Getting physically fit is a typical New Year’s resolution. Given that most of us spend more time online than in a gym, the start of the new year also might be a great time to improve your security “fitness.” As with physical fitness challenges, the biggest issue with digital security is always stagnation. That is, if you don’t move and don’t change, atrophy sets in. In physical fitness, atrophy is a function of muscles not being exercised. In digital fitness, security risks increase when you fail to change passwords, update network systems and adopt improved security technology. Before long, your IT systems literally become a “sitting duck.