Tanium 7.3 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Tanium must centrally review and analyze audit records from multiple components within the system.
Successful incident response and auditing relies on timely, accurate system information and analysis in order to allow the organization to identify and respond to potential incidents in a proficien...Rule Medium Severity -
Tanium must implement organization-defined automated security responses if baseline configurations are changed in an unauthorized manner.
Unauthorized changes to the baseline configuration could make the system vulnerable to various attacks or allow unauthorized access to the system. Changes to information system configurations can h...Rule Medium Severity -
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.
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 -
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.
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 application must retain the session lock until the user reestablishes access using established identification and authentication procedures.
A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system, but does not want to log out because of the temporar...Rule Medium Severity -
Tanium Computer Groups must be used to restrict console users from affecting changes to unauthorized computers.
Computer Groups allow a site running Tanium to assign responsibility of specific Computer Groups to specific Tanium console users. By doing so, a desktop administrator, for example, will not have t...Rule Medium Severity -
Common Access Card (CAC)-based authentication must be enabled on the Tanium Server for network access with 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 -
The Tanium enterprise audit log reduction option must be configured to provide alerts based off Tanium audit data.
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without a real-time alert, security personnel may be unaware of an impe...Rule Medium Severity -
Common Access Card (CAC)-based authentication must be enabled and enforced on the Tanium Server for all access and all 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 Medium Severity -
The Tanium application must prohibit user installation of software without explicit privileged status.
Allowing regular users to install software, without explicit privileges, creates the risk that untested or potentially malicious software will be installed on the system. Explicit privileges (escal...Rule Medium Severity -
The Tanium Server installers account database permissions must be reduced to an appropriate level.
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 -
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 -
Content providers must provide their public key to the Tanium administrator to import for validating signed content.
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 Detect must be configured to receive IOC streams only from trusted sources.
An IOC stream is a series or stream of intel that are imported from a vendor based on a subscription service or manually downloaded and placed in a folder. Detect can be configured to retrieve the ...Rule Medium Severity -
The Tanium cryptographic signing capabilities must be enabled on 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 -
Firewall rules must be configured on the Tanium Server for Client-to-Server communications.
In addition to the client-to-server TCP communication that takes place over port 17472, Tanium Clients also communicate to other Tanium-managed computers over port 17472. The Tanium environment can...Rule Medium Severity -
The Tanium Application 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
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