In I’ve Been Hacked! What Do I Do Now?, computer forensics expert witness Steven G. Burgess, Burgess Consulting and Forensics, writes:
It’s not really possible to be online and be 100% protected from hacking, but there are numerous measures you can take to make it not worth most anyone’s time. They include:
DO use effective passwords. A good guide is at the Perfect Passwords page at Gibson Research Corporation’s website.