Upbit security incident history
Hacking, data breaches and other security incidents involving Upbit, with related coverage.
Upbit hack causes 44.5 billion won in losses
Impact: 44.5 billion won
Upbit, operated by Dunamu, suffered a hack causing 44.5 billion won in losses. Dunamu moved to respond to the cyber intrusion incident. The Financial Supervisory Service completed its inspection of the incident and sent an inspection opinion to Dunamu, launching sanction proceedings.
Related reports: 7 · last report →Upbit hack leads to abnormal withdrawal of 44.5 billion won in crypto
Impact: 44.5 billion won in virtual assets
In November 2025, a hack at Upbit led to the abnormal withdrawal of 44.5 billion won in virtual assets. Upbit suspended deposits and withdrawals and said it would fully cover the affected assets, while financial authorities launched an on-site inspection. Upbit later froze 2.6 billion won of the stolen assets using its in-house on-chain tracking system, and in June 2026 it was confirmed that the company had paid 790 million won in compensation related to the hack.
Related reports: 49 · last report →342,000 ether stolen in Upbit hack
Impact: 342,000 ether, worth about 58 billion won at the time
In 2019, 342,000 ether, worth about 58 billion won at the time, were stolen from Upbit. In November 2024, police announced the results of their investigation, concluding that the North Korean hacking groups Lazarus and Andariel were responsible. Some of the assets were recovered through cooperation with Switzerland.
Related reports: 4 · last report →