Network Security And Security Assessment

1194 Words Jun 13th, 2016 5 Pages
Network Security Assessment
Network Security is a very dynamic and technical field dealing with all aspects of scanning, hacking and securing systems against intrusion. It is more than just encrypting user data, virtual private networks or installing firewalls. Network security consists of the provision, policies adopted by a network administrator to prevent and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources (Xie, 2013).
Network Security assessments are carried out by ethical hackers, to find vulnerabilities in the system’s security that would enable a malicious hacker or intruder access to the network. An Ethical hacker is a security professional that performs pen tests by using software tools and techniques as malicious hackers. Their goal is to exploit vulnerabilities in a system or network to find weakness in one or more if the four elements of security. There are five distinct phases in ethical hacking:
Phase I: Reconnaissance: This involves gathering information about a potential target without the targeted company’s knowledge.
Phase II: Scanning – This phase involves taking the information discovered during the reconnaissance and using it to examine the network.
Phase III: Gaining Access – It is during this phase where the vulnerabilities of the system are exploited to gain access to the target system.
Phase IV: Maintaining Access – With access to the system, the hacker then secures their access for…

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