Malicious MCP Servers: A New Threat to Your Email Security – What to Know

Malicious MCP Servers: A New Threat to Your Email Security – What to Know If you use an AI assistant that can read your inbox, draft replies, or manage calendar invites, you are relying on something called a Model Context Protocol (MCP) server. These servers act as the bridge between an AI agent and the tools it controls—including your email account. And like any bridge, they can be crossed by attackers. ...

June 9, 2026 · 4 min · BriefArc Desk