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

✅ Official notice on file. Carnival Corporation filed this data breach notice with the California Attorney General on May 27, 2026. Compare it with the letter you received: the official copy is linked below.

View the official notice · Read the letter (PDF)

Carnival Corporation reported a data breach. The letter lists the exposed information individually for each recipient, so check your own copy.

Key facts

Discovered Apr 14, 2026
Letter sent May 27, 2026
Reported to California AG May 27, 2026
Company helpline 1-844-593-8310

Free credit monitoring

Carnival Corporation is offering 24 months of Cyberscout (TransUnion) at no cost to people who received the letter. Deadline to enroll: Aug 31, 2026.

What to do now

  1. Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
  2. Call the Carnival Corporation helpline at 1-844-593-8310 if you have questions about your letter.

Timeline

  • Apr 14, 2026 — Carnival Corporation discovers the incident
  • May 27, 2026 — Notification letters sent
  • May 27, 2026 — Breach reported to the California Attorney General

Other recent data breaches

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