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Carnival Corporation Data Breach (May 2026): What Was Exposed and What To Do

Last updated Oct 22, 2026 · Based on 3 official filings · See sources

According to the notice filed with the Washington State Attorney General on May 27, 2026, Carnival Corporation reported a data breach. It was also reported to the California Attorney General and the Texas Attorney General. People affected: 5,995,277 people (official total in the Texas Attorney General filing, filed May 28, 2026).

Key facts

From 3 official filings
Organization
Carnival Corporation
Source: Washington State Attorney General, filed May 27, 2026
People affected
5,995,277
Official total in the Texas Attorney General filing, filed May 28, 2026
Source: Texas Attorney General, filed May 28, 2026
Incident dates
Apr 10, 2026 – Apr 14, 2026
Source: Washington State Attorney General, filed May 27, 2026
Discovered Apr 14, 2026
Source: Washington State Attorney General, filed May 27, 2026
Notice dates
Letters dated May 27, 2026
Source: notice letter in the California Attorney General filing of May 27, 2026
First filed May 27, 2026; latest filing May 28, 2026
Information exposed
  • Driver's license
  • Passport number
  • Government ID number
  • Date of birth
  • Name
  • Address
Sources: Washington AG, May 27, 2026; Texas AG, May 28, 2026
Filed with
Free credit monitoring
Offered: 24 months through TransUnion
Enroll by
Source: notice letter in the California Attorney General filing of May 27, 2026

What to do now

Steps chosen from the information listed in the official filings. Your own letter may list more.

  1. Carnival Corporation offered free credit monitoring for 24 months through TransUnion. The enrollment deadline is . Use the enrollment code printed in your letter. Never share that code with anyone who contacts you.

    Source: notice letter in the California Attorney General filing of May 27, 2026

  2. Ask your state's DMV what it recommends when a driver's license number has been exposed. Find your state's agency at USA.gov.

  3. If you think your passport is being misused, or it is lost or stolen, contact the U.S. Department of State.

  4. Scammers often contact people after a breach, pretending to be the organization, a bank or a government agency. Do not give your Social Security number, passwords or codes to anyone who contacts you first.

  5. You can get free credit reports from all three bureaus at AnnualCreditReport.com, the official site.

  6. The Federal Trade Commission's IdentityTheft.gov gives you a personal recovery plan.

Is the letter real?

The agency published an official copy of the notice. Compare your letter with it:

Letters usually list a phone number for questions. Before calling, check that it matches the number in the official copy linked above.

Never give your Social Security number, bank details or passwords to someone who contacts you first.

Timeline

  1. Incident began (earliest date reported) source
  2. Incident ended (latest date reported) source
  3. Organization discovered the incident source
  4. Notice letters dated source
  5. Reported to Washington AG and California AG source
  6. Reported to Texas AG source

Sources

  1. Washington State Attorney General Notice filed May 27, 2026
    Filed as “Carnival Corporation” · 54,960 Washington residents · Official copy of the letter
    The link opens the Attorney General's list of notices.
  2. California Attorney General Notice filed May 27, 2026
    Filed as “Carnival Corporation” · Official copy of the letter
  3. Texas Attorney General Notice filed May 28, 2026
    Filed as “Carnival Corporation” · 800,060 Texas residents · total 5,995,277
    The link opens the agency's list; search it for the organization name.

Last updated Oct 22, 2026. Our summaries are written in our own words from the official filings above. Spotted an error? Report a correction.