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Internet security is a branch of computer security. It encompasses the Internet, browser security, web site security, [1] and network security as it applies to other applications or operating systems as a whole. Its objective is to establish rules and measures to use against attacks over the Internet. [2]
Part 2: Security Functional Components – Provides a catalog of security functional requirements (e.g., access control, encryption, and audit functions). [16] Part 3: Security Assurance Components – Specifies assurance levels (EAL1–EAL7), representing the depth and rigor of security evaluations. [17]
Internet security refers to the measures and protocols implemented to protect online data and transactions from cyber threats, unauthorized access, and other forms of online exploitation.
The Internet protocol suite as defined in RFC 1122 and RFC 1123 is a model of networking developed contemporarily to the OSI model, and was funded primarily by the U.S. Department of Defense. It was the foundation for the development of the Internet .
OSI model Layer Protocol data unit (PDU) Function [3]; Host layers 7 Application: Data: High-level protocols such as for resource sharing or remote file access, e.g. HTTP. 6
The following outline is provided as an overview of and topical guide to computer security: . Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data, as well as from the ...