TAG-150 Hackers Deploying Self-Developed Malware Families to Attack Organizations

A sophisticated new threat actor designated TAG-150 has emerged as a significant cybersecurity concern, demonstrating rapid development capabilities and technical sophistication in deploying multiple self-developed malware families since March 2025. The group has successfully created and deployed CastleLoader, CastleBot, and their latest creation, CastleRAT, a previously undocumented remote access trojan that represents a concerning evolution […]

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