Friday 6 March 2020

Why behaviour-based IDS/IPS is more effective than traditional signature-based IDS/IPS

Imagine you could stop a person committing a heinous crime before they had even attempted to. Would you?

This may not be possible in the physical world, but using the LucidView approach, it most certainly is in the digital world.

Behaviour-based intrusion detection and prevention analyses traffic patterns and behaviour.  While this might sound like technical mumble-jumble, it’s not, and it's extremely effective at identifying behaviour that is anomalous or deviant and poses a security threat to your network and, more importantly, mitigating the intrusion prevention system vs.intrusion detection system.

Deviant is a psychological term. However, for the purposes of this article, its definition is spot on. Deviant behaviour refers to a behaviour that does not conform to social norms and values. Sociologists and psychologists will go on to list a number of signs that are used to determine deviant behaviour and categorise patients based on what is a socially accepted norm and what is not, and often, a diagnosis will be given and the patient treated. And while there are many debates as to the accuracy and methodology used here, the theory itself can be effectively applied when it comes to proactively protect your networks and devices from malware, ransomware, DDOS attacks and zero-day attacks.

Why is this definition important in terms of cybersecurity?  Well, imagine for a moment that we could watch a human being's behaviour in its very early stages, and conclude at that point this human has all the characteristics of a sociopath and will most likely turn to crime at a later stage, if not dealt with immediately.  We would be able to reduce crime proactively.

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