The European Union's new Euro 7 emissions standard, effective from November 2024, introduces mandatory cybersecurity requirements for vehicles sold in the EU. These rules aim to prevent data tampering and protect sensitive information, particularly concerning emissions and battery data. This shift addresses past scandals like "Dieselgate" and the growing cyber threats from connected and electric vehicles. The requirements compel manufacturers to conduct risk assessments and demonstrate secure software development to ensure data integrity for regulatory compliance.