Government website URLs:

1. National Highway Traffic Safety Administration (NHTSA) - https://www.nhtsa.gov/technology-innovation/automated-vehicles-safety
2. Federal Trade Commission (FTC) - https://www.ftc.gov/tips-advice/business-center/privacy-and-security/data-security/self-driving-cars-privacy-security

Online news sources with references about security issues of self-driving vehicles:

1. Forbes - “Self-Driving Cars: The Security Risks You Need To Know About” - https://www.forbes.com/sites/forbestechcouncil/2020/02/03/self-driving-cars-the-security-risks-you-need-to-know-about/?sh=5d7d7c5c6d5c
2. CNN Business - “Self-driving cars are coming. But are they safe?” - https://www.cnn.com/2019/03/18/business/self-driving-cars-safety/index.html