Questo Data Breach (2026): What Was Exposed & Free Credit Monitoring

✅ Official notice on file. Questo filed this data breach notice with the California Attorney General on Jul 16, 2026. Compare it with the letter you received: the official copy is linked below.

View the official notice · Read the letter (PDF)

Questo reported a data breach caused by unauthorized access to its computer network. The information involved includes financial account / bank info, medical information.

Key facts

Unauthorized access Oct 1, 2025 – Oct 9, 2025
Discovered Oct 9, 2025
Incident type Network intrusion
Data exposed Financial account / bank info, Medical information
Reported to California AG Jul 16, 2026
Company helpline 1-844-958-8901

Free credit monitoring

Questo is offering 12 months of Kroll at no cost to people who received the letter. Enroll at enroll.krollmonitoring.com using the activation code printed on your letter.

What to do now

  1. Call your bank, ask about extra monitoring or a new account number, and review statements for small unknown charges.
  2. Review the Explanation of Benefits statements from your insurer for services you never received.
  3. Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
  4. Call the Questo helpline at 1-844-958-8901 if you have questions about your letter.

Timeline

  • Oct 1, 2025 — Unauthorized access begins
  • Oct 9, 2025 — Questo discovers the incident
  • Jul 16, 2026 — Breach reported to the California Attorney General

Other recent data breaches

Source: notification letter and filing submitted by Questo to the California Attorney General. BreachLetter is not affiliated with Questo. Details extracted from the official letter; always follow the instructions in your own copy.