2026 MagMutual Insurance — LeakNet ransomware claim (unverified)
Data compromised
Ransomware leak-site listing; specific data types and record counts not independently validated at catalog time—unverified
Technical writeup
Unverified LeakNet extortion listing — June 26, 2026 per threat-intelligence aggregators. MagMutual Insurance Company, a leading U.S. medical professional liability insurer, appeared on LeakNet's leak site; class-action attorneys opened investigations citing hacker reports. MagMutual had not issued a public breach confirmation at catalog time. BreachHistory indexes recordsAffected 0 pending company or regulator attestation.
Root cause
LeakNet ransomware/extortion listing against MagMutual Insurance Company (magmutual.com)—unverified; company had not confirmed at catalog time