AccidentalProgramming ErrorMisdeliveryCustomer Data InvolvedEmployee Data InvolvedIDENTITY_BASICEDUCATIONLowContained
Mount Diablo Unified School District
bd_aaf14349280f5592 · schema v1 · pii pii-v1
Full breach record for Mount Diablo Unified School District →Mount Diablo Unified School District notified parents that a coding error in the SchoolMessenger mobile application (provided by Intrado) randomly disclosed contact information (names, emails, phone numbers) of other parents and students to users. The incident was discovered on September 14, 2020. The district immediately shut down access to the application and is investigating with the vendor. No evidence of misuse was found.
California clockDiscovered Sep 14, 2020 → Notified Sep 21, 20207d ✓ CA 60-day OK5 weeks discovery → filing
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/sb24-195323
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Oct 20, 2020
- Raw hash
- 808a74049219a751ee80c86e51a7fe5c83cd057ad1cbd44dd92326546ee2b5ed
Reporting entity
- Name
- Mount Diablo Unified School Districtnorm: mount diablo unified school district
Victim entity
- Name
- Mount Diablo Unified School Districtnorm: mount diablo unified school district
Incident
- Discovered
- Sep 14, 2020
- Materiality determined
- —
- Notification sent
- Sep 21, 2020
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASICEDUCATION
- Attack vector
- Misconfiguration
- Third party
- via Intrado (SchoolMessenger)
Compliance
- Time to disclose
- 5 weeks(36 days from discovery to filing)
- Compliance flags
- CA 60-day OK · 7d
- 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: Sep 14, 2020→ Notified: Sep 21, 20207d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.