Threats scanned
Norton Antivirus scans your computer continuously to protect it. It stops any virus from entering your computer and asks you permission to allow it in. It immediately isolates any virus that could cause harm and alerts you. It also protects you against infection when you use instant messaging programs.
Norton is Automated
Norton Antivirus runs automatically and starts as soon as your computer turns on. It protects you from malicious websites and applications.
Continual Updates
Software is constantly updated. This means that any new viruses released on the Internet are immediately caught before they can cause damage to your computer.
Norton AntiVirus Features:
Online protection
Norton AntiVirus blocks malicious URLs to keep you safe when browsing the internet. Norton antivirus is free.
Smart firewall
Norton AntiVirus Firewall prevents unwelcome access to files by notifying you when suspicious programs attempt to connect to the Internet.
Source: https://sites.google.com/view/gethumanhelptech/blog/how-effective-is-norton-antivirus