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GS Retail credential-stuffing breach

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Made public · 1,660,153 people

What leaked7

Hard to replace

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

Permanent

  • Date of birth
  • Full name
  • Gender

To-dos4 · about 45 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. Register as an exposed person with the FSSabout 10 minLimits harm from: scam calls (opens in a new tab)
  3. Block new loans and cards in your nameabout 10 minLimits harm from: scam calls (opens in a new tab)
  4. Remove your address and phone from public profiles and tighten SNS privacyabout 20 minfreeLimits harm from: visits or contact at home

What happened next13 events

  1. Undetected 2 events197 days · show events
  2. Response 7 eventsNotice in 54 days · Back to latest
  3. RemedyNone on record
  4. Penalty 4 eventsFine ₩12.8B · show events
  5. DisputesNone on record

Response: 7 events

Back to latest
  1. Stronger login identity checks; information-protection committee with top management set up
  2. Apology posted on the website for the GS SHOP leak
  3. Texts sent to about 1.58 million GS SHOP customers whose data leaked
  4. Same attack on the GS SHOP website found only in February 2025; leaking continued after the first detection
  5. Company apology for the GS25 leak
  6. Announced a website hack exposing about 90,000 customers · GS25
  7. Attacking IPs blocked, customer accounts locked and pages showing personal data temporarily closed
Company
GS Retail
When it happened
–
Company detected it
Made public
Notice
Leak confirmed
Affected
1,660,153 people · 1,581,025 GS SHOP + 79,128 GS25; PIPC

How the facts developed

  1. Announced on January 6, 2025: about 90,000 customers affected (press). PIPC later found 1,581,025 GS SHOP and 79,128 GS25 members affected; 1,599 more people identified during its investigation were notified more than 72 hours after the leak was known

Sources