Forum Discussion
Skipster311-1
Jul 06, 2021Iron Contributor
Best practice advice
Hello all I am fairly new to Defender for O365. I am the cloud admin for a small company roughly 1000 accounts. We are moving from mimecast to Defender for O365. I read the article regarding pres...
- Jul 06, 2021Precedence works in this order:
Strict protection preset security policy
Standard protection preset security policy
Custom security policies
Default security policies
Which means if a setting is set in a policy with a higher precedence, it can’t be overridden in a lower policy. You should be OK by using your approach.
KentMitchell
Microsoft
Mar 15, 2022In case folks are still coming across this topic, this documentation might help: Documentation article: Order and precedence of email protection.
More holistic within this topic’s theme, the Microsoft Defender for Office 365 (MDO) setup guide in the M365 Admin Center contains step by step guidance on deploying MDO.
The MDO setup guide simplifies deployment of MDO.
Note: If you don't have Microsoft 365 admin permissions, open the guide in a test or POC tenant to get instructions.