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 […]

The post PoisonSeed Threat Actor Registering New Domains in Attempt to Compromise Enterprise Credentials appeared first on Cyber Security News.