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software-as-a-service
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software-as-a-service

computing
Also known as: SaaS

Learn about this topic in these articles:

cloud computing

  • The José Vasconcelos Library in Mexico City, Mexico, includes some 700 computer terminals for accessing library materials.
    In cloud computing: Cloud services and major providers

    …set of services, sometimes called software as a service (SaaS), involves the supply of a discrete application to outside users. The application can be geared either to business users (such as an accounting application) or to consumers (such as an application for storing and sharing personal photographs). Another set of…

    Read More

Salesforce.com

  • Software-as-a-service
    In Salesforce.com

    …cloud-based data management solutions and software-as-a-service (SaaS) subscription model.

    Read More

sources of information services

  • taking a driver's license test on a computer
    In information system: Acquisition from external sources

    …developing new applications, or as software-as-a-service (SaaS) to be used by the firm over the network. In particular, SaaS has become a cost-effective way to use enterprise systems. Generally, cloud computing is provided by external vendors, although some firms implement their own private clouds in order to share resources that…

    Read More
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VPN
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VPN

computer network
Also known as: virtual private network
Written and fact-checked by
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
The Editors of Encyclopaedia Britannica
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In full:
virtual private network

VPN, a private computer network deployed over a public telecommunications network, such as the Internet. A VPN typically includes one or more connected corporate intranets, or local area networks (LANs), which users at remote locations can access using a password authentication system. Data encryption is used on communications as they pass through unsecured networks such as the Internet in order to deter cybercriminals from obtaining sensitive corporate data or personal account information. Because remote users can connect to private corporate networks through existing public networks, VPNs allow organizations to operate wide area networks (WANs) without the expense of leasing dedicated telecommunications lines.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Bill Guerriero.