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Nojima Online member data breach

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Made public

What leaked8

Replaceable

  • Password

Hard to replace

  • Mobile number
  • Home or delivery address
  • Email address
  • Username

Permanent

  • Date of birth
  • Full name
  • Gender
  • Passwordencrypted password
  • Mobile numberphone number · type not stated
  • Home or delivery addresswith postcode
  • Full namein kanji and kana
  • Usernamelogin ID

To-dos6 · about 1 h 30 min in all

  1. Change the leaked password everywhere you reused itabout 30 minfreeStops: account takeover
  2. Know the scam pattern: calls and texts that cite these leaked detailsabout 5 minfreeLimits harm from: scam calls, phishing messages
  3. Use an authenticator app or passkey instead of SMS codesabout 20 minfreeLimits harm from: account takeover, SMS code theft
  4. Turn on instant transaction alertsabout 5 minHelps you notice: scam calls
  5. Turn on two-step sign-in for email and bankingabout 15 minfreeLimits harm from: account takeover
  6. Remove your address and phone from public profiles and tighten SNS privacyabout 20 minfreeLimits harm from: visits or contact at home

What happened next6 events

  1. Undetected 2 events0 days · show events
  2. Response 4 eventsNo individual notice on record · show events
  3. RemedyNone on record
  4. PenaltyNone on record
  5. DisputesNone on record
  1. Apologised in the notice
  2. Consulted the local police by the notice date
  3. Paused both sites by the notice date
  4. Notice: about 7 million member records leaked
  5. Detected unauthorised access to the Nojima Online member system; member data leaked the same day
  6. Intrusion began
Company
Nojima
When it happened
–
Company detected it
Made public
Notice
Leak confirmed
Affected
about 7 million member records, Nojima Online and its used smartphone buy-back site, closed accounts not included · company notice, which lists them as the number of people

Sources