PNT systems are designed to provide accurate position and time while in uninterrupted or uncontested environments. However, while in these interrupted or contested environments, most PNT systems are unable to reliably provide position and time data because they are unable to recognized what is causing the disruption. BroadShield is a software library consisting of many patented algorithms designed to detect jamming and spoofing then immediately report the disruption to the PNT system. Leveraging this information enables the PNT system to take action to mitigate and protect from the jamming or spoofing.