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Arcadia SpeeCAN RAIDEN possible data leak

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Made public · 3,136,000 email addresses at most

What leaked7

Hard to replace

  • Mobile number
  • Home or delivery address
  • Email address
  • Other profile data

Permanent

  • Date of birth
  • Full name
  • Gender
  • Date of birthNET119 users only
  • Mobile numberphone and fax numbers · the notice does not say mobile or landline
  • Home or delivery addressNET119 users only
  • Email addresscontacts registered in SpeeCAN RAIDEN and Raiden School mail services; NET119: 9,020 addresses; 119RAIDEN: about 97,000
  • Full namenames of contacts
  • GenderNET119 users only
  • Other profile datacontract details and the text of messages kept in the sending history; NET119: details entered when registering for other services

To-dos4 · about 50 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
  4. Use an authenticator app or passkey instead of SMS codesabout 20 minfreeLimits harm from: SMS code theft

What happened next13 events

  1. Undetected 2 events0 days · Back to latest
  2. Response 11 eventsNo individual notice on record · show events
  3. RemedyNone on record
  4. PenaltyNone on record
  5. DisputesNone on record

Undetected: 2 events

Back to latest
  1. System monitoring flagged abnormal database load and the intrusion was detected
  2. Intrusion began
Company
Arcadia Inc.
When it happened
Company detected it
Made public
Notice
Possible leak
Affected
3,136,000 email addresses at most · estimate; plus about 105,000 phone and 15,000 fax numbers in SpeeCAN RAIDEN, and NET119 and 119RAIDEN data

How the facts developed

  1. NET119 and 119RAIDEN found affected too; NET119 data includes date of birth, gender and address (9,020 email addresses, fixed on October 16, 2026)
  2. First notice: SpeeCAN RAIDEN data possibly leaked, up to about 3,136,000 email addresses (estimate)

Sources