An article on TechRepublic shows the best way to deter hackers, is to use SOLID password protocols in your business, and ENFORCE them, with penalties for failure to comply. The weakest links in security continue to be 1)common passwords, 2) short passwords, 3) re-used passwords, 4) shared passwords …if you want to get a good handle on security and deter hackers at the primary place of defense, and most likely, send them elsewhere; read these 2 articles: HOW TO DETER HACKERS  and OVER 1/3 PASSWORDS WEAK ENOUGH TO HACK .