Tag: FortigateSniffer

Malware

FortigateSniffer: Golang-Based Tool for Passive Credential Sniffing on FortiGate

FortigateSniffer is a Golang-based tool used in the FortiBleed campaign to passively intercept authentication traffic from compromised FortiGate firewalls. It leverages the…

credential sniffer FortigateSniffer FortiOS Golang

June 25, 2026

Attack Groups

FortiBleed: 110 Million Credentials Harvested via FortiGate Firewalls in Global Campaign

A Russian-speaking initial access broker (IAB) has been linked to a large-scale credential-harvesting operation dubbed FortiBleed, targeting over 430,000 FortiGate firewalls globally…

Active Directory Arctic Wolf brute force CloudSEK

June 25, 2026