Anthropic's Claude Desktop Secretly Installs Browser Backdoor on macOS
Date: 2026-04-22
Attack vector: data-exfiltration
Category: real-world
Severity: High

Tracked by the OECD AI Incidents and Hazards Monitor (AIM) as OECD-AIM-2026-04-22-133f, dated 2026-04-22. Classified attack vector: data-exfiltration. See the AIM incident page (https://oecd.ai/en/incidents/2026-04-22-133f) and its cited news sources for full narrative detail.


Mitigations:

Architectural layers (MAESTRO):