Bithumb security incident history
Hacking, data breaches and other security incidents involving Bithumb, with related coverage.
Bithumb groupware hack exposes data of 1,559 customers and staff
1.6kImpact: Personal data of 1,559 people exposed, including 844 customers and 715 employees and partner company staff
Bithumb announced a breach of its internal mobile system and a personal data leak on 28 October. Files containing information on 6,444 customers and 715 employees and partner company staff were exfiltrated through an intrusion into Daou Office, but data on 5,600 customers was encrypted, bringing the confirmed number of people whose personal data was exposed to 1,559, including 844 customers. Some customers' resident registration numbers, bank account numbers and copies of identification documents were exposed, and Bithumb's chief executive apologised and pledged assistance and compensation for those affected.
Related reports: 148 · last report →Court rules no legal basis to punish Bithumb customer data leak
A court ruled that the Bithumb customer data leak could not be punished as there was no applicable legal provision. The timing of the leak, its scale and any follow-up measures have not been confirmed.
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