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FortiBleed Campaign Compromises 75,000+ Fortinet Devices Globally

ID: 6f075c2c-63e0-5704-9abe-1748592ebc7c

STIX ID: report--6f075c2c-63e0-5704-9abe-1748592ebc7c

Feed Name: ThreatCluster

Threat Score
75/100

Date Published: 2026-06-17

Date Updated: 2026-06-18

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FortiBleed is an ongoing credential-harvesting campaign that has compromised over 75,000 Fortinet devices across 194 countries by leveraging previously leaked credentials and automated testing (reported >1.16 billion login attempts). The exposed dataset contains verified usernames and passwords affecting major corporations, government agencies, and critical sectors such as telecommunications and healthcare, prompting immediate recommendations for password changes and stronger access controls.

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