The International Civil Aviation Organization (ICAO) is investigating a data breach that resulted in the unauthorized access and leak of sensitive data, including personal information of 42,000 individuals. The hacker, known as “Natohub,” is offering the stolen data for sale and has a history of targeting high-profile organizations like the US Department of Defense and the United Nations. ICAO, responsible for regulating global civil aviation standards, is assessing the extent of the breach and enhancing cybersecurity measures to protect affected individuals.