LY Corporation (LINE Yahoo) Data Breach
On October 9, 2023, Japanese internet and messaging operator LY Corporation (LINE Yahoo, lycorp.co.jp) experienced unauthorized access to its internal network after malware infected a subcontractor computer at NAVER Cloud sharing an authentication system.
Exposed Data Types
5- Names
- Email addresses
- Phone numbers
- IP addresses
- User IDs
About This Breach
Disclosed on November 27, 2023, and updated in February 2024, the breach exposed approximately 519,000 personal data records belonging to LINE users, business partners, and employees, including internal user identifiers, full names, email addresses, phone numbers, and IP addresses.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
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