Splunk Enterprise 7.x for Windows Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000086-AU-000020
<GroupDescription></GroupDescription>Group -
Splunk Enterprise must be configured to aggregate log records from organization-defined devices and hosts within its scope of coverage.
<VulnDiscussion>If the application is not configured to collate records based on the time when the events occurred, the ability to perform fo...Rule Low Severity -
SRG-APP-000090-AU-000070
<GroupDescription></GroupDescription>Group -
Splunk Enterprise must allow only the Information System Security Manager (ISSM) (or individuals or roles appointed by the ISSM) to be assigned to the Power User role.
<VulnDiscussion>Without restricting which roles and individuals can select which events are audited, unauthorized personnel may be able to pr...Rule Low Severity -
SRG-APP-000359-AU-000120
<GroupDescription></GroupDescription>Group -
Splunk Enterprise idle session timeout must be set to not exceed 15 minutes.
<VulnDiscussion>Automatic session termination after a period of inactivity addresses the potential for a malicious actor to exploit the unatt...Rule Medium Severity -
SRG-APP-000291-AU-000200
<GroupDescription></GroupDescription>Group -
Splunk Enterprise must be configured to send an immediate alert to the System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) when allocated log record storage volume reaches 75 percent of the repository maximum log record storage capacity.
<VulnDiscussion>If security personnel are not notified immediately upon storage volume utilization reaching 75 percent they are unable to pla...Rule Low Severity -
SRG-APP-000360-AU-000130
<GroupDescription></GroupDescription>Group -
Splunk Enterprise must notify the System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) of all audit failure events, such as loss of communications with hosts and devices, or if log records are no longer being received.
<VulnDiscussion>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 Low Severity -
SRG-APP-000361-AU-000140
<GroupDescription></GroupDescription>Group -
Splunk Enterprise must notify the System Administrator (SA) or Information System Security Officer (ISSO) if communication with the host and devices within its scope of coverage is lost.
<VulnDiscussion>If the system were to continue processing after audit failure, actions could be taken on the system that could not be tracked...Rule Low Severity -
SRG-APP-000516-AU-000350
<GroupDescription></GroupDescription>Group -
Splunk Enterprise must be configured to notify the System Administrator (SA) and Information System Security Officer (ISSO), at a minimum, when an attack is detected on multiple devices and hosts within its scope of coverage.
<VulnDiscussion>Detecting when multiple systems are showing anomalies can often indicate an attack. Notifying appropriate personnel can initi...Rule Medium Severity -
SRG-APP-000166-AU-002490
<GroupDescription></GroupDescription>Group -
Splunk Enterprise must enforce password complexity for the account of last resort by requiring that at least one upper-case character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Low Severity -
SRG-APP-000167-AU-002500
<GroupDescription></GroupDescription>Group -
Splunk Enterprise must enforce password complexity for the account of last resort by requiring that at least one lower-case character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Low Severity -
SRG-APP-000168-AU-002510
<GroupDescription></GroupDescription>Group -
Splunk Enterprise must enforce password complexity for the account of last resort by requiring that at least one numeric character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Low Severity
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