







TOKYO -- Leaks of personal information held by companies and other organizations have surged due to unauthorized access. The compromised data ranges f
Unauthorized access, personal data leaks surge in Japan | NHK WORLD-JAPAN News
A series of cyberattacks have led to leaks of large amounts of personal data from companies across Japan. Experts say the misuse of AI may be contributing to the growing threat. As this new challenge emerges, how should companies, and society as a whole, respond?
Japan data leaks mount as experts point to AI misuse
TOKYO -- Japanese companies and local governments have recently disclosed a series of personal data leaks. A white-hat hacker who monitors malicious c

Millions of users exposed as Japan data breaches continue to surge | The Asahi Shimbun Asia & Japan Watch
H2O Retailing Corp. is the latest major company among the many in Japan that are disclosing massive data breaches almost daily, which are exposing millions of customer records and revealing weaknesses in corporate cybersecurity.

3 hacking methods primarily used in Japan data leaks | NHK WORLD-JAPAN News
A Japanese cybersecurity organization says that hackers have primarily used three methods in a recent spate of attacks that resulted in personal data leaks.
Over 16% of Japanese companies experience data breaches
According to the survey, 30.2% of large companies suffered or potentially suffered breaches, significantly higher than 14.3% among small businesses.

Information and Communications in Japan 2024
Japan Cabinet OKs easing data protection law to promote AI development
TOKYO (Kyodo) -- Japan's Cabinet on Tuesday approved a bill to revise the personal data protection law, easing restrictions on using individual inform

IDMerit data breach: 1 billion records of personal data exposed in KYC data leak
A massive global data leak linked to IDMerit has exposed 1 billion personal records, including national IDs and emails, across the US, Europe, and Asia.

Japan relaxes privacy laws to make AI development easy
: Opting out of personal data use won't be an option because Minister says that's a 'very big obstacle' to AI adoption

Who owns your data?
A Supreme Court case about a bank robbery could redefine your digital rights.

Japan police panel urges remote phone analysis to fight anonymous crime groups
TOKYO -- A Japan police advisory panel has proposed the early introduction of remote analysis of smartphones used by anonymous, fluid crime groups, de

Japan’s police to monitor ‘tokuryū’ use of confidential messaging apps
The method involves remote-controlling smartphones and other devices of high-ranking tokuryū members to access communication records and other information.

I Asked 100 Companies for My Data. I Got Deletion Notices Instead
California residents have a legal right to access the data that companies collect about them. Actually exercising that right is a burdensome nightmare.

AU10TIX: records exposed security breach affecting major apps
An Israeli identity verification company suffered an attack that compromised the personal data of millions of users of popular apps.
Bill to ease data protection law for AI development clears Japan's lower house
TOKYO (Kyodo) -- A bill to revise Japan's personal data protection law passed the House of Representatives on Tuesday, paving the way for eased restri

I’ve long been critical of the weak cybersecurity in Japan, but this is specifically about the series of data leaks circa September/October 2026 (hoping it won’t go on for longer). This is unfortunately such a huge I Told You So moment for me. My spreadsheet (which may or may not be up to date but is in English): drive.proton.me/urls/VJ0WNH1SHR#v9W2jUCoBQTX
サイバー対応特設サイト - 国家サイバー統括室
第374回 個人情報保護委員会 |個人情報保護委員会

2026年度の情報漏えい被害、2.6億人を超える

High-stakes standoff between GMO and hacker group escalates with first data leak

GMO、顧客にパソコン電源オフを要請 27日正午に攻撃との脅迫受け

サイバー攻撃、サイト経由型が急増 弱点探索にAI活用か―セキュリティー大手:時事ドットコム