Blind Eagle Uses Proton66 Hosting for Phishing, RAT Deployment on Colombian Banks

The threat actor known as Blind Eagle has been attributed with high confidence to the use of the Russian bulletproof hosting service Proton66. Trustwave SpiderLabs, in a report published last week, said it was able to make this connection by pivoting from Proton66-linked digital assets, leading t...

Russian Host Proton66 Tied to SuperBlack and WeaXor Ransomware

Threat actors are exploiting bulletproof hosting service Proton66 for malicious activities, including campaigns from SuperBlack ransomware operators, Android…...

Hackers Abuse Russian Bulletproof Host Proton66 for Global Attacks and Malware Delivery

Cybersecurity researchers have disclosed a surge in "mass scanning, credential brute-forcing, and exploitation attempts" originating from IP addresses associated with a Russian bulletproof hosting service provider named Proton66. The activity, detected since January 8, 2025, targeted organization...