I've been reading about these security armageddon things for decades and don't bother about them, never used a virus thingy, only ever used zonealarm pro firewall.
Did get something annoying years ago from an advert but that roll-back to a couple of days before option in XP fixed it
I think if you visit porno sites, or you're running a multi-pooter business, or an internet website, these things matter and are a definite risk, but for me as someone who visits about 10 basic sites they've never been an issue
The scaremongering industry is very profitable, always has been
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edit: keeping a low profile nowadays is the way to go IMO.
Everything you do is recorded at the ISP level and new employers want to see your internet profile/s nowadays so they can look at your life in detail, so a virtually non-existent internet profile simplifies things.
Edited By Ady1 on 24/01/2017 01:26:41