Recent Blogs
4 MIN READ
The fourth release in our Defender reporting series helps security teams see the email and Teams attacks that matter, investigate them faster, and measure whether their people are becoming more resil...
Oct 27, 2026
3 MIN READ
Email remains the most exploited gateway for cyberattacks, as the threat landscape continues to get more sophisticated with attackers using AI to scale phishing, malware, and business email compromis...
Oct 26, 2026
AI assistants are quickly becoming part of everyday work—summarizing emails, drafting responses, triaging requests, and even potentially acting across connected business systems. As email becomes an ...
Jul 08, 2026
3 MIN READ
Starting today, Microsoft Defender for Office 365 Plan 1 is rolling out to customers with Microsoft 365 E3/G3 and Office 365 E3/G3 licenses, with rollout expected to complete by Fall 2026. For securi...
Jun 17, 2026
3 MIN READ
Email investigations are a key part of detecting and responding to phishing and malware. As security workflows continue to evolve, there is an increasing need to align email content visibility more c...
Apr 29, 2026
Enterprise inboxes are overwhelmed with graymail — legitimate, bulk email like newsletters, vendor promotions, and product updates that isn't malicious but buries the messages that matter. When high ...
Apr 22, 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...
Apr 13, 2026
5 MIN READ
Email is still a major entry point—but it’s no longer the only one that matters. Today’s attackers are increasingly shifting to collaboration channels like Microsoft Teams, where trust is implicit an...
Mar 20, 2026
5 MIN READ
TL;DR: We're releasing a brand-new Power BI template for email security reporting and a major update (v3) to the Microsoft Sentinel workbook. Both solutions share the same rich visuals and insights. ...
Feb 02, 2026
7 MIN READ
New Layers of Protection for Teams Messages
With more than 300 million monthly active users on Microsoft Teams, ensuring secure collaboration has become increasingly critical. As the threat landsca...
Jan 14, 2026