Blog Post

Microsoft Defender for Office 365 Blog
3 MIN READ

Announcing Public Preview: Security Copilot’s Email Summary in Microsoft Defender

cristinadagamah's avatar
cristinadagamah
Icon for Microsoft rankMicrosoft
Apr 13, 2026
Co-Authors: Cristina Da Gama Henriquez and Ajaj Shaikh AI is rapidly reshaping both sides of the security landscape, and email remains one of the most common and complex entry points for attacks. A...
Updated Apr 14, 2026
Version 2.0
awareness & training
investigation
bcwlk's avatar
bcwlk
Copper Contributor
Apr 25, 2026

Can this be configured to only run on demand? Anytime I click a linked to an incident, Copilot starts summarizing things for me even if I do not want or need it, which I believe consumes SCU. For every click, every load of the page, is that more SCU down the drain? Maybe we accidentally turned something on, but I get the sense this is an automatic opt-in event that will become a slow drip on Security Copilot units.