Enterprise Defenses Recovered at the Edge and Collapsed Inside
Picus Labs' Blue Report 2026 finds perimeter prevention at 69% but post-compromise prevention just 37%, with reconnaissance blocked only 10% of the time.
Picus Labs' Blue Report 2026, based on 434,000+ simulated attacks across client production environments in H1 2026, found perimeter prevention effectiveness rose from 62% to 69% while the Post-Compromise Prevention Rate was only 37%. Quiet techniques fared worst: reconnaissance was blocked 10% of the time, registry-based credential access less than 1%, and the alert score stayed at 14% despite logging at a four-year high of 58%. IOC-based prevention fell to 50% from 71% in 2024, and Mimikatz's LSASS path was blocked about 94% while alternative credential-read paths went nearly undetected.
- Perimeter prevention effectiveness rose from 62% to 69%, matching the 2024 peak.
- Post-compromise prevention rate is 37%; reconnaissance was stopped only 10% of the time.
- Mimikatz via LSASS memory was blocked ~94%, but registry-based credential access under 1%.
- Alert score frozen at 14% even as logging reached a four-year high of 58%.
- IOC-based prevention fell to 50% from 71% in 2024 amid ~2M new files daily on VirusTotal.
- Vendors
- Picus Labs
- Organizations
- Picus Labs
From the original article
7 min read at thehackernews.com
Enterprise defenses are tuned to catch the attacks that make noise. This year's data shows attackers winning by making none. According to Picus Labs' new Blue Report 2026 , which measured more than 338 million real attack simulations across actual client production environments in the first half of 2026, defenses are having one of their strongest years yet.
By @TheHackersNews · thehackernews.com
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