S - Definitions

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    shadow IT

    Shadow IT is hardware or software within an enterprise that is not supported by the organization's central IT department.

  • shared responsibility model

    A shared responsibility model is a cloud security framework that dictates the security obligations of a cloud computing provider and its users to ensure accountability.

  • single-tenancy

    Single-tenancy is an architecture in which a single instance of a software application and supporting infrastructure serves one customer.

  • Software as a Service (SaaS)

    Software as a service (SaaS) is a software distribution model in which a third-party provider hosts applications and makes them available to customers over the Internet.

  • software-defined perimeter (SDP)

    A software-defined perimeter, or SDP, is a security technique that controls access to resources based on identity and forms a virtual boundary around networked resources.

  • SPI model

    The SPI model is an abbreviation of the most common cloud computing service models: software as a service (SaaS), platform as a service (PaaS) and infrastructure as a service (IaaS).

  • subscription-based pricing model

    A subscription-based pricing model is a payment structure that allows a customer or organization to purchase or subscribe to a vendor's IT services for a specific period of time for a set price.

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