Let’s say, you just borrowed a pendrive from a friend. You may not have been aware of the number of harmful pages that he has downloaded on his device. An antivirus software alerts you in such instances, so you know that you shouldn’t open such pages in order to keep your system protected.
On the other hand, if you’re the kind that tends to browse the Web a lot, an internet security software would be ideal for you. This software protects your system from getting affected by harmful pages from the Internet. So, if you’re someone who opens a lot of web pages, internet security software would be very important for you.