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  2. Computer security - Wikipedia

    en.wikipedia.org/wiki/Computer_security

    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 ...

  3. Physical security - Wikipedia

    en.wikipedia.org/wiki/Physical_security

    Physical security involves the use of multiple layers of interdependent systems that can include CCTV surveillance, security guards, protective barriers, locks, access control, perimeter intrusion detection, deterrent systems, fire protection, and other systems designed to protect persons and property.

  4. Antivirus software - Wikipedia

    en.wikipedia.org/wiki/Antivirus_software

    Antivirus software (abbreviated to AV software ), also known as anti-malware, is a computer program used to prevent, detect, and remove malware . Antivirus software was originally developed to detect and remove computer viruses, hence the name. However, with the proliferation of other malware, antivirus software started to protect against other ...

  5. Network security - Wikipedia

    en.wikipedia.org/wiki/Network_security

    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.

  6. Artificial intelligence for video surveillance - Wikipedia

    en.wikipedia.org/wiki/Artificial_intelligence...

    This type of A.I. for security is known as "rule-based" because a human programmer must set rules for all of the things for which the user wishes to be alerted. This is the most prevalent form of A.I. for security. Many video surveillance camera systems today include this type of A.I. capability.

  7. NSA encryption systems - Wikipedia

    en.wikipedia.org/wiki/NSA_encryption_systems

    NSA encryption systems. The National Security Agency took over responsibility for all U.S. Government encryption systems when it was formed in 1952. The technical details of most NSA-approved systems are still classified, but much more about its early systems have become known and its most modern systems share at least some features with ...

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