One of These Things is not Like the Others: The State of Anomaly Detection
This excerpt, from the well-known 1993 report Packets Found on an Internet, was written nearly nine years ago. As we all know, times have changed. Today, such "bugs", are likely part of an attempt to breach network security. The investigation of strange packets, the cited paper's topic, is now quite common. We know it as intrusion detection. In the past few years, intrusion detection systems have joined firewalls as the fundamental technologies driving network security. In the near future, a third component will emerge - anomaly detection.
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