Threat actor
Harvester
Tracked by CyberSIXT since Apr 22, 2026 · last activity Apr 23, 2026
Coverage timeline
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Harvester Group Uses GoGra Backdoor via Outlook Graph APIsecurityaffairs.com · Apr 23, 2026
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Harvester Deploys Linux GoGra Backdoor Using Outlook for C2thehackernews.com · Apr 22, 2026