✅ Official notice on file. Molecular Testing Labs filed this data breach notice with the California Attorney General on Dec 10, 2025. Compare it with the letter you received: the official copy is linked below.
Molecular Testing Labs reported a data breach caused by an incident at a third-party vendor or service provider. The letter lists the exposed information individually for each recipient, so check your own copy.
Key facts
| Discovered | Mar 11, 2025 |
|---|---|
| Incident type | Third-party vendor |
| Reported to California AG | Dec 10, 2025 |
| Company helpline | 1-800-649-2424 |
Free credit monitoring
Molecular Testing Labs is offering 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
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the Molecular Testing Labs helpline at 1-800-649-2424 if you have questions about your letter.
Timeline
- Mar 11, 2025 — Molecular Testing Labs discovers the incident
- Dec 10, 2025 — Breach reported to the California Attorney General
Other recent data breaches
- BASS Medical Group data breach
- San Bernardino County on behalf of Arrowhead Regional Medical Center data breach
- Modoc Medical Center data breach
- Ridgeway Pharmacy Ltd data breach
- Paradigm Healthcare Services data breach
Source: notification letter and filing submitted by Molecular Testing Labs to the California Attorney General. BreachLetter is not affiliated with Molecular Testing Labs. Details extracted from the official letter; always follow the instructions in your own copy.