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Texas AG investigates Carnival over data breach affecting 800,000 Texans

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Why it matters

Texas Attorney General Ken Paxton has opened an investigation into Carnival Corporation following an April 2026 data breach that exposed personal information on approximately six million people worldwide, including more than 800,000 Texas residents. Attackers used social engineering to compromise an employee account and gain access to Carnival's internal systems. The Texas Attorney General's Office issued a Civil Investigative Demand to examine whether Carnival maintained reasonable security measures and complied with state data protection laws, including the Texas Data Privacy and Security Act.

The scope of exposed data remains partially unclear. While the breach affected six million individuals globally, the Texas Attorney General's office has indicated that approximately 80,000 Texas residents may have had highly sensitive information compromised, including names, birth dates, payment information, and driver's license numbers. The full extent of what was accessed and the timeline for Carnival's discovery of the breach have not been fully detailed.

For in-house counsel and privacy officers, this investigation signals aggressive state-level enforcement on data security standards. Companies should review whether their incident response protocols meet Texas requirements and whether their security practices—particularly around employee access controls and multi-factor authentication—would withstand similar scrutiny. Carnival's offer of free credit monitoring through TransUnion may provide a template for breach response, but the CID itself suggests the state is examining whether the company's preventive measures were adequate before the breach occurred. Organizations handling Texas resident data should expect similar demands if breaches occur.

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