India, Feb. 24 -- A new threat analysis shows that ransomware attacks exploit firewall vulnerabilities in the majority of observed incidents. According to findings released by Barracuda Networks, 90 percent of ransomware cases in 2025 involved firewalls compromised through unpatched software or vulnerable accounts.

The fastest recorded ransomware case progressed from breach to encryption in just three hours. The data is detailed in the Barracuda Managed XDR Global Threat Report, which draws on more than two trillion IT events collected during 2025, nearly 600,000 security alerts and over 300,000 protected endpoints, firewalls, servers and cloud assets.

The report examines how attackers identify entry points and how security gaps increas...