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Recruit Carsensor and C-MATCH possible data breach

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Made public · 3,709,551 records at most

What leaked9

Hard to replace

  • Bank account number
  • Mobile number
  • Home or delivery address
  • Email address
  • Other profile data
  • Username

Permanent

  • Full name
  • Gender
  • Partial date of birth or age
  • Bank account numberdirect-debit account details of sole-proprietor dealers
  • Mobile numberphone and fax numbers of 799 Carsensor users and of dealer contacts · the notice does not say mobile or landline
  • Home or delivery addressfor Carsensor users mostly city or ward only; up to 447,670 records may hold a full street address; business addresses of sole-proprietor dealers
  • Email address799 users who contacted a dealer, 4 reviewers, and staff and partners
  • Gender33,247 Carsensor users
  • Other profile datainquiry contents · 33,247 + 799 users; dealers' second-hand dealer licence number and licence holder; an internal management ID in every record
  • Partial date of birth or ageage band, 33,247 Carsensor users
  • Usernamelogin IDs of C-MATCH dealers, staff and partners

To-dos3 · about 30 min in all

  1. Know the scam pattern: calls and texts that cite these leaked detailsabout 5 minfreeLimits harm from: scam calls, phishing messages
  2. Turn on instant transaction alertsabout 5 minHelps you notice: scam calls
  3. Remove your address and phone from public profiles and tighten SNS privacyabout 20 minfreeLimits harm from: visits or contact at home

What happened next5 events

  1. UndetectedNone on record
  2. Response 5 eventsNo individual notice on record · show events
  3. RemedyNone on record
  4. PenaltyNone on record
  5. DisputesNone on record
  1. Opened a dedicated inquiry page
  2. Announced that up to 3,709,551 records may have leaked
  3. Suspended all Carsensor-related services including the app and C-MATCH
  4. Detected suspicious access to Carsensor-related systems
  5. Sent a preliminary report to the Personal Information Protection Commission
Company
Recruit Co., Ltd.
Company detected it
Made public
Notice
Possible leak
Affected
3,709,551 records at most · 3,210,421 Carsensor users who contacted a dealer, 5,289 reviewers, 483,168 C-MATCH dealer records, 10,673 staff and partners

Sources