The threat actors used a Golang-based sniffer to target 430,000 FortiGate firewalls and identify 110 million credentials in the ongoing global campaign.

Fortinet says the FortiBleed credential-harvesting campaign relies on logins from previous incidents, not on new vulnerabilities.

Security firm SOCRadar says the large-scale FortiBleed campaign targeting Fortinet FortiGate devices used custom sniffers to harvest authentication secrets from compromised…