CISA urges Fortinet FortiGate users to mitigate FortiBleed infections

Intelligence Summary

CISA has warned Fortinet customers who run FortiGate appliances about ongoing malicious activity. The campaign, dubbed FortiBleed, targets large numbers of internet-facing devices. CISA indicates Russian-speaking threat actors are likely behind the effort. The agency reports tens of thousands of affected FortiGate systems are currently involved. Organizations should review exposure, check for compromise, and apply CISA/Fortinet mitigation guidance to reduce breach risk.

Recommended Action

Prioritize immediate review, validate exposure, and patch or mitigate affected systems.

Topics