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An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that may result in unauthorized information disclosure, theft of (or damage to) hardware, software, or ...
Information security. Information security, sometimes shortened to infosec, [1] is the practice of protecting information by mitigating information risks. It is part of information risk management. [2][3] It typically involves preventing or reducing the probability of unauthorized or inappropriate access to data or the unlawful use, disclosure ...
Internet security. 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]
Firewall (computing) In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. [1][2] A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet. [3]
Network security consists of the policies, processes and practices adopted to prevent, detect and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources. [1] Network security involves the authorization of access to data in a network, which is controlled by the network administrator.
Ware's presentation was the first public conference session about information security and privacy in respect of computer systems, especially networked or remotely-accessed ones.
Multilevel security or multiple levels of security (MLS) is the application of a computer system to process information with incompatible classifications (i.e., at different security levels), permit access by users with different security clearances and needs-to-know, and prevent users from obtaining access to information for which they lack authorization.
Information security standards (also cyber security standards[1]) are techniques generally outlined in published materials that attempt to protect the cyber environment of a user or organization. [2] This environment includes users themselves, networks, devices, all software, processes, information in storage or transit, applications, services ...
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