Tanium 7.3 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Tanium documentation identifying recognized and trusted Intel streams must be maintained.
<VulnDiscussion>An IOC stream is a series or stream of IOCs that are imported from a vendor based on a subscription service. An IOC stream ca...Rule Medium Severity -
SRG-APP-000039
<GroupDescription></GroupDescription>Group -
SRG-APP-000211
<GroupDescription></GroupDescription>Group -
SRG-APP-000340
<GroupDescription></GroupDescription>Group -
SRG-APP-000247
<GroupDescription></GroupDescription>Group -
The Tanium application must provide an immediate warning to the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75% of repository maximum audit record storage capacity.
<VulnDiscussion>If security personnel are not notified immediately upon storage volume utilization reaching 75%, they are unable to plan for ...Rule Medium Severity -
SRG-APP-000360
<GroupDescription></GroupDescription>Group -
SRG-APP-000246
<GroupDescription></GroupDescription>Group -
SRG-APP-000111
<GroupDescription></GroupDescription>Group -
Tanium endpoint files must be protected from file encryption actions.
<VulnDiscussion>Similar to any other host-based applications, the Tanium Client is subject to the restrictions other System-level software ma...Rule Medium Severity -
Tanium must centrally review and analyze audit records from multiple components within the system.
<VulnDiscussion>Successful incident response and auditing relies on timely, accurate system information and analysis in order to allow the or...Rule Medium Severity -
Tanium endpoint files must be excluded from on-access antivirus actions.
<VulnDiscussion>Similar to any other host-based applications, the Tanium Client is subject to the restrictions other System-level software ma...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
SRG-APP-000379
<GroupDescription></GroupDescription>Group -
The Tanium Client Deployment Tool (CDT) must not be configured to use the psexec method of deployment.
<VulnDiscussion>When using the Tanium Client Deployment Tool (CDT), using psexec represents an increased vulnerability as the NTLM hash and c...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
Tanium must implement organization-defined automated security responses if baseline configurations are changed in an unauthorized manner.
<VulnDiscussion>Unauthorized changes to the baseline configuration could make the system vulnerable to various attacks or allow unauthorized ...Rule Medium Severity -
SRG-APP-000386
<GroupDescription></GroupDescription>Group -
Tanium must employ a deny-all, permit-by-exception (whitelist) policy to allow the execution of authorized software programs.
<VulnDiscussion>Utilizing a whitelist provides a configuration management method for allowing the execution of only authorized software. Usin...Rule Medium Severity -
SRG-APP-000414
<GroupDescription></GroupDescription>Group -
The vulnerability scanning application must implement privileged access authorization to all Tanium information systems and infrastructure components for selected organization-defined vulnerability scanning activities.
<VulnDiscussion>In certain situations, the nature of the vulnerability scanning may be more intrusive, or the information system component th...Rule Medium Severity -
SRG-APP-000015
<GroupDescription></GroupDescription>Group -
The Tanium endpoint must have the Tanium Servers public key in its installation.
<VulnDiscussion>Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...Rule Medium Severity -
SRG-APP-000119
<GroupDescription></GroupDescription>Group -
Access to Tanium logs on each endpoint must be restricted by permissions.
<VulnDiscussion>For the Tanium Client software to run without impact from external negligent or malicious changes, the permissions on the Tan...Rule Medium Severity -
SRG-APP-000131
<GroupDescription></GroupDescription>Group -
The Tanium cryptographic signing capabilities must be enabled on the Tanium Clients to safeguard the authenticity of communications sessions when answering requests from the Tanium Server.
<VulnDiscussion>All of Tanium's signing capabilities should be enabled upon install. Tanium supports the cryptographic signing and verificati...Rule Medium Severity -
SRG-APP-000142
<GroupDescription></GroupDescription>Group -
Firewall rules must be configured on the Tanium Endpoints for Client-to-Server communications.
<VulnDiscussion>In addition to the client-to-server TCP communication that takes place over port 17472, Tanium Clients also communicate to ot...Rule Medium Severity -
SRG-APP-000328
<GroupDescription></GroupDescription>Group -
Control of the Tanium Client service must be restricted to SYSTEM access only for all managed clients.
<VulnDiscussion>The reliability of the Tanium client's ability to operate depends upon controlling access to the Tanium client service. By re...Rule Medium Severity -
SRG-APP-000328
<GroupDescription></GroupDescription>Group -
The ability to uninstall the Tanium Client service must be disabled on all managed clients.
<VulnDiscussion>By default, end users have the ability to uninstall software on their clients. In the event the Tanium Client software is uni...Rule Medium Severity -
SRG-APP-000328
<GroupDescription></GroupDescription>Group -
The permissions on the Tanium Client directory must be restricted to only the SYSTEM account on all managed clients.
<VulnDiscussion>By restricting access to the Tanium Client directory on managed clients, the Tanium client's ability to operate and function ...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The Tanium application must restrict the ability of individuals to place too much impact upon the network, which might result in a Denial of Service (DoS) event on the network by using RandomSensorDelayInSeconds.
<VulnDiscussion>DoS is a condition where a resource is not available for legitimate users. When this occurs, the organization either cannot a...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
Tanium endpoint files must be excluded from host-based intrusion prevention intervention.
<VulnDiscussion>Similar to any other host-based applications, the Tanium Client is subject to the restrictions other System-level software ma...Rule Medium Severity -
SRG-APP-000002
<GroupDescription></GroupDescription>Group -
The Tanium application must retain the session lock until the user reestablishes access using established identification and authentication procedures.
<VulnDiscussion>A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...Rule Medium Severity -
SRG-APP-000233
<GroupDescription></GroupDescription>Group -
The Tanium Application Server must be configured with a connector to sync to Microsoft Active Directory for account management functions.
<VulnDiscussion>By restricting access to the Tanium Server to only Microsoft Active Directory, user accounts and related permissions can be s...Rule Medium Severity -
SRG-APP-000023
<GroupDescription></GroupDescription>Group -
The Tanium Application Server must be configured to only use Microsoft Active Directory for account management functions.
<VulnDiscussion>By restricting access to the Tanium Server to only Microsoft Active Directory, user accounts and related permissions can be s...Rule Medium Severity -
SRG-APP-000033
<GroupDescription></GroupDescription>Group -
Tanium console users Computer Group rights must be validated against the documentation for Computer Group rights.
<VulnDiscussion>System access should be reviewed periodically to verify that all Tanium users are assigned the appropriate role, with the lea...Rule Medium Severity -
Tanium Computer Groups must be used to restrict console users from affecting changes to unauthorized computers.
<VulnDiscussion>Computer Groups allow a site running Tanium to assign responsibility of specific Computer Groups to specific Tanium console u...Rule Medium Severity -
SRG-APP-000033
<GroupDescription></GroupDescription>Group -
Documentation identifying Tanium console users, their respective functional roles, and computer groups must be maintained.
<VulnDiscussion>System access should be reviewed periodically to verify that all Tanium users are assigned the appropriate functional role, w...Rule Medium Severity
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