Carnival Corporation Discloses Data Breach Affecting Nearly 6 Million Individuals
Carnival Corporation announced a data breach on May 27, 2026, affecting nearly 6 million individuals. The incident, detected on April 14, 2026, involved an unauthorized actor using social engineering to deceive an employee and gain access to a limited portion of the company's IT system. By April 22, 2026, it was determined that personal information had been copied. The compromised data may include names, addresses, email addresses, phone numbers, dates of birth, and government-issued identification numbers (e.g., driver's license and passport numbers).
Signal context
First seen: May 27, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Social engineering attack on an employee account.
- Unauthorized access to a limited portion of IT system.
- Personal information of nearly 6 million individuals copied.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Retail Trade
Likely country: Location not provided
The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.
- Source type: outside the affected organization
- Source type: possible insider or internal misuse
Impact area: Confidentiality
Likely asset: User or customer data
- 2 signals in the same sector
- 88 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Substitute Notice May 27, 2026 - Carnival Corporationhttps://www.carnivalcorp.com/static-files/carnival-corporation-notice-of-data-breach-may-27-2026.pdfPublic source from carnivalcorp.com.
Biggest Cyber Attacks, Data Breaches, Ransomware Attacks of May 2026https://www.cybermanagementalliance.com/biggest-cyber-attacks-data-breaches-ransomware-attacks-may-2026/Public source from cybermanagementalliance.com.
'A serious matter:' Texas AG Ken Paxton launches investigation into Carnival Cruise Line data breach - WFAAhttps://www.wfaa.com/article/news/business/texas-ag-ken-paxton-investigation-carnival-cruise-line-data-breach/287-3474642b-5131-4029-923f-42714080922fPublic source from wfaa.com.
Substitute Notice May 27, 2026 - Carnival Corporationhttps://www.carnivalcorp.com/wp-content/uploads/2026/05/Website-Notice-Substitute-Notice-05.27.26.pdfPublic source from carnivalcorp.com.
The Data Breach Brief: Week of May 27th, 2026https://www.forthepeople.com/blog/data-breach-brief-week-may-27th-2026/Public source from forthepeople.com.
Data Breach Roundup (May 22 - 28, 2026)https://www.privacyguides.org/news/2026/05/29/data-breach-roundup-may-22-28-2026/Public source from privacyguides.org.
List of Recent Data Breaches in 2026 - Bright Defensehttps://www.brightdefense.com/resources/recent-data-breaches/Public source from brightdefense.com.
Carnival confirms data breach impacting nearly 6 million - Malwarebyteshttps://www.malwarebytes.com/blog/news/2026/05/carnival-confirms-data-breach-impacting-nearly-6-millionPublic source from malwarebytes.com.
Related signals
Grouped by why the signal is relevant.
Healthcare AI Company Xsolis Suffers Data Breach Impacting 1.4 Million Individuals
Healthcare AI company Xsolis disclosed a data breach affecting nearly 1.4 million individuals. The incident stemmed from a targeted phishing attack on January 20, 2026, which gave attackers unauthorized access to files containing sensitive patient information. The compromised data potentially includes names, dates of birth, Social Security numbers, health insurance details, and medical treatment records. Xsolis confirmed the incident has been contained and is notifying affected individuals, offering free credit monitoring.
French government messaging platform Tchap breached via compromised user account
DINUM, the French government's digital affairs directorate, warned that hackers breached Tchap, France's encrypted messaging platform for public sector workers, using a compromised user account. The incident was detected by ANSSI, after which the affected account was blocked and an investigation launched into what conversations and data may have been accessed. DINUM has notified France's data protection authority, CNIL, due to the potential exposure of personal data. A threat actor claimed responsibility, alleging they used social engineering to access an education-related account and scrape messages, account information, and files, including 13.5GB of data from the French tax authority and other civil servants.
French Government Messaging Service Tchap Breached via Hijacked Account
Tchap, the French government's encrypted messaging platform, suffered a data breach after a user account was compromised through social engineering. Attackers reportedly scraped 13.5GB of data, including 560,000 messages and information on over 73,000 accounts, such as email addresses, organization details, meeting links, and account and device metadata, from the French tax authority and other civil servants. DINUM, the digital affairs directorate of the French government, issued a warning about the incident. The breach was disclosed on June 12, 2026.
ServiceNow Discloses Security Incident Exposing Customer Data
ServiceNow disclosed a security incident on June 12, 2026, where customer data was exposed due to an unauthenticated API vulnerability. The company patched the vulnerability but did not provide specific details on the exact data impacted or the number of affected customers. ServiceNow instances typically store sensitive enterprise information, including IT support tickets, employee records, internal documentation, asset inventories, security incident reports, workflow data, and configuration details for corporate systems and services.
PChome's Pi Wallet Subsidiary Targeted by Settra Ransomware Group
The Taiwanese e-commerce giant PChome's subsidiary, Pi Wallet (拍付國際), confirmed receiving extortion messages from the Settra ransomware group. Settra claimed to have invaded PChome-related web pages and payment systems starting June 10, 2026, and published a 12-page 'penetration report' on the dark web. The group alleged to have stolen approximately 102GB of data, impacting around 3.5 million users. While PChome denied direct correlation with its parent company's core systems, Pi Wallet initiated a cybersecurity incident response, engaged security experts for system-wide testing and forensic investigation, and reported the incident to Taiwan's Ministry of Digital Affairs. The Ministry of Digital Affairs will conduct an on-site administrative inspection on July 1, 2026, to clarify the situation and ensure compliance with personal data protection regulations.
Malicious 'Edgecution' Extension Exploits Microsoft Edge Native Messaging for Ransomware Deployment
Security researchers reported on June 25, 2026, the discovery of a new malware campaign dubbed 'Edgecution,' which utilizes a malicious Microsoft Edge extension to deploy ransomware and a Python-based backdoor. The extension abuses the Native Messaging API to escape the browser sandbox and establish a persistent system-level executor. Attackers are reportedly using Microsoft Teams for social engineering, directing victims to fake 'Outlook Updates Management Console' websites to trick them into installing the malicious extension. This campaign is believed to be operated by an Initial Access Broker (IAB) linked to the 'Payout Kings' ransomware operation.
