US Maritime Transportation Security Act (MTSA) and USCG Cybersecurity Requirements C-650B: Control devices: approved hardware and software list, executable code off by default, asset inventory, network map

What does C-650B require?

Keep and enforce an approved list of hardware, firmware and software, disable applications running executable code by default on critical systems, maintain an inventory of network-connected systems marking critical IT and OT, and document the network map and OT device configurations.