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Data breach

Flybit groupware hack exposes 40 customers' personal information

First reported · Last reported · 17 related reports

On November 1, unauthorized external access to cryptocurrency exchange Flybit's internal groupware, DaouOffice, exposed the personal information of 40 customers. Names, resident registration numbers, contact details, and some tax-related information were exposed in email attachments related to tax authorities' requests for taxpayer information. Flybit is operated by Korea Digital Exchange.

Key facts

Affected organization
Korea Digital Exchange
Incident type
Data breach
Occurred / detected
2026-11-01
Scale of damage
Personal information of 40 customers
Cause / method
Email attachments exposed through unauthorized external access via groupware supplied by Daou Technology
Location
South Korea

If your data was exposed

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Exposed dataNameNational ID numberPhone number

  1. Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.
  2. Block new mobile phone activations in your name, and register with the Financial Supervisory Service as a person whose personal data was exposed to strengthen identity checks on financial transactions in your name. If a copy of your ID was leaked, consider having it reissued.Identity theft prevention service (M-Safer) ↗Personal data exposure accident prevention system ↗
  3. If you’ve suffered harm, report it. Call 118 (no area code) for privacy violations, contact the police for financial losses, and apply for dispute mediation to seek compensation.Personal Information Infringement Report Center ↗Korean National Police Agency cybercrime report ↗Personal Information Dispute Mediation Committee ↗

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Timeline

  1. Unauthorized external access through internal groupware exposed customers' personal information.
  2. The exposure of 40 customers' names, resident registration numbers, contact details, and some tax-related information became known.

17 related reports

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.