Seoul has confirmed that North Korean hackers were responsible for the 2019 Ethereum heist. The cyberattack targeted the popular cryptocurrency Ethereum, resulting in a significant amount of funds being stolen. The South Korean government has identified the hackers behind the attack as coming from North Korea, further highlighting the ongoing cyber threats posed by the reclusive nation. The Ethereum heist serves as a reminder of the importance of cybersecurity measures in protecting digital assets from malicious actors.