Analysis: Root Cause of Most Security Incidents Traced to Unpatched Firewalls

An analysis of more than two trillion IT events collected during 2025 by Barracuda Networks finds 90% of ransomware incidents exploited firewalls via unpatched software or a vulnerable account that enables cybercriminals to gain access to an IT environment. Merium Khalid, director of offensive security for the security operations center (SOC) at Barracuda Networks, said..

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