Which of the following is a legal obligation for drivers regarding passenger data?

Protecting passenger privacy and confidentiality is a legal obligation for drivers. This duty is grounded in the need to ensure that personal information provided by passengers is safeguarded and used responsibly. Drivers must handle data in compliance with data protection laws, which emphasize the importance of confidentiality and security when it comes to sensitive personal information.

In the context of the private hire car industry, this means that drivers should not disclose personal information to unauthorized parties and should implement necessary measures to protect such data. This commitment to privacy builds trust between drivers and passengers, ensuring a safer and more secure environment for everyone involved.

The other options highlight practices that may not meet legal standards or ethical expectations. Sharing data with other ride-sharing apps breaches confidentiality, collecting excessive personal information may violate privacy laws, and storing data indefinitely disobeys principles of data retention, which require data to be kept only for as long as necessary to fulfill its purpose.