Nashville-based Phosphorus Cybersecurity, which helps businesses monitor and patch vulnerable IoT devices, raises a $38M Series A (Tim Keary/VentureBeat)

Tim Keary / VentureBeat: Nashville-based Phosphorus Cybersecurity, which helps businesses monitor and patch vulnerable IoT devices, raises a $38M Series A  —  Today, Nashville, Tennessee-based internet of things (IoT) security startup, Phosphorus Cybersecurity, announced it had closed a $38 million series …