The operating environment of the appeared properly guarded with a number firewalls protecting the networks from any intrusion by unauthorized parties. In addition, the Apache web browser equally appeared to be working normally with the computer’s operating system, thereby enabling a smooth operation of softwares and hardwares. In addition to the security and protection of the system from unwarranted access by outsiders, the system administrator also had anti-virus softwares in place, particularly installed to detect any malware intrusion from hackers and cyber criminals.
In this regard, it was apparent that the system was somewhat secure from unwarranted access by unauthorized persons. However, there was still necessity to undertake a vulnerability scan of the system to ensure it was foolproof. As such, we engaged the services of vulnerability scanners to identify any loopholes in the system. Performing a vulnerability scan enables the system administrator to assess the weaknesses in computers and computer systems, as well as in their networks and applications. Therefore, vulnerability scans can be conducted as part of vulnerability management of the system by those in charge of protecting the system from intrusion, or by black hat attackers working to gain unwarranted access to the network systems.
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System vulnerability refers to a weakness in computer security whereby an attacker can take advantage of to access the system through reduction of the information assurance of the system. In this regard, the vulnerability scan intersects three major elements of computer systems, which are a system flaw of susceptibility, attackers’ access to the flaw, and the capability of the attacker to exploit the flaw. In this regard, the system administrators can employ a number of vulnerability scanners in assessing the flaws of the system. Examples of good vulnerability scanners that can be used to assess the susceptibility of the system include Vega scanners and Nessus scanners.
Nessus and Vega scanners are remote security tools used in scanning the system. As such, they scan the computers and network systems to identify vulnerabilities and raise an alert in the event they stumble upon any vulnerability in the system that malicious hackers and cyber criminals can exploit to gain access to any computer system connected to a network. Other vulnerability scanners include OpenVas, Retina CS Community, Microsoft Baseline Security Analyzer (MBSA), Nexpose Community Edition, SecurityCheq, and Qualys FreeScan. Examples of vulnerabilities unearthed during the vulnerability scan include security misconfiguration, broken authentication and session management, sensitive data exposure, buffer overflows, and injection vulnerabilities.
