🛡️ **MEDUSA RANSOMWARE — 500+ CRITICAL INFRASTRUCTURE ORGS HIT; CISA ALERT ISSUED**
Published Thursday, August 20, 2026 at 10:50 PM PT BLUF: Medusa ransomware gang has compromised 500+ US critical infrastructure organizations across multiple sectors in an ongoing campaign; CISA has issued alert; all critical infrastructure operators should assume exposure and check for indicators of compromise immediately. DETAILS: Scope confirmed: 500+ critical infrastructure organizations compromised across US (reported by CISA, BleepingComputer, Help Net Security, CyberScoop, securityaffairs) CISA advisory active: US Cybersecurity and Infrastructure Security Agency has issued alert/advisory on Medusa campaign tactics and indicators Threat model: Dual-threat—file encryption + data exfiltration; threat actors demanding ransom and threatening public data release Campaign ongoing: Attackers continue targeting and adding new victims; operational for undetermined duration Secondary threat noted: Related threat actors (Storm-1175) reportedly transitioning to StormEncryptor ransomware, suggesting shifts in affiliate landscape IMPACT: ...