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Security service is a service, provided by a layer of communicating open systems, which ensures adequate security of the systems or of data transfers [1] as defined by ITU-T X.800 Recommendation. X.800 and ISO 7498-2 (Information processing systems – Open systems interconnection – Basic Reference Model – Part 2: Security architecture) [2 ...
Security mostly refers to protection from hostile forces, but it has a wide range of other senses: for example, as the absence of harm (e.g., freedom from want ); as the presence of an essential good (e.g., food security ); as resilience against potential damage or harm (e.g. secure foundations); as secrecy (e.g., a secure telephone line ); as ...
An example of physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security, cybersecurity, digital security or information technology security (IT security) is the protection of computer systems and networks from attacks by malicious actors that may result in unauthorized information disclosure, theft of, or damage to hardware ...
Security company. A private security guard on duty at a factory. Private guard escort on a merchant ship, providing security services against pirates. A private security company is a business entity which provides armed or unarmed security services and expertise to clients in the private or public sectors.
A security guard (also known as a security inspector, security officer, factory guard, or protective agent) is a person employed by a government or private party to protect the employing party's assets (property, people, equipment, money, etc.) from a variety of hazards (such as crime, waste, damages, unsafe worker behavior, etc.) by enforcing ...
Security management is a continuous process that can be compared to W. Edwards Deming's Quality Circle (Plan, Do, Check, Act). The inputs are requirements from clients. The requirements are translated into security services and security metrics. Both the client and the plan sub-process affect the SLA.
Security as a service ( SECaaS) is a business model in which a service provider integrates their security services into a corporate infrastructure on a subscription basis more cost-effectively than most individuals or corporations can provide on their own when the total cost of ownership is considered. [1] SECaaS is inspired by the "software as ...
Communications security is the discipline of preventing unauthorized interceptors from accessing telecommunications [1] in an intelligible form, while still delivering content to the intended recipients. In the North Atlantic Treaty Organization culture, including United States Department of Defense culture, it is often referred to by the ...