Network security. It's a bad dream and getting more nightmarish all the time. Aside from the mounting attacks by hackers, think also of how increasingly complex and far flung the territory is you must now defend. Sure, maybe you have your routers and switches out there on the ever moving perimeter
of your IT environment sniffing out and blocking the most obvious vermin heading your way. And likely you have firewalls up as the next line of defence, picking off the more insidious and harder to spot data packets from perdition. The more sophisticated among you will have a Network Intrusion Detection System (NIDS) doing deeper traffic analysis internally. It's looking at all your data darting to and fro for the really destructive stuff that either slipped passed your outer defences or that someone nasty is generating within.
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