Tanium 7.0 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Tanium cryptographic signing capabilities must be enabled on the Tanium Clients, which will ensure the authenticity of communications sessions when answering requests from the Tanium Server.
All of Tanium's signing capabilities should be enabled upon install. Tanium supports the cryptographic signing and verification before execution of all Sensors, Questions, Actions, Sensor Libraries...Rule Medium Severity -
Tanium endpoint files must be excluded from on-access antivirus actions.
Similar to any other host-based applications, the Tanium Client is subject to the restrictions other System-level software may place on an operating environment. That is to say that Antivirus, IPS,...Rule Medium Severity -
Tanium 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.
DoS is a condition where a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity. Individuals...Rule Medium Severity -
The Tanium Server must be configured with a connector to sync to Microsoft Active Directory for account management functions, must isolate security functions from non-security functions, and must terminate shared/group account credentials when members leave the group.
By restricting access to the Tanium Server to only Microsoft Active Directory, user accounts and related permissions can be strictly monitored. Account management will be under the operational resp...Rule Medium Severity -
Tanium console users User Roles must be validated against the documentation for User Roles.
System access should be reviewed periodically to verify that all Tanium users are assigned the appropriate role, with the least privileged access possible to perform assigned tasks being the recomm...Rule Medium Severity -
Common Access Card (CAC)-based authentication must be enforced and enabled on the Tanium Server for network and local access with privileged and non-privileged accounts.
To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system. Organizational user...Rule High Severity -
The publicly accessible Tanium application must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the application.
Display of a standardized and approved use notification before granting access to the publicly accessible application ensures privacy and security notification verbiage used is consistent with appl...Rule Medium Severity -
Flaw remediation Tanium applications must employ automated mechanisms to determine the state of information system components with regard to flaw remediation using the following frequency: continuously, where HBSS is used; 30 days, for any additional internal network scans not covered by HBSS; and annually, for external scans by Computer Network Defense Service Provider (CNDSP).
Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis, the system components may remain vulnerable to the exploits presented by undetected softwar...Rule Medium Severity -
Tanium must notify system administrators and ISSO when accounts are modified.
Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of re-establishing access. One way to accomplish this is for the attacker to simpl...Rule Medium Severity -
Tanium must notify the SA and ISSO of account enabling actions.
Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of re-establishing access. One way to accomplish this is for the attacker to simpl...Rule Medium Severity -
Tanium must notify System Administrators and Information System Security Officers for account disabling actions.
When application accounts are disabled, user accessibility is affected. Accounts are used for identifying individual application users or for identifying the application processes themselves. In o...Rule Medium Severity -
The Tanium SQL server must be dedicated to the Tanium database.
Failure to protect organizational information from data mining may result in a compromise of information. Data storage objects include, for example, databases, database records, and database field...Rule Medium Severity -
The Tanium Server installers account SQL database permissions must be reduced from sysadmin to db_owner.
Creating the tanium and tanium_archive databases through the Tanium Server installer program or using the database create SQL scripts requires Sysadmin-level permissions. Once the databases have be...Rule Medium Severity -
The Tanium Server console must be configured to initiate a session lock after a 15-minute period of inactivity.
The Tanium Console, when CAC is enabled, will initiate a session lock based upon the ActivClient or other Smart Card software. By initiating the session lock, the console will be locked and not al...Rule Medium Severity -
Tanium Trusted Content providers must be documented.
A Tanium Sensor, also called content, enables an organization to gather real-time inventory, configuration, and compliance data elements from managed computers. Sensors gather specific information ...Rule Medium Severity -
Tanium public keys of content providers must be validated against documented trusted content providers.
A Tanium Sensor, also called content, enables an organization to gather real-time inventory, configuration, and compliance data elements from managed computers. Sensors gather specific information ...Rule Medium Severity -
The Tanium Action Approval feature must be enabled for two person integrity when deploying actions to endpoints.
The Tanium Action Approval feature provides a "four eyes" control mechanism designed to achieve a high level of security and reduce the possibility of error for critical operations. When this feat...Rule Medium Severity -
The Tanium Server must protect audit tools from unauthorized access, modification, or deletion.
Protecting audit data also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized operation on au...Rule Medium Severity -
The Tanium Server must be configured to only allow signed content to be imported.
Changes to any software components can have significant effects on the overall security of the application. Verifying software components have been digitally signed using a certificate that is reco...Rule Medium Severity -
The Tanium Server must be configured to prohibit or restrict the use of organization-defined functions, ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments.
In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable...Rule Medium Severity -
The Tanium Server certificates must have Extended Key Usage entries for the serverAuth object TLS Web Server Authentication and the clientAuth object TLS Web Client Authentication.
Information can be either unintentionally or maliciously disclosed or modified during reception including, for example, during aggregation, at protocol transformation points, and during packing/unp...Rule Medium Severity -
The permissions on the Tanium Server registry keys must be restricted to only the Tanium service account and the [Tanium Admins] group.
Discretionary Access Control (DAC) is based on the notion that individual users are "owners" of objects and therefore have discretion over who should be authorized to access the object and in which...Rule Medium Severity -
A Tanium connector must be configured to send log data to an external audit log reduction-capable system and provide alerts.
While the Tanium Server records audit log entries to the Tanium SQL database, retrieval and aggregation of log data through the Tanium console is not efficient. The Tanium Connect module allows fo...Rule Medium Severity -
Firewall rules must be configured on the Tanium Server for Server-to-Module Server communications.
The Tanium Module Server is used to extend the functionality of Tanium through the use of various workbenches. The Tanium Module Server requires communication with the Tanium Server on port 17477. ...Rule Medium Severity -
Any Tanium configured EMAIL RESULTS connectors must be configured to enable TLS/SSL to encrypt communications.
Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission including, for example, during aggregation, at protocol transformation points, and...Rule Medium Severity -
Tanium Server files must be excluded from on-access antivirus actions.
Similar to any other host-based applications, the Tanium Server is subject to the restrictions other System-level software may place on an operating environment. Antivirus, IPS, Encryption, or othe...Rule Medium Severity -
The Tanium Server console must be configured to display the Standard Mandatory DoD Notice and Consent Banner before granting access to The Tanium Server.
Display of the DoD-approved use notification before granting access to the application ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive ...Rule Medium Severity -
The Tanium max_soap_sessions_per_user setting must be explicitly enabled to limit the number of simultaneous sessions.
Application management includes the ability to control the number of users and user sessions that utilize an application. Limiting the number of allowed users and sessions per user is helpful in li...Rule Medium Severity -
Tanium Comply must be configured to receive SCAP feeds only from trusted sources.
NIST-validated SCAP XML documents are provided from several possible sources such as DISA, NIST, and the other non-government entities. These documents are used as the basis of compliance definitio...Rule Medium Severity -
Tanium must be configured in a High-Availability (HA) setup to ensure minimal loss of data and minimal disruption to mission processes in the event of a system failure.
Failure to a known state can address safety or security in accordance with the mission/business needs of the organization. Failure to a known secure state helps prevent a loss of confidentiality, i...Rule Medium Severity -
Tanium must limit the bandwidth used in communicating with endpoints to prevent a denial-of-service (DoS) condition at the server.
DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity. This require...Rule Medium Severity -
Tanium service must be protected from being stopped by a non-privileged user.
DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity. This require...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity -
Tanium must be configured to communicate using TLS 1.2 Strict Only.
Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered. This requirement...Rule Medium Severity
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