Hacienda La Puente Unified School District
bd_87470dac93757c55 · schema v1 · pii pii-v2
Full breach record for Hacienda La Puente Unified School District →2 incidents on fileHacienda La Puente Unified School District experienced a ransomware attack with unauthorized access occurring from February 9, 2024, to April 12, 2024. The district discovered the incident on April 12, 2024, and notified affected individuals starting August 15, 2025. The breach potentially exposed names combined with variable data elements. The district engaged forensic specialists, reported to law enforcement, and provided credit monitoring services.
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Incident timeline
Feb 9, 2024
Begins
Apr 12, 2024
Discovered
Aug 15, 2025
Filed
Linked disclosures
Why this link?Regulatory filings (6) · sorted by filing gap
- Vermont State AGbd_dc6c623cdafb506c2025-08-29 · +14dVerified
- New Hampshire State AGbd_1d319057400a676a2025-09-02 · +18dVerified
- California State AGbd_40af77a4100bceab2025-09-17 · +33dVerified
- Massachusetts State AGbd_d6b08be6254c72d52025-07-04 · +42dVerified
Show 2 more filings ↓Show fewer ↑up to 43d gap
- California State AGbd_08d378f872532da32025-07-03 · +43dCandidate
- Indiana State AGbd_a23ed27bd81cbd0a2025-07-03 · +43dVerified
Filing propagation · 7 filings · 6 states
View merged incident ↗Pattern: first filing Jul 3 (CA), last Sep 17 (CA) — a 76-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.