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Hollys Coffee Membership Data Breach Exposes Customer Information

Hollys Coffee Membership Data Breach Exposes Customer Information

First seen 18 Oct 2026, 11:08 UTC • •
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ThreatCluster AI
ThreatCluster •October 18, 2026 at 12:08 UTC
  • •Hollys Coffee confirmed a data breach affecting customer membership information.
  • •Compromised data includes sensitive information like passwords and addresses.
  • •Customers are urged to change passwords and remain vigilant against phishing.

Hollys Coffee, a South Korean coffee franchise, confirmed a data breach affecting its membership system, which exposed personal information of customers who joined before February 11, 2020. The breach was confirmed on October 16, 2026, and is believed to have occurred between September 3 and October 7, 2026. Compromised data includes user IDs, passwords, names, dates of birth, phone numbers, addresses, and email addresses. The company has blocked unauthorized access and enhanced security measures while cooperating with investigations. Customers are advised to change their passwords immediately and to be cautious of phishing attempts. The exact number of affected customers has not been disclosed, raising concerns about potential identity theft and fraud. Hollys Coffee's mobile app and website remain inaccessible as of October 18, 2026.

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Timeline

2026-10-16
Breach confirmed by Hollys Coffee
Hollys Coffee confirmed unauthorized access to its membership system, leading to a data leak.
Biz.Chosun
2026-10-18
Hollys Coffee advises password changes
Customers are advised to change their passwords immediately due to the data breach.
Finance.Biggo

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Common questions

Who is affected by the breach?
Customers who joined the Hollys Coffee membership program before February 11, 2020, are affected.
What information was leaked?
The leaked information includes user IDs, passwords, names, dates of birth, phone numbers, addresses, and email addresses.
What actions should customers take?
Customers should immediately change their membership passwords and be cautious of phishing attempts.