Data breach
Sierra Management Group: a data breach
Sierra Management Group notified the California Attorney General of a data breach on June 29, 2026. The notice covers more than 500 California residents; California does not publish the exact number.
The record
- Organisation
- Sierra Management Groupas named by the source; not matched to a verified organisation
- Records affected
- Records not disclosed
- Sector
- Not recorded
- Occurred
- Not disclosed
- Disclosed
- 2026-06-29
- First recorded here
- 2026-09-16
Sources (1)
One source so far.
- California Attorney General ↗First reported
2026-06-29