HackingStolen CredentialsData ExfiltratedCustomer Data InvolvedIDENTITY_BASICLowContained
Sierra Management Group
bd_f06631072dbae83e · schema v1 · pii pii-v1
Full breach record for Sierra Management Group →Sierra Management Group notified the California AG of unauthorized access to its systems by a third party between December 2025 and March 2026. The attacker may have accessed and copied files containing personal information, including names. The incident was contained, and an investigation was conducted. Affected individuals are offered credit monitoring and identity restoration services.
Leak gap clock⏱ Leak >90d
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
Source provenance
- Source URL
- https://oag.ca.gov/ecrime/databreach/reports/sb24-625681
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jun 29, 2026
- Raw hash
- ff6bdeb1050e68ba2ebae864b30c1c3c2f4f30022dd177276a3fbe6241d833f6
Reporting entity
- Name
- Sierra Management Groupnorm: sierra management
- Domain
- sierramanagementgroup.com
Victim entity
- Name
- Sierra Management Groupnorm: sierra management
- Domain
- sierramanagementgroup.com
Incident
- Discovered
- —
- Materiality determined
- —
- Notification sent
- Jun 29, 2026
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASIC
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
- Threat actor
- External
Compliance
- Compliance flags
- Leak >90dCA AG copy ≤15d · 0d
- Discovery-date grounding
- no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
- Clock breakdown
Statute Window Elapsed Threshold Status California Consumers notified: Jun 29, 2026→ AG copy submitted: Jun 29, 20260d 15 calendar days CA AG copy ≤15d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.