Shanton Chang, Associate Professor in Information Systems at University of Melbourne, says "Going online without understanding the basics of how the internet works is like getting behind the wheel without knowing the road rules: you might still get where you’re going, but you could be a danger to yourself and those around you.":
While I don't expect you'll read Shanton's article, as Shanton says; "At a certain point, we need to take personal responsibility and educate ourselves about how to use the internet safely."
So PLEASE do yourselves a BIG favour if you haven't already done so and at least skim through the two posts I'm been maintaining on the very basics you should know to keep yourselves safe online:
Online Security Starts with YOU!
Is your computer/phone/tablet secure?
And here's a bonus:
10 tips for spotting a phishing email