10 May, 2026

Fake Claude AI website delivers new ‘Beagle’ Windows malware

A fake version for the Claude AI website offers a malicious Claude-Pro Relay download that pushes a previously undocumented backdoor for Windows named Beagle. The threat actor advertises Claude-Pro as a “high-performance relay service designed specifically for Claude-Code” developers. The fake website is a simplistic attempt at mimicking the legitimate site for the popular Claude large language […]

3 mins read