Once third-party agents can read your email, email-based 2FA stops being secure
msg · x · 2026-11-06
A sharp security observation: once you grant third-party agents access to your email, email-based 2FA is no longer secure — an agent that can read your inbox can also read your verification codes, defeating the second factor. A timely warning as more users plug agents into core accounts.
Related event: Email 2FA Becomes Insecure Once AI Agents Get Mailbox Access(2 posts)→
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