According to CNBC, North Korean IT workers have successfully infiltrated global cryptocurrency companies. This revelation was discussed by Sam Kessler of CoinDesk, who highlighted the extent of the infiltration and its implications for the digital currency markets. The infiltration by North Korean IT workers poses significant security risks and raises concerns about the integrity of the affected companies. The workers have managed to secure positions within these companies, potentially gaining access to sensitive information and systems. This development underscores the need for heightened security measures and vigilance within the cryptocurrency industry to prevent such breaches in the future.