Between February 22 and February 25, 2026, GreyNoise observed a significant wave of reconnaissance activity targeting SonicWall firewalls. A total of 84,142 scanning sessions were conducted, originating from over 4,000 unique IP addresses across 20 autonomous systems. The activity, which primarily focused on SSL VPN enumeration, underscores the growing risk of credential-based attacks, a tactic […] The post SonicWall Firewalls Under Siege From Over 4,000 Unique IP Addresses appeared first on Cyber Security News.