In Catering it is a Crime to enter a restaurant and order a meal, with the intention of not paying for the items that you consumed.
In Garage terms, there are many who will not release your car until you have paid the Bill. Try getting Fuel on tic while driving down the Motorway.
I have never tried this but, try walking out of a supermarket without making any attempt to pay for the items in your bag.
I think that "helpinghand" may have a point but I don't think that the lack of security in your own network would suffice as proof that you personally did not down-load the Software and you would definitely be Vicariously responsible for the download.