The Killnet hacktivist group is actively targeting the health sector with DDoS attacks, claiming to have successfully exfiltrated data from a number of hospitals within the last month, according to a Department of Health and Human Services Cybersecurity Coordination Center alert.

In the name of Russia's war in Ukraine, NoName057(16) abuses GitHub and Telegram in an ongoing campaign to disrupt NATO's critical infrastructure.

Multiple self-proclaimed hacktivist groups are conducting attacks in support of Russian interests.