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II - Mission Support Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000205-GPOS-00083

    Group
  • The Photon operating system /var/log directory must be restricted.

    Any operating system providing too much information in error messages risks compromising the data and security of the structure, and content of error messages needs to be carefully considered by th...
    Rule Medium Severity
  • SRG-OS-000206-GPOS-00084

    Group
  • The Photon operating system must reveal error messages only to authorized users.

    Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or pla...
    Rule Medium Severity
  • SRG-OS-000239-GPOS-00089

    Group
  • The Photon operating system must audit all account modifications.

    Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing access. One way to accomplish this is for the attacker to modify an exis...
    Rule Medium Severity
  • SRG-OS-000241-GPOS-00091

    Group
  • The Photon operating system must audit all account removal actions.

    When operating system accounts are removed, user accessibility is affected. Accounts are utilized for identifying individual users or for identifying the operating system processes themselves. In o...
    Rule Medium Severity
  • SRG-OS-000250-GPOS-00093

    Group
  • The Photon operating system must implement only approved ciphers to protect the integrity of remote access sessions.

    Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access (e.g., RDP) is access to DOD nonpublic information systems by an auth...
    Rule High Severity
  • SRG-OS-000254-GPOS-00095

    Group
  • The Photon operating system must initiate session audits at system startup.

    If auditing is enabled late in the startup process, the actions of some startup processes may not be audited. Some audit systems also maintain state information only available if auditing is enable...
    Rule Medium Severity
  • SRG-OS-000256-GPOS-00097

    Group
  • The Photon operating system must protect audit tools from unauthorized access.

    Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized operatio...
    Rule Medium Severity
  • SRG-OS-000266-GPOS-00101

    Group
  • The Photon operating system must enforce password complexity by requiring that at least one special character be used.

    Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity or strength is a measure of the effectiveness of a password in resisting ...
    Rule Medium Severity
  • SRG-OS-000278-GPOS-00108

    Group
  • The Photon operating system must use cryptographic mechanisms to protect the integrity of audit tools.

    Protecting the integrity of the tools used for auditing purposes is a critical step toward ensuring the integrity of audit information. Audit information includes all information (e.g., audit recor...
    Rule High Severity
  • SRG-OS-000279-GPOS-00109

    Group
  • The operating system must automatically terminate a user session after inactivity time-outs have expired.

    Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of network connections that are associated with communications sessions (i....
    Rule Medium Severity

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