Protect email systems with SPF, DKIM, DMARC, Exchange Online, anti-phishing, and email security checklists.
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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.
Design realistic phishing simulations that measure and reduce risk — with metrics that matter, training that sticks, and without blaming users.
Deploy the three DNS-based email authentication standards in the right order and move DMARC from monitoring to full reject policy safely.
Enable time-of-click URL scanning and sandbox-based attachment detonation to stop phishing links and malicious files before they reach users.
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