Category: impersonation
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Why You Should Duplicate Your Microsoft 365 Preset Security Policies
If you manage Microsoft 365 security, you might well have noticed the Standard Preset Security Policy as a baseline protection for Exchange Online, Office and Teams protections. It’s a sensible choice — Microsoft maintains it, it’s kept up to date with best-practice settings, and it covers anti-spam, anti-malware, and anti-phishing policies as well as Safe Links and…
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Adding Trusted Senders To Defender for Office Impersonation Allowlists
You used to be able to add sender email addresses to the preset security policies so that those senders would not be flagged as impersonation attempts. For example, my email starts brian.reid@ [mydomain.com], but an email from brian.reid@ [gmail.com], for example, is likely to trigger impersonation blocks and dropping the email into the quarantine. Of…