Mount Diablo Unified School District
bd_3eeccc30239adb56 · schema v1 · pii pii-v1
Full breach record for Mount Diablo Unified School District →5 incidents on fileMt. Diablo Unified School District reported the theft of a password-protected, unencrypted computer from one of its offices on December 1, 2012. The device contained Excel and Word files with names, dates of birth, addresses, and Social Security numbers of employees and former employees. Approximately one New Hampshire resident was affected. The District offered one year of complimentary credit monitoring and implemented measures to minimize the use of SSNs in reports.
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Incident timeline
Dec 1, 2012
Begins
Dec 1, 2012
Discovered
Dec 18, 2012
Filed
vs. sector median
6 wks faster
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- Massachusetts State AGbd_2ac81a7458b3eebf2012-12-18Verified
- California State AGbd_f0885b613aebc86d2012-12-12 · +6dCandidate
Filing propagation · 3 filings · 3 states
View merged incident ↗Pattern: first filing Dec 12 (CA), last Dec 18 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.