• Microsoft published quarterly benchmarking on email security performance using real-world threat telemetry, comparing Defender with SEG and ICES vendors.
• Defender led pre-delivery detection across four quarters since July 2025, with the next-closest SEG vendor showing 2.5x more misses.
• In the latest quarter, Defender recorded 59% fewer high-severity misses than the next-closest SEG vendor.
• ICES tools delivered the clearest benefit in promotional and bulk filtering, with 16.85% average improvement last quarter.
• Defender’s post-delivery remediation share averaged 96.03%, up from 70.8% in the prior quarter, limiting incremental ICES uplift for malicious mail.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Microsoft Corporation published the original content used to generate this news brief on June 15, 2026, and is solely responsible for the information contained therein.