
NSA director of cybersecurity says ransom payments are more difficult to process due to lack of access to assorted banking options, and inability to purchase necessary technology to set up the infrastructure for new ransomware campaigns.
Nestlé says that the incident is not a cyber attack by Anonymous but an internal data leak, with the information being errantly published to the public-facing web for some weeks.
An open source project maintainer decided to protest the war in Ukraine by targeting computers with an IP address in Russia or Belarus with a malicious update in a controversial act of hacktivism.
The White House said that there is "no certainty" that there will be a cyber attack from Russia, but that the country is exploring options to target US critical infrastructure and that companies should harden cyber defenses.
Suspected state-sponsored hackers compromised at least 100 employees of at least 21 natural gas producers before staging a cyber attack on the eve of the Russian invasion.
A cyber attack that disrupted international satellite internet and TV provider Viasat is being investigated by a tandem of global intelligence services, with Russia as the lead suspect.