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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000076-GPOS-00044

    Group
  • Passwords must be configured to expire.

    Passwords that do not expire or are reused increase the exposure of a password with greater probability of being discovered or cracked.
    Rule Medium Severity
  • SRG-OS-000363-GPOS-00150

    Group
  • System files must be monitored for unauthorized changes.

    Monitoring system files for changes against a baseline on a regular basis may help detect the possible introduction of malicious code on a system.
    Rule Medium Severity
  • SRG-OS-000138-GPOS-00069

    Group
  • Non-system-created file shares on a system must limit access to groups that require it.

    Shares on a system provide network access. To prevent exposing sensitive information, where shares are necessary, permissions must be reconfigured to give the minimum access to accounts that requir...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    Group
  • Software certificate installation files must be removed from Windows Server 2016.

    Use of software certificates and their accompanying installation files for end users to access resources is less secure than the use of hardware-based certificates.
    Rule Medium Severity
  • SRG-OS-000185-GPOS-00079

    Group
  • Systems requiring data at rest protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest.

    This requirement addresses protection of user-generated data as well as operating system-specific configuration data. Organizations may choose to employ different mechanisms to achieve confidential...
    Rule High Severity
  • SRG-OS-000425-GPOS-00189

    Group
  • Protection methods such as TLS, encrypted VPNs, or IPsec must be implemented if the data owner has a strict requirement for ensuring data integrity and confidentiality is maintained at every step of the data transfer and handling process.

    Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, for example, during aggregation, at protocol transformation points, and during pa...
    Rule Medium Severity
  • SRG-OS-000095-GPOS-00049

    Group
  • The roles and features required by the system must be documented.

    Unnecessary roles and features increase the attack surface of a system. Limiting roles and features of a system to only those necessary reduces this potential. The standard installation option (pre...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    Group
  • A host-based firewall must be installed and enabled on the system.

    A firewall provides a line of defense against attack, allowing or blocking inbound and outbound connections based on a set of rules.
    Rule Medium Severity
  • SRG-OS-000191-GPOS-00080

    Group
  • Windows Server 2016 must employ automated mechanisms to determine the state of system components with regard to flaw remediation using the following frequency: continuously, where Endpoint Security Solution (ESS) is used; 30 days, for any additional internal network scans not covered by ESS; and annually, for external scans by Computer Network Defense Service Provider (CNDSP).

    Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis, the operating system or other system components may remain vulnerable to the exploits prese...
    Rule Medium Severity
  • SRG-OS-000002-GPOS-00002

    Group
  • Windows Server 2016 must automatically remove or disable temporary user accounts after 72 hours.

    If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be used to gain unauthorized access. To mitigate this risk, automated termination of al...
    Rule Medium Severity

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