The PhysiCAN SnS GRIP Tester from Sital Technology is a portable USB board that is based on the company's patented Safe and Secure (SnS) technology for CAN bus data buses. By means of enhanced physical layer monitoring, Sital’s SnS continuous fault monitoring enables detection and location of intermittent open-circuit and short-circuit faults in cables, connectors, bus terminators, and connected ECUs. It comes with an app, a graphical user interface (GUI) tool, for real-time CAN bus physical layer fault monitoring and cybersecurity. The app uses the PhysiCAN SnS GRIP to detect and locate intermittent or continuous electrical faults and indicate its findings as notifications on a diagram of the monitored CAN bus’s topology.