Security and Virus' are both highest on my list of 'things to do', and that leads me into asking the following question.
'Did you read the "Acceptable Use Policy" when you signed up for your internet account?'
My internet provider publishes their 'AUP' and during sign-up asks if you have read it. Some of the prohibited items are listed below.
(some may say "Do I care ?")
Others may realize that if they are being hacked, they have the right to complain, and have the 'abusers' account cancelled.
Communicating hatred
Pyramid selling
Unauthorized use of a computer
Mischief in relation to data
Fraud
Obscenity
Child pornography
Posting, uploading, reproducing, distributing or otherwise transmitting unauthorized or unsolicited commercial e-mail, junk or bulk e-mail, chain letters, or other "spam"
Engaging in threats, harassment, intimidation, stalking or abuse of others
Scanning another computer system
Probing another computer system
Obstructing or bypassing computer identification procedures
Engaging in unauthorized computer or network trespass
Exporting equipment, software, or data outside of Canada or the U.S. in contravention of applicable export control legislation