Dunamu is a organization tracked across 5 threat clusters and 10 intelligence report mentions on ThreatCluster. First observed November 28, 2025; most recent activity July 19, 2026.
South Korea's Financial Supervisory Service (FSS) has initiated sanction procedures against Dunamu, the operator of Upbit, following a $30 million hack that occurred on November 27, 2025. The breach involved the theft…
Upbit, a South Korean cryptocurrency exchange, admitted to a serious vulnerability that could have allowed attackers to infer private keys following a $30 million hack. CEO Oh Kyung-seok of Upbit's parent company,…
South Korean authorities suspect that North Korea's Lazarus Group was behind a hack of Upbit, resulting in losses of approximately $30.4 million. The breach involved unusual activity in Solana tokens and led Upbit to…
Upbit, South Korea's largest cryptocurrency exchange, experienced a significant hacking incident on November 27, 2025, resulting in the loss of assets valued at approximately 54 billion won (US$36.9 million). The attack…
The National Police Agency's Cyber Terror Investigation Unit has initiated a formal investigation into the hacking of virtual assets valued at KRW 44.5 billion from Upbit, Korea's largest virtual asset exchange. The…