Norton AntiVirus 19.1.0.28

Norton AntiVirus defends your PC against detected viruses, spyware, bots, worms, and more while minimising the performance impact or getting in your way.
The improved Norton Protection System features multi-layered protection technologies that work together to proactively block attacks and detect and remove threats before they can harm your PC.
Pulse Updates every 5 to 15 minutes and real-time online security checks help ensure continuous, up-to-the-minute protection against the latest threats.
New SONAR 2 (Symantec Online Network for Advanced Response) technology monitors your PC for suspicious behavior to help detect and eliminate the latest breaking threats.