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Network auditing is the collective measures done to analyze, study and gather data about a network with the purpose of ascertaining its health in accordance with the network/organization requirements.
Network auditing primarily provides insight into how effective network control and practices are, i.e. its compliance to internal and external network policies and regulations.
Network auditing works through a systematic process where a computer network is analyzed for:
The data is gathered, vulnerabilities and threats are identified, and a formal audit report is sent to network administrators.
It is generally done by an information system auditor, network analyst/auditor or any other individual with a network management and/or security background. It uses both manual and automated techniques to gather data and review network posture. It reviews:
Although a network audit may focus more on network control and security, it also reviews processes and measures that ensure network availability, performance and quality of service.