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Pen Testing or Penetration Testing

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A means of security evaluation where automated tools and manual exploitations are performed by security and attack experts. This is an advanced form of security assessment that should only be used by environments with a mature security infrastructure. A penetration test will use the same tools, techniques and methodologies as criminal hackers, and thus, it can cause downtime and system damage. However, such evaluations can assist with securing a network by discovering flaws that are not visible to automated tools based on human (i.e. social engineering) or physical attack concepts. (Also known as penetration testing or ethical hacking.)