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Threat Intelligence Report

M365 Token Spray and Replay Campaign Compromises Business Email Accounts

๐Ÿ“… October 22, 2026 ๐Ÿ“ฐ www.huntress.com ๐Ÿ” 0 CVE(s) referenced

A ten-week Microsoft 365 token-spraying campaign bypassed MFA to compromise 79 organizations, establish persistence through rogue devices and authentication methods, and enable business email compromise.

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