Ensuring security and data protection goals such as confidentiality, integrity/authenticity, anonymity or pseudonymity, unobservability, etc. also and especially plays an important role in the handling of audio and video data inside and outside vehicles - whether in the processing and recognition of speech in the vehicle, person recognition, training and use of AI-based acoustic event recognition, or in the secure transmission and media data and associated metadata. By using IT security standards, cryptography and so-called privacy enhancing technologies (anonymization, differential privacy, homomorphic encryption), these goals can be realized.