Morningstar06-01-2026Carnival Corporation disclosed a reported April 2026 data breach affecting nearly 6 million travelers after social engineering targeted employee accounts.
Houston Public Media / Kyle McClenagan06-01-2026Carnival Inc. disclosed an April 14 unauthorized-access breach that the Texas Attorney General says may have exposed personal data for up to 800,060 Texans.
The Register / Carly Page04-24-2026Have I Been Pwned flagged 7.5 million email addresses tied to Carnival Corporation while the company reported a limited phishing compromise.
Insurance Journal05-28-2026Carnival Corp disclosed on May 27 that a compromised employee account in April exposed personal information including government-issued identification numbers, after social engineering access.
Top Class Actions05-25-2026Zachary Pottle filed a Florida federal class action on April 22, 2026, alleging Carnival failed to notify customers after ShinyHunters stole over 8.7 million PII records in a ransomware breach on April 18, 2026.
Claim Depot05-28-2026Carnival Corporation disclosed in 2026 a social-engineering-driven data breach affecting 5.99 million U.S. residents and began California filings and consumer notifications with TransUnion credit monitoring.
Benzinga / Ananya Gairola05-28-2026Carnival Corp. reported an April employee-account compromise using social engineering, exposing personal data and leading to May 27 notifications and TransUnion identity protection for U.S. customers.
WECT / Jordan Gartner05-31-2026Carnival Corporation reported on an April 14 employee-account compromise after possible exposure of traveler passport and driver license numbers.
WBRZ05-31-2026Carnival Corporation reported an April data breach discovered after unauthorized access to an employee account exposed sensitive personal identifiers for nearly six million people.
Cruise Radio / Richard Simms04-24-2026ShinyHunters allegedly accessed Carnival Corporation data and issued a ransom threat, while Carnival reported blocking unauthorized activity and notifying law enforcement.
IT CPE Academy05-29-2026Carnival Corporation disclosed a data breach in the U.S. after ShinyHunters claimed access to Mariner Society loyalty data following a phishing compromise detected April 14, 2026.
KECI / Laura Freeman06-01-2026Carnival Corporation notified nearly 6 million customers in a data breach announced after an April social engineering attack.
The State AG Report06-25-2026Texas Attorney General Ken Paxton announced a Carnival Corporation investigation after an April 2026 data breach involving employee-account deception and consumer data exposure.
Lifehacker05-29-2026Carnival Corporation disclosed a consumer data breach to Maine officials after April 10 exposure, notifying about 6 million people starting May 27 and offering TransUnion credit monitoring.
Cybersecurity Insiders / Jane Devry06-02-2026Carnival Corporation reported a 6 million-cruiser data breach in response to social engineering that enabled unauthorized access to an employee-linked account.
CyberInsider / Alex Lekander04-19-2026ShinyHunters threatened to leak alleged stolen data from Carnival Corporation by April 21, 2026 after Carnival detected suspicious phishing tied activity on one account.
ABC13 Houston06-01-2026Carnival Corporation disclosed that a April social-engineering attack led to unauthorized access to passenger passport numbers and dates of birth.
KHOU06-23-2026Texas Attorney General Ken Paxton announced an investigation into a Carnival Cruise Line cybersecurity incident affecting about 800,000 Texans, involving customer identity data.
WSMV 4 / Jordan Gartner05-31-2026Carnival Corporation reported a April 14 incident after social engineering compromised an employee account, exposing identity data for 5.99 million people in a Maine Attorney General notice.
SRN News05-27-2026Carnival Corp reported a April cybersecurity incident involving a compromised employee account, using social engineering to leak personal information and prompting May 27 TransUnion credit-monitoring offers.
KPRC Click2Houston05-31-2026Carnival Corporation disclosed May 27 that a social-engineering attack in April may have exposed passport and driver's license numbers for some travelers, including Texas cruise passengers.
Security Magazine05-28-2026Carnival Corporation confirmed a ShinyHunters ransomware data breach in April 2026 after social engineering compromised an employee device, affecting millions of customers.
WGME05-28-2026Carnival Corporation filed a Maine Attorney General breach notice in connection with unauthorized employee-account activity affecting nearly 10,000 Mainers.
WGME05-28-2026Carnival Corporation notified the Maine Attorney General's Office after unauthorized employee-account activity exposed personal data for nearly 10,000 Mainers.
WTAQ News Talk05-27-2026Carnival Corp reported a May 27 disclosure of an April cybersecurity incident where social engineering enabled unauthorized access to personal data tied to an employee account.
FOX 9 Minneapolis-St. Paul / Chris Williams05-29-2026Carnival Corporation notified affected individuals beginning May 27 after an April 14 social-engineering attack led to unauthorized access to parts of Carnival IT systems.
LiveNOW from FOX / Chris Williams05-29-2026Carnival Corporation notified potentially affected individuals in May 2026 after an April 14, 2026 social engineering-driven breach exposed personal information including government ID numbers.
Cruise Hive / Melissa Mayntz04-24-2026Carnival Corporation is investigating an extortion-related data breach claim listed by ShinyHunters after unauthorized activity was detected in a single user account, with a deadline expiring April 21, 2026.
Cruise Hive / Catie Kovelman04-30-2026Between April 22-24, 2026, three plaintiffs filed class-action lawsuits in Florida against Carnival Corporation over an alleged ShinyHunters-linked breach and delayed notification.
Yahoo Travel / Helen Hatzis06-01-2026Carnival Corporation disclosed a social engineering intrusion on an unspecified date that exposed passenger dates of birth and passport numbers.
Daily Express US06-02-2026Carnival Corporation reported a cybersecurity breach discovered in 2026 after an April 2026 incident exposed personal information of nearly 6 million customers.
WHBL05-27-2026Carnival Corp announced May 27 that an April employee-account compromise enabled social engineering, exposing personal data and triggering notification and TransUnion credit monitoring.
Daily Hive06-04-2026Carnival Corporation reported a social-engineering attack on April 14, 2026, leading to unauthorized access and guest notifications with free credit monitoring.
WJXT News4JAX06-02-2026Carnival Corporation notified customers in May 2026 about an April 2026 incident involving employee-account social engineering and offered TransUnion credit monitoring to U.S. customers.
ABC7 Bay Area06-01-2026Carnival Corporation disclosed an April data breach after social engineering enabled unauthorized system access, exposing passenger dates of birth and passport numbers.
AOL.com06-02-2026Carnival Corporation disclosed a social-engineering cyber breach discovered April 14 and confirmed customer data compromise by April 22, with notifications starting May 27.
Cision PR Newswire05-27-2026Carnival Corporation issued May 27, 2026 data-breach notifications after April 2026 social engineering compromised an employee account and exposed personal identifiers.
Holzberg Legal04-28-2026Ashley Cole filed a class action in Southern District of Florida against Carnival Corporation alleging delayed breach notice after alleged ShinyHunters exfiltration around April 18, 2026.