College Hospital Costa Mesa

College Hospital Costa Mesa

Data breach claim reported September 30, 2024
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Data Breach Report
Victimchcm.us
Claimed ByLockBit
Date DiscoveredSep 30, 2024
DescriptionCollege Hospital Costa Mesa is a facility specializing in psychiatric and medical-surgical services as well as outpatient, and partial hospitalization programs (PHP’s).
Leak Size

Breach claims on this page are published by threat actors and haven't been verified by Breachsense.

Credential Exposure for chcm.us

We've indexed 15 @chcm.us accounts from external breaches.

Last checked Nov 8, 2026

@chcm.us addresses from external breaches
Third-party breaches14 accounts · across 14 breaches · 12 with a plaintext password · most recent Jan 25, 2026
Combo lists3 accounts · most recent Oct 28, 2026

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