Healthcare Sector Cyber Threat Intelligence Report Q1 2026
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In Q1 2026, a healthcare organization was hit by ransomware every 10 hours. Securin analyzed 592 attacks across 94 threat groups, and the most important finding wasn't the volume. It was that 100% of the vulnerabilities exploited were already in the CISA KEV catalog.Attackers aren't innovating. They're systematically targeting known weaknesses that healthcare environments can't fix fast enough.This report finds:• The 29 weaponized CVEs actively exploited against healthcare in Q1 2026• The 94 threat groups behind the attacks and how they operate• Why ransomware dominates healthcare at nearly double the cross-sector rate• The structural reasons healthcare can't patch fast enough and how attackers exploit that window• The five findings every healthcare security leader needs to understand going into the rest of 2026Because the problem isn't that your team lacks vulnerability data, it's knowing which exposures actually matter, and proving they're closed.Attackers already know where to look. This report helps you get there first.