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  2. Access control matrix - Wikipedia

    en.wikipedia.org/wiki/Access_Control_Matrix

    In this matrix example there exist two processes, two assets, a file, and a device. The first process is the owner of asset 1, has the ability to execute asset 2, read the file, and write some information to the device, while the second process is the owner of asset 2 and can read asset 1.

  3. Protection ring - Wikipedia

    en.wikipedia.org/wiki/Protection_ring

    One example is the Data General Eclipse MV/8000, in which the top three bits of the program counter (PC) served as the ring register. Thus code executing with the virtual PC set to 0xE200000, for example, would automatically be in ring 7, and calling a subroutine in a different section of memory would automatically cause a ring transfer.

  4. Information security operations center - Wikipedia

    en.wikipedia.org/wiki/Information_security...

    The United States national security operations center c. 1975. An information security operations center (ISOC or SOC) is a facility where enterprise information systems (web sites, applications, databases, data centers and servers, networks, desktops and other endpoints) are monitored, assessed, and defended.

  5. Computer security incident management - Wikipedia

    en.wikipedia.org/wiki/Computer_security_incident...

    Computer security incident management is a specialized form of incident management, the primary purpose of which is the development of a well understood and predictable response to damaging events and computer intrusions. [1] Incident management requires a process and a response team which follows this process.

  6. 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 can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...

  7. Computer graphics (computer science) - Wikipedia

    en.wikipedia.org/wiki/Computer_graphics...

    A modern rendering of the Utah teapot, an iconic model in 3D computer graphics created by Martin Newell in 1975. Computer graphics is a sub-field of computer science which studies methods for digitally synthesizing and manipulating visual content. Although the term often refers to the study of three-dimensional computer graphics, it also ...

  8. Graphics software - Wikipedia

    en.wikipedia.org/wiki/Graphics_software

    Computer graphics can be classified into two distinct categories: raster graphics and vector graphics, with further 2D and 3D variants. Many graphics programs focus exclusively on either vector or raster graphics, but there are a few that operate on both. It is simple to convert from vector graphics to raster graphics, but going the other way ...

  9. Computer graphics - Wikipedia

    en.wikipedia.org/wiki/Computer_graphics

    A Blender screenshot displaying the 3D test model Suzanne. Computer graphics deals with generating images and art with the aid of computers.Computer graphics is a core technology in digital photography, film, video games, digital art, cell phone and computer displays, and many specialized applications.