Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Cornerstone Municipal Advisory Group

1 breach9,202 affected in allHealthcare

Hacking breachHacking exposed names and health records. Reported to the HHS archive.9,202 affectedHealthcareUSApr 2, 2021
About

Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages.

Added2026-09-25
Cornerstone Municipal Advisory Group, 2021-04-02
Added2026-09-25
Cornerstone Municipal Advisory Group