What Is Network Security And Security Audit?

A specialized field in computer networking that involves securing a computer network infrastructure called Network Security. It typically handled by a network administrator or system administrator who implements the security policy, network software and hardware to protect a network. The Network Administrator ensure that unauthorize access to the resources is denied and  that employees have adequate access to the network and resources to work.

A network security system typically relies on layers of protection and consists of multiple components including networking monitoring and security software in addition to hardware and appliances. All components work together to increase the overall security of the computer network.

 How To Maintain Security By Security Audit?

A security audit is a systematic evaluation of the security of a company's information system by measuring how well it conforms to a set of established criteria. A thorough audit typically assesses the security of the system's physical configuration and environment, software, information handling processes, and user practices. Fields of Security Audit are following,

• Physical Security 
• Account Security 
• File System Security 

A computer security audit is a manual or systematic measurable technical assessment of a system or application. Manual assessments include interviewing staff, performing security vulnerability scans, reviewing application and operating system access controls, and analyzing physical access to the systems.