II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000185
<GroupDescription></GroupDescription>Group -
The operating system must protect the confidentiality and integrity of all information at rest.
<VulnDiscussion>Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and...Rule Medium Severity -
SRG-OS-000191
<GroupDescription></GroupDescription>Group -
The operating system must employ automated mechanisms to determine the state of system components with regard to flaw remediation using the following frequency: continuously, 30 days, and annually, for external scans by Computer Network Defense Service Provider (CNDSP).
<VulnDiscussion>Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis, the operating syste...Rule Medium Severity -
SRG-OS-000205
<GroupDescription></GroupDescription>Group -
The operating system must generate error messages that provide information necessary for corrective actions without revealing information that could be exploited by adversaries.
<VulnDiscussion> Any operating system providing too much information in error messages risks compromising the data and security of the struct...Rule Medium Severity -
SRG-OS-000206
<GroupDescription></GroupDescription>Group -
The operating system must reveal error messages only to authorized users.
<VulnDiscussion>Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...Rule Medium Severity -
SRG-OS-000228
<GroupDescription></GroupDescription>Group -
Any publically accessible connection to the operating system must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the system.
<VulnDiscussion>Display of a standardized and approved use notification before granting access to the publicly accessible operating system en...Rule Medium Severity -
SRG-OS-000239
<GroupDescription></GroupDescription>Group -
The operating system must audit all account modifications.
<VulnDiscussion>Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...Rule Medium Severity -
SRG-OS-000240
<GroupDescription></GroupDescription>Group -
The operating system must audit all account disabling actions.
<VulnDiscussion>When operating system accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual...Rule Medium Severity -
SRG-OS-000241
<GroupDescription></GroupDescription>Group -
The operating system must audit all account removal actions.
<VulnDiscussion>When operating system accounts are removed, user accessibility is affected. Accounts are utilized for identifying individual ...Rule Medium Severity -
SRG-OS-000250
<GroupDescription></GroupDescription>Group -
The operating system must implement cryptography to protect the integrity of remote access sessions.
<VulnDiscussion>Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...Rule High Severity -
SRG-OS-000254
<GroupDescription></GroupDescription>Group -
The operating system must initiate session audits at system start-up.
<VulnDiscussion>If auditing is enabled late in the start-up process, the actions of some start-up processes may not be audited. Some audit sy...Rule Medium Severity
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