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#10 Dark Reading general August 11, 2026 at 21:16 UTC

Gunra Ransomware Gang Exploits Fortinet Flaws, Bypasses MFA

By Rob Wright

AI Summary

The Gunra ransomware-as-a-service operation is actively targeting critical infrastructure using leaked Conti source code while exploiting known Fortinet firewall and VPN appliance vulnerabilities to bypass MFA. The group's success against high-value targets using old, unpatched flaws reinforces the persistent risk of delayed patching in OT and critical infrastructure environments.

Relevance score: 77.0/100

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