The early detection of cyber threats has long been one of the biggest goals for the IT security sector. The rapid evolution of the different types of cyber-attacks has rendered the traditional detection systems helpless to differentiate between, and detect, attack such as advanced persistent threats (APT), which are digital attacks directed at certain systems over a large period of time.
APTs as an example of a problem
Network intrusion detection systems (NIDS) try to discover unauthorized access to certain resources on the network by analyzing the data traffic to detect signs of malicious activity. Until now they have been effective in their defense against traditional cyber threats such as DoS attacks (Denial of Service), Trojans, buffer overflow, etc.
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