Email remains the primary attack vector as AI-enabled business email compromise and executive impersonation evade signature-based filters. Leading teams are augmenting Microsoft Defender and Microsoft 365 with inbox-integrated, adaptive AI that detects behavioral anomalies and automates response rather than replacing existing defenses. #Microsoft365 #IRONSCALES
Keypoints
- Email is the primary attack vector with AI-enabled business email compromise causing major losses.
- Legacy gateways and native Microsoft tools stop known threats but miss intent-based social engineering.
- API-based, inbox-integrated layers complement Microsoft Defender without changing mail flow.
- Adaptive behavioral AI builds baselines and flags anomalous communications in real time.
- Automated incident response and targeted simulations reduce analyst load and improve user detection.
Read More: https://thehackernews.com/expert-insights/2026/04/why-security-leaders-are-layering-email.html