PoisonSeed Threat Actor Registering New Domains in Attempt to Compromise Enterprise Credentials
In recent months, cybersecurity researchers have observed a surge in malicious domain registrations linked to an emerging e-crime group known as PoisonSeed. First identified in April 2025, this actor has focused its efforts on impersonating legitimate cloud-based email platforms, most notably SendGrid, to harvest enterprise credentials. By embedding fake Cloudflare CAPTCHA interstitials and Ray ID […]
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