MCP servers: first found, then attacked
In late 2025, GreyNoise's MCP decoys were found within days, but GreyNoise did not yet observe any targeted attacks. In summer 2026, over a period of 90 days, Wiz documented code execution via publicly reachable MCP servers.
GreyNoise, November 2025 (opens external website)Wiz Threat Research, August 2026 (opens external website)