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404 (status code)

Definition | WhatIs

404 is a frequently-seen status code that tells a Web user that a requested page is "Not found."

404 error page

Definition |

A 404 page is the webpage served to a user who tries to access a page that is unavailable. The 404 error indicates that the server where the page ...

SOX Section 404 (Sarbanes-Oxley Act Section 404)

Definition | SearchFinancialSecurity

SOX Section 404 (Sarbanes-Oxley Act Section 404) mandates that all publicly-traded companies must establish internal controls and procedures for ...

moved to Atlanta

Definition |

Moved to Atlanta is Internet slang for the 404 status code, the frequently seen "page not found" error. 404 and other status codes are part of the ...

haiku error message

Definition |

A haiku error message is a poem in the Japanese form on a page advising the user that an Internet problem, such as a 404 error, means that their ...

Internet Storm Center

Definition |

The Internet Storm Center is a website provided by the SANS Institute that monitors current online security attacks and publishes information about ...

JOBS Act (Jumpstart Our Business Startups Act)

Definition |

The JOBS Act (Jumpstart Our Business Startups Act) is legislation that eases regulatory restrictions for new businesses to make it easier for ...

rule of thumb

Definition |

A rule of thumb is a principle that is intended to provide general guidance rather than precise direction. The term originally referred to a rough ...

meta refresh

Definition | SearchMicroservices

On a Web site, a meta refresh is coding in the Hypertext Markup Language (HTML) that automatically directs the visitor to a new page after a ...


Definition | SearchMicroservices

On a Web site, redirection is a technique for moving visitors to a different Web page than the one they request, usually because the page requested ...



  • risk map (risk heat map)

    A risk map, also known as a risk heat map, is a data visualization tool for communicating specific risks an organization faces. A...

  • internal audit (IA)

    An internal audit (IA) is an organizational initiative to monitor and analyze its own business operations in order to determine ...

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...


  • federated identity management (FIM)

    Federated identity management (FIM) is an arrangement that can be made among multiple enterprises to let subscribers use the same...

  • cross-site scripting (XSS)

    Cross-site scripting (XSS) is a type of injection security attack in which an attacker injects data, such as a malicious script, ...

  • firewall

    In computing, a firewall is software or firmware that enforces a set of rules about what data packets will be allowed to enter or...



  • business continuity and disaster recovery (BCDR)

    Business continuity and disaster recovery (BCDR) are closely related practices that describe an organization's preparation for ...

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...


  • all-flash array (AFA)

    An all-flash array (AFA), also known as a solid-state storage disk system, is an external storage array that uses only flash ...

  • volume manager

    A volume manager is software within an operating system (OS) that controls capacity allocation for storage arrays.

  • external storage device

    An external storage device, also referred to as auxiliary storage and secondary storage, is a device that contains all the ...


  • hybrid hard disk drive (HDD)

    A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.