Slow Pisces, a North Korean state-sponsored threat group, has stolen over $1 billion from the cryptocurrency sector in 2023 by targeting developers through disguised job offers on LinkedIn. They use malware hidden within coding challenges and have been linked to significant thefts from cryptocurrency companies, prompting action from GitHub and LinkedIn to remove malicious accounts. The malware employs advanced techniques like YAML deserialization to evade detection and execute additional payloads.