HackingCustomer Data InvolvedIDENTITY_BASICLowContained
Oakland-Museum-Of-California
bd_6b98a9ba5180df06 · schema v1 · pii pii-v1
Full breach record for Oakland-Museum-Of-California →Oakland Museum of California notified the California Attorney General of a data breach where an unauthorized actor accessed the network between July 10 and July 13, 2025. The museum observed unusual activity on July 13, 2025, and engaged cybersecurity specialists. Personal information, including names and addresses, was potentially accessed. The museum secured its environment, implemented additional security measures, and offered complimentary credit monitoring and identity theft protection services to affected individuals.
California clockDiscovered Jul 13, 2025 → Notified Nov 1, 2025111d ✗ CA 60-day late17 weeks discovery → filing
This filing is one of 2 about the same incident.View merged incident
Linked disclosures
Why this link?Ransomware claims (1)
- bd_fc97584f058fe909Leak Sitelynxfiled 2025-08-29(74d gap)Candidate
Source provenance
- Source URL
- https://oag.ca.gov/ecrime/databreach/reports/sb24-614162
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Nov 12, 2025
- Raw hash
- 74dc82fc3a3a8f3d8a2d16390cb0b54a454fdb24b2a0bb5c3f22cc9b4dd9569c
Reporting entity
- Name
- Oakland-Museum-Of-Californianorm: oakland museum of california
- Domain
- oaklandmuseumofcalifornia.org
Victim entity
- Name
- Oakland-Museum-Of-Californianorm: oakland museum of california
- Domain
- oaklandmuseumofcalifornia.org
Incident
- Discovered
- Jul 13, 2025
- Materiality determined
- —
- Notification sent
- Nov 1, 2025
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASIC
- Attack vector
- Unauthorized Access
- Threat actor
- External
Compliance
- Time to disclose
- 17 weeks(122 days from discovery to filing)
- Compliance flags
- CA 60-day late · 111dLeak >30d
- Discovery-date grounding
- letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
- Clock breakdown
Statute Window Elapsed Threshold Status California Discovered: Jul 13, 2025→ Notified: Nov 1, 2025111d 60 days (analyst band, pre-2026 discoveries) CA 60-day late
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.