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Information security refers to the protection of computer systems from intrusion and exploitation. As the major concern in protecting these systems is the integrity of data stored and transmitted, the term information assurance is also used. Security professionals refer to their role as guaranteeing confidentiality, integrity, and availability of the information in their charge. There are several component fields and studies in information security, including cryptography, forensic analysis, intrusion detection, and incident response. Securing a system requires the implementation of both specific security measures, such as closing network ports to incoming connections or installing firewalls, and general practices that maintain the integrity of the system, such as identity management procedures. A complete perspective on information security must include both technical skills to protect the system ...

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