Bithumb Says Intruder Took Personal Data From Internal Employee App, Trading Unaffected

South Korean crypto exchange Bithumb reportedly confirmed on Oct. 28 that an unauthorized outsider got into its in-house mobile groupware , the app staff use for work and internal messaging, and that personal information leaked from it. The exchange detected the access on Oct. 27 and reportedly notified the Korea Internet & Security Agency and the Personal Information Protection Commission that day. A Bithumb spokesperson told Korean outlets that the data identified so far belongs to employees , and iNews24 reported it included names, email addresses and phone numbers. Bithumb reportedly said it has not ruled out that customer data was also involved and is still working out the exact scope. It has not said how many people were affected or how the intruder got in.

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