Managing messaging in a hybrid war.Anti-Tehran hacktivism and Tehran-sponsored cyber ops. Rebranding as sanctions evasion. A threat to firmware. CISA warns of Confluence exploits.

Russia has summoned the heads of U.S. media outlets, warning them of "stringent measures" amid ongoing tensions. The U.S. military has confirmed conducting cyber operations in support of Ukraine. Google is advancing security across Central and Eastern Europe. The U.S. Justice Department is bracing for more Russian cyberattacks. Russia, backed by ransomware gangs, is actively targeting the U.S., according to the FBI director. An exiled Iran group has claimed responsibility for a hacking attack on Tehran. Microsoft Security has exposed POLONIUM activity and infrastructure targeting Israeli organizations. Russian-linked ransomware groups are changing tactics to evade crackdowns. Conti is targeting critical firmware. Atlassian has an unpatched critical Confluence flaw under attack. CISA has added one known exploited vulnerability to its catalog.