{
  "id": 18135671,
  "title": "Over 1 Million MUJI Cards May Have Leaked in Cyberattack",
  "url": "https://urgent.news/2026/11/04/over-1-million-muji-cards-may-have-leaked-in-cyberattack",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-11-04T14:28:10.000Z",
  "source": {
    "name": "News On Japan",
    "slug": "news-on-japan",
    "url": "https://newsonjapan.com/article/151251.php"
  },
  "original_language": "en",
  "account": "On November 4, Ryohin Keikaku, operator of MUJI stores, announced that personal data of approximately 1.09 million MUJI Card members may have been compromised in an unauthorized access incident. The leaked information included credit card numbers, though security codes and cardholder names remained untouched. Denny's restaurant chain also reported a potential data breach, disclosing email addresses, dates of birth, and other personal details of users of an outdated Denny's app version. Meanwhile, a fire broke out at Narita Airport's Terminal 1 shortly after 7:30 AM, with no injuries reported. Typhoon No. 31 approached the Ogasawara Islands, bringing storm-force winds and waves over 5 meters high. A memorial service in Tokyo honored police and security dogs that served in various capacities. Kyoto's Sagano Romantic Train, popular among foreign tourists, saw increased attendance during its final autumn season before retiring in 2026. Kyoto City planned stricter regulations for private lodging, citing noise and disruptive tourist behavior complaints. The Nikkei 225 Stock Average closed at 62,188.63, falling 1.42% following U.S. midterm election-linked selling pressure. A Japanese cybersecurity expert uncovered potential evidence suggesting the hacker behind a GMO Internet Group attack may be based in Asia. An abandoned house in Osaka collapsed, highlighting a loophole in Japan's vacant property regulations. The Bank of Japan confirmed Japan's underlying inflation rate had reached the 2% target, ending a prolonged deflation period. GMO Internet Group President Masatoshi Kumagai apologized for a security lapse in their investor-oriented cloud service, admitting to earlier warnings that were not adequately addressed. Japan's Nikkei 225 Stock Average dropped 0.33%, closing at 63,081.86, as memory chipmaker Kioxia Holdings' decline and US tech stock uncertainty overshadowed semiconductor equipment gains.",
  "summary": "Personal information belonging to approximately 1.09 million MUJI Card members may have been leaked following unauthorized access, Ryohin Keikaku, the operator of MUJI stores, announced on November 4, while restaurant chain Denny's also reported a possible data breach involving customer information. (News On Japan)",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}