usd AG protects companies against hackers and criminals. Its work is as dynamic and diverse as the threat itself. As an accredited assessor, usd AG advises and certifies companies worldwide according to the specifications of the credit card industry and other international IT security standards. The experts at usd HeroLab identify vulnerabilities in IT systems and applications. Its security consultants advise companies holistically on questions of information security, risk management, and IT compliance. The Cyber Security Transformation Academy (CST Academy) promotes exchange and knowledge transfer within the community. more security is the mission.