CrowdStrike® Falcon OverWatch for Microsoft Defender

24/7 managed threat hunting for Microsoft Defender

Falcon OverWatch for Defender¹ analyzes 6.2 trillion events daily using AI-powered detection with expert threat hunters to disrupt advanced attacks 24/7.

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Adversaries are bypassing automated defenses

Malware-free, AI-enabled attacks blend into normal activity, evading automated detection.

1. 89% increase in attacks by AI-enabled adversaries²

2. 27 sec: the fastest recorded eCrime breakout time²

3. 82% of detections in 2025 were malware-free²

4. Legitimate tools are weaponized to bypass detection

Strengthen Microsoft Defender with
24/7 managed threat hunting

Expert-led hunting analyzes trillions of events daily to deliver high-confidence detections.

6.2TRILLION

Events analyzed daily to detect stealthy and novel threats³

1,800+

New detection patterns developed annually³

100

High to critical severity intrusions detected daily³

Unified threat intelligence and hunting

CrowdStrike pioneered adversary-driven threat intelligence and tracks 280+ adversaries globally. The industry’s top threat hunters leverage this intelligence to identify real threat actor behavior, deliver high-confidence detections, and stop sophisticated attacks.

Threat hunting at machine speed and scale

The OverWatch team combines patented AI, proprietary detection patterns, and deep adversary expertise to analyze up to 6.2 trillion events daily, uncovering stealthy and novel threats. Operating at massive scale, speed, and precision, CrowdStrike achieved 100% detection and protection in the 2025 MITRE evaluation.

Power of the Crowd

OverWatch hunts across millions of endpoints in a global customer base using real-world adversary activity to drive intelligence-led hunting. OverWatch rapidly applies new techniques identified in one environment across others, enabling earlier detection and response.

See how CrowdStrike hunts adversaries

See why organizations trust CrowdStrike

Having experts from CrowdStrike OverWatch for 24/7 threat hunting provides peace of mind. There’s no noise, no junk. If there’s an alert, it’s a problem, and we’re investigating it.”

Brett Fernicola, Senior Director of Security Operations, Cybersecurity and Incident Response, Anywhere Real Estate

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They’re threat hunting 24/7, 365 days a year. They can warn us the moment something new appears, like a supply chain attack or novel intrusion technique. We know that while we’re sleeping, CrowdStrike is watching.”

Jake Daniels, Senior Manager of Defensive Cyber Operations, Blackbaud