Table of Contents If you run email security on Microsoft 365 E3, you woke up to an upgrade you didn't ask for. As of July 1, Microsoft folds Defender for Office 365 Plan 1 into Microsoft 365 E3 and Office 365 E3, and it lands in tenants through August 1. Safe Links, Safe Attachments, and a stronger anti-phishing engine are switching on, in a lot of cases before anyone on your team touches a settin...