Cyber sabotage and cyberespionage. Updates on Russia’s hybrid war against Ukraine. REvil seems to have returned.

Cable sabotage in France remains under investigation. Spearphishing by Cozy Bear. Widespread and damaging Russian cyberattacks have yet to appear, but criminals find a new field of activity. Hacktivism and privateering. The legal and prudential limits to hacktivism. Applying lessons learned from an earlier cyberwar. Romanian authorities say last week’s DDoS incident was retaliation for Bucharest’s support of Kyiv. Rick Howard is dropping some SBOMS. Carole Theriault reports on virtual kidnappings. REvil seems to be back after all.