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ShinyHunters claim they have cruise giant Carnival's booty as 7.5M emails surface

ID: 4e3127df-176b-52ce-9e38-0ddc2f39cf7b

STIX ID: report--4e3127df-176b-52ce-9e38-0ddc2f39cf7b

Feed Name: The Register (Security)

Threat Score
70/100

Date Published: 2026-04-24

Date Updated: 2026-04-26

Author: Carly Page

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Have I Been Pwned flagged 7.5–8.7 million records apparently tied to Holland America Line's Mariner Society loyalty program; exposed fields include names, dates of birth, genders, and membership status. The ShinyHunters extortion group posted claims of terabytes of corporate data and attempted to extort the company, while Carnival acknowledges a security incident linked to a phishing-compromised account and is investigating the scope of access.

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