4 recommendations. Filter by category, criticality, maturity tier, or system.
Reduce the Exchange Online attack surface by blocking Exchange Web Services (EWS) when it is not required and migrate legitimate application dependencies to Microsoft Graph.
Prevent users from downloading email attachments to unmanaged or untrusted devices to reduce the risk of data leakage and unauthorized file distribution.
Enable time-of-click URL scanning and sandbox-based attachment detonation to stop phishing links and malicious files before they reach users.
Require multi-factor authentication for all users and block legacy protocols (IMAP, POP, SMTP AUTH) that bypass MFA entirely.
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