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General Purpose Operating System Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The operating system must prevent all software from executing at higher privilege levels than users executing the software.

    <VulnDiscussion>In certain situations, software applications/programs need to execute with elevated privileges to perform required functions....
    Rule Medium Severity
    Show

  • SRG-OS-000327

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must automatically lock an account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes occur.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
    Show

  • SRG-OS-000337

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000349

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must provide the capability for assigned IMOs/ISSOs or designated SAs to change the auditing to be performed on all operating system components, based on all selectable event criteria in near real time.

    &lt;VulnDiscussion&gt;If authorized individuals do not have the ability to modify auditing parameters in response to a changing threat environment,...
    Rule Medium Severity
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  • SRG-OS-000341

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must allocate audit record storage capacity to store at least one week's worth of audit records, when audit records are not immediately sent to a central audit record storage facility.

    &lt;VulnDiscussion&gt;In order to ensure operating systems have a sufficient storage capacity in which to write the audit logs, operating systems n...
    Rule Low Severity
    Show

  • SRG-OS-000342

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must offload audit records onto a different system or media from the system being audited.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Low Severity
    Show

  • SRG-OS-000343

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must immediately notify the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.

    &lt;VulnDiscussion&gt;If security personnel are not notified immediately when storage volume reaches 75% utilization, they are unable to plan for a...
    Rule Low Severity
    Show

  • SRG-OS-000344

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must provide an immediate real-time alert to the SA and ISSO, at a minimum, of all audit failure events requiring real-time alerts.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
    Show

  • SRG-OS-000348

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must provide an audit reduction capability that supports on-demand audit review and analysis.

    &lt;VulnDiscussion&gt;The ability to perform on-demand audit review and analysis, including after the audit data has been subjected to audit reduct...
    Rule Low Severity
    Show

  • The operating system must provide an audit reduction capability that supports after-the-fact investigations of security incidents.

    &lt;VulnDiscussion&gt;If the audit reduction capability does not support after-the-fact investigations, it is difficult to establish, correlate, an...
    Rule Low Severity
    Show

  • SRG-OS-000350

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must provide a report generation capability that supports on-demand audit review and analysis.

    &lt;VulnDiscussion&gt;The report generation capability must support on-demand review and analysis in order to facilitate the organization's ability...
    Rule Low Severity
    Show

  • SRG-OS-000351

    <GroupDescription></GroupDescription>
    Group
    Show

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