LY Corporation security incident history
Hacking, data breaches and other security incidents involving LY Corporation, with related coverage.
LY Corporation leaks 7.1 million user identifiers from three games
7.1mImpact: 7.1 million user identifiers
7.1 million user identifiers were leaked from three LY Corporation mobile games, including Pokopoko. The data was mistakenly sent to advertising platforms. LY Corporation apologised for the leak.
Related reports: 4 · last report →LY Corporation cyber-attack leaks 440,000 personal data records
440kImpact: Leak of 440,000 personal information records
440,000 records of personal information were leaked at LY Corporation, the operator of LINE. A cyber-attack targeting a South Korean company led to the leak of LINE user information and was described as an attack exploiting supply chain vulnerabilities. Banking information was not leaked.
Related reports: 4 · last report →Intrusion via shared authentication system leaks LINE Yahoo personal data
510kImpact: About 510,000 cases of personal information
Unauthorised access to LINE Yahoo's internal systems led to a leak of personal information. The attack began with a malware infection on a PC belonging to an employee of a NAVER Cloud subcontractor and proceeded through a shared authentication system. The scale of the leak was initially reported at about 400,000 cases and later at 510,000, and the LINE Yahoo president apologised.
Related reports: 12 · last report →