Mariner Wealth Advisors Data Breach (2026): What Was Exposed & Free Credit Monitoring

✅ Official notice on file. Mariner Wealth Advisors, LLC filed this data breach notice with the California Attorney General on Jun 1, 2026. Compare it with the letter you received: the official copy is linked below.

View the official notice · Read the letter (PDF)

Mariner Wealth Advisors, LLC reported a data breach caused by unauthorized access to its computer network. The information involved includes Social Security number, date of birth.

Key facts

Incident type Network intrusion
Data exposed Social Security number, Date of birth
Letter sent May 29, 2026
Reported to California AG Jun 1, 2026
Company helpline 1-866-653-4261

Free credit monitoring

Mariner Wealth Advisors, LLC 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. 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.
  2. 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.
  3. Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
  4. Call the Mariner Wealth Advisors, LLC helpline at 1-866-653-4261 if you have questions about your letter.

Timeline

  • May 29, 2026 — Notification letters sent
  • Jun 1, 2026 — Breach reported to the California Attorney General

Other recent data breaches

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