Microsoft announced plans to deprecate legacy Transport Layer Security (TLS) versions and older endpoints for POP3 and IMAP4 connections in Exchange Online, as part of ongoing eff ...
Attackers are increasingly targeting insecure legacy protocols, like IMAP, to avoid running into multi-factor authentication in password-spraying campaigns. Attackers mounting password-spraying ...
Massive IMAP-based password-spraying attacks successfully breached Microsoft Office 365 and G Suite accounts, circumventing multi-factor authentication (MFA) according to an analysis by Proofpoint.
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