SC-7(19)

  • Requirement

    Block inbound and outbound communications traffic between [Assignment: organization-defined communication clients] that are independently configured by end users and external service providers.

  • Discussion

    Communication clients independently configured by end users and external service providers include instant messaging clients and video conferencing software and applications. Traffic blocking does not apply to communication clients that are configured by organizations to perform authorized functions.

More Info

  • Title

    Boundary Protection | Block Communication from Non-organizationally Configured Hosts

  • Family

    System and Communications Protection

  • Related NIST 800-53 ID

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