As in any field, there are many notions regarding computer/network security that we’ve all heard a million times, but that aren’t necessarily true (or maybe they were true once, but things have changed and they’re now hopelessly outdated). This slideshow illustrates some of the myths, misconceptions and just plain dumb ideas surrounding security, according to security consultant Charges Pfleeger. Check them out and see whether you agree or disagree:
http://www.eweek.com/c/a/Security/Top-10-Dumb-Computer-Security-Notions-and-Myths-740587/