It's an old cliche that most of the risks in information security come from within - you are more likely to be damaged by an ignorant or disgruntled employee than an outside hacker. But the point has taken on new force with the recent growth of instant messaging (IM) in the workplace. It seems that, all of a sudden, employees have discovered a whole new way to communicate which is faster and more immediate than email, and less trouble than using the phone. IM is the new way for workmates to chat while apparently carrying on with the rest of their work. And, so far, it is pretty much unregulated, unprotected and open to all the same security dangers that we thought we locked down with email.
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