MXB Battery Operations Data Breach (2026): What Was Exposed & Free Credit Monitoring

✅ Official notice on file. MXB Battery Operations LP filed this data breach notice with the California Attorney General on Mar 26, 2026. Compare it with the letter you received: the official copy is linked below.

View the official notice · Read the letter (PDF)

MXB Battery Operations LP reported a data breach caused by unauthorized access to its computer network.

Key facts

Unauthorized access Nov 11, 2025 – Nov 15, 2025
Incident type Network intrusion
Letter sent Mar 26, 2026
Reported to California AG Mar 26, 2026
Company helpline 1-833-397-0803

Free credit monitoring

MXB Battery Operations LP 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

  1. Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
  2. Call the MXB Battery Operations LP helpline at 1-833-397-0803 if you have questions about your letter.

Timeline

  • Nov 11, 2025 — Unauthorized access begins
  • Mar 26, 2026 — Notification letters sent
  • Mar 26, 2026 — Breach reported to the California Attorney General

Other recent data breaches

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