In network security, a noise floor is a baseline or an acceptable percentage of false positives (when the system cries wolf) and false negatives (when it misses an actual security event) from your security products. No monitoring solution is fool proof, so you will need to develop a method of sorting out the good, the bad, and the ugly in your network.
The hackers that infiltrated Neiman Marcus’ networks navigated their cyberspace for three-and-a-half months last year, setting off over 60,000 alerts in their network security solution1. How was this possible? The alerts amounted to about . . .
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