Analysis: The mastermind behind the Upbit hack should be the North Korean hacking group Lazarus Group.

BlockBeats News, November 28, CryptoQuant CEO Ki Young Ju commented on the "Upbit Hack Incident," stating that Upbit mentioned the attacker may have inferred the private key by analyzing user wallet address patterns. If this is indeed the case, only the North Korean hacker group Lazarus Group is likely to possess this capability.