✅ Official notice on file. Hacienda La Puente Unified School District filed this data breach notice with the California Attorney General on Sep 17, 2025. Compare it with the letter you received: the official copy is linked below.
Hacienda La Puente Unified School District reported a data breach caused by a ransomware attack that encrypted or stole files. The letter lists the exposed information individually for each recipient, so check your own copy.
Key facts
| Discovered | Apr 12, 2024 |
|---|---|
| Incident type | Ransomware |
| Letter sent | Aug 15, 2025 |
| Reported to California AG | Sep 17, 2025 |
| Company helpline | 1-800-939-4170 |
Free credit monitoring
Hacienda La Puente Unified School District is offering 12 months of IDX at no cost to people who received the letter. Enroll at app.idx.us/account-creation/protect using the activation code printed on your letter.
What to do now
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the Hacienda La Puente Unified School District helpline at 1-800-939-4170 if you have questions about your letter.
Timeline
- Apr 12, 2024 — Hacienda La Puente Unified School District discovers the incident
- Aug 15, 2025 — Notification letters sent
- Sep 17, 2025 — Breach reported to the California Attorney General
Previous breaches at Hacienda La Puente Unified School District
Other recent data breaches
- Inner City Education Foundation data breach
- Nishiyamato Academy data breach
- Merced Union High School District data breach
- Lincoln Technical Institute data breach
- Monmouth University data breach
Source: notification letter and filing submitted by Hacienda La Puente Unified School District to the California Attorney General. BreachLetter is not affiliated with Hacienda La Puente Unified School District. Details extracted from the official letter; always follow the instructions in your own copy.