CRITICAL ALERT: AKIRA RANSOMWARE SURGE TARGETS SONICWALL FIREWALLS

Summary from the TLDR InfoSec newsletter

Akira ransomware attacks targeting SonicWall SSL VPN connections have surged since July. Exploiting CVE-2024-40766 (CVSS 9.3) and unpatched SonicOS devices with disabled MFA, attackers rapidly escalate from VPN access to system encryption within hours, affecting hundreds of thousands of devices across multiple SonicWall generations. Organizations must immediately patch to the latest firmware, enable MFA on all VPN accounts, and restrict firewall management access to trusted IP ranges.