Microsoft rebrand the security and compliance suite Add-ons for Microsoft 365 Enterprise plans from 1 October, 2025. This aligns the names with the recently introduced SMB security and compliance suites which you can read more about on our blog here: https://bit.ly/3IsVjhH. The functionality remains the same, with Microsoft 365 E5 Security now becoming the Microsoft Defender Suite, and Microsoft 365 E5 Compliance becoming the Microsoft Purview Suite.
Find out the details here: https://bit.ly/46R1KTE.