Microsoft researchers say that Russian cyber attacks in March against a television broadcaster and a nuclear plant directly preceded military action directed at those targets.
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.
Ukraine's major internet provider Triolan suffered two severe cyber attacks disrupting internet services in what it described as the "vile strategy of the enemy."
A considerable chunk of the Conti ransomware gang's internal communications is now available due to a data leak, and may threaten the future of the group.
The present incarnation of the hacker collective opened up its cyber war against Russia by temporarily taking down a number of government websites, including those of the Kremlin and the Defense Ministry.
The recent cyber attacks on Ukraine appeared to use distributed denial of service (DDoS) techniques to take several government websites offline for several hours.