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Security · Updated 28 Oct, 10:15 pm IST

Sony ISP subsidiary breach exposed 2.58 million customer records

Image: BleepingComputer

Why it matters for readers: This explains what types of personal data were exposed, and why you should change passwords and watch for phishing.

  • The breach affected 2,585,481 records across So-net and plala (S Course) services, including names, phone numbers, emails, user IDs, dates of birth, gender, and Internet Connection IDs.1
  • An additional 54,401 email addresses from several email services were exposed along with account passwords, and the company advised users to change passwords.1
  • Sony Network Communications detected the incident four days after the October 19 access, then shut down compromised servers and blocked external communication.1
  • NTT Docomo, which contracts Sony Network Communications to provide Docomo Hikari services, notified customers because 443,495 plala records were included in the exposed data.1

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