![Washington, D.C., Metro subway transit station cybersecurity](https://cyberscoop.com/wp-content/uploads/sites/3/2019/02/GettyImages-1026288220.jpg?w=255)
D.C. Metro system beefs up supply-chain cybersecurity provisions for new railcars
U.S. senators have raised security concerns about a new Metro railcar project. The NIST cybersecurity framework will be part of the process now, the transit authority says.