SonicWall firewalls targeted in ransomware attacks, possibly via zero-day

Attackers wielding the Akira ransomware and possibly a zero-day exploit have been spotted targeting SonicWall firewalls since July 15, 2025. “In the intrusions reviewed, multiple pre-ransomware intrusions were observed within a short period of time, each involving VPN access through SonicWall SSL VPNs,” Arctic Wolf researchers have warned. Though they haven’t yet ruled out the possibility of the attackers achieving initial access to the devices through brute force, dictionary attacks and credential stuffing, there is … More

The post SonicWall firewalls targeted in ransomware attacks, possibly via zero-day appeared first on Help Net Security.

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