✅ Official notice on file. Advanced Security Systems filed this data breach notice with the California Attorney General on Aug 24, 2025. Compare it with the letter you received: the official copy is linked below.
Advanced Security Systems reported a data breach caused by unauthorized access to its computer network. The information involved includes payment card.
Key facts
| Discovered | Jun 30, 2025 |
|---|---|
| Incident type | Network intrusion |
| Data exposed | Payment card |
| Letter sent | Aug 22, 2025 |
| Reported to California AG | Aug 24, 2025 |
| Company helpline | 1-800-405-6108 |
Free credit monitoring
Advanced Security Systems is offering 12 months of Cyberscout (TransUnion) at no cost to people who received the letter. Enroll at bfs.cyberscout.com/activate using the activation code printed on your letter.
What to do now
- Ask your card issuer to replace the card and review recent transactions; card fraud is usually refunded if reported quickly.
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the Advanced Security Systems helpline at 1-800-405-6108 if you have questions about your letter.
Timeline
- Jun 30, 2025 — Advanced Security Systems discovers the incident
- Aug 22, 2025 — Notification letters sent
- Aug 24, 2025 — Breach reported to the California Attorney General
Other recent data breaches
- Deposition Solutions, LLC data breach
- Mercadien, P.C. CPAs data breach
- Toyo Tire Holdings of Americas Inc. data breach
- STS Aviation Group data breach
- Alma Family Services data breach
Source: notification letter and filing submitted by Advanced Security Systems to the California Attorney General. BreachLetter is not affiliated with Advanced Security Systems. Details extracted from the official letter; always follow the instructions in your own copy.