FortiBleed Attack Hit 430,000+ FortiGate Firewalls, Stealing 110M+ Credentials

A large-scale, ongoing credential-harvesting campaign dubbed “FortiBleed” has silently compromised more than 430,000 FortiGate firewalls globally, siphoning over 110 million credentials directly from live network traffic since at least February 2026. The campaign came to light after security researcher Volodymyr “Bob” Diachenko...

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