# Videos
360 in 180: A Multilayered Approach to Addressing PNT Vulnerabilities Part II
We interview John Fischer, our VP of Advanced R&D, on PNTPosition, Navigation, and Timing: PNT and map data combine to create the GPS service. Vulnerabilities. In Part II, we ask John “What types of risks may be associated with GPSGlobal Positioning System is a navigation satellite system. See also vulnerabilities?”, “What is a real-world example of a GPS vulnerability?”, and “How can we address this problem?”.