✅ Official notice on file. Cierant Corporation filed this data breach notice with the California Attorney General on Jul 7, 2025. Compare it with the letter you received: the official copy is linked below.
Cierant Corporation reported a data breach caused by an incident at a third-party vendor or service provider. The information involved includes Social Security number, date of birth, medical information, username / password, home address.
Key facts
| Discovered | Dec 10, 2024 |
|---|---|
| Incident type | Third-party vendor |
| Data exposed | Social Security number, Date of birth, Medical information, Username / password, Home address |
| Letter sent | Jul 3, 2025 |
| Reported to California AG | Jul 7, 2025 |
| Company helpline | 1-877-841-3066 |
What to do now
- Freeze your credit for free at Equifax, Experian and TransUnion, and request an IRS Identity Protection PIN at irs.gov to block fraudulent tax returns in your name.
- Your date of birth is often used to verify identity: add a fraud alert to your credit file so lenders must confirm it is really you.
- Review the Explanation of Benefits statements from your insurer for services you never received.
- Change the password on this account and on any other site where you reused it, and turn on two-factor authentication.
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the Cierant Corporation helpline at 1-877-841-3066 if you have questions about your letter.
Timeline
- Dec 10, 2024 — Cierant Corporation discovers the incident
- Jul 3, 2025 — Notification letters sent
- Jul 7, 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 Cierant Corporation to the California Attorney General. BreachLetter is not affiliated with Cierant Corporation. Details extracted from the official letter; always follow the instructions in your own copy.