North Korea's Reconnaissance General Bureau (RGB) unit, UNC4736, impersonated a contractor and orchestrated a $50M hack on Radiant Capital.The attack involved the use of advanced malware, INLETDRIFT, which was delivered through a phishing attack on an employee.This incident highlights the vulnerability of DeFi platforms to malware and social engineering attacks, raising concerns about their security.The hack emphasizes the urgent need for DeFi systems to enhance their security measures and collaborate with cybersecurity firms.