Cyber Monday is the day to watch when the masses turn on their office computers and, instead of working, storm the online marketplace for holiday gifts. The worry is that hackers are lying in wait, ready to break into retail networks and steal customer credit card numbers. CSOonline reached out to physical and IT security experts and gathered up the following 11 tips to help ensure a more effective defense. The less cash you keep lying around, the smaller the payday for any potential robber, says loss prevention manager of one of the largest department stores.”]