FortiBleed: 110M Credentials Stolen from FortiGate Firewalls

🔴 Critical | Source: The Hacker News A financially motivated Russian-speaking threat actor has been running a large-scale attack campaign dubbed FortiBleed since February 2026, targeting over 430,000 FortiGate firewalls worldwide and harvesting more than 110 million credentials. The operation combines scanning for exposed services, brute-force attacks, and custom tooling to gain initial access at scale. The sheer volume of compromised credentials and affected devices makes this a significant supply-chain risk for any organisation relying on Fortinet perimeter security. ...

23 June 2026 · ZX Cloud Security

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