I - Mission Critical Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000111
Group -
The Tanium application must be configured to send audit records from multiple components within the system to a central location for review and analysis.
Successful incident response and auditing relies on timely, accurate system information and analysis to allow the organization to identify and respond to potential incidents in a proficient manner....Rule Medium Severity -
SRG-APP-000515
Group -
The application must, at a minimum, offload interconnected systems in real time and offload standalone systems weekly.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Offloading is a common process in information systems with limited audit storage capacity.Rule Medium Severity -
SRG-APP-000516
Group -
Tanium Client processes must be excluded from On-Access scan.
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. Antivirus, intrusion prevention sys...Rule Medium Severity -
SRG-APP-000177
Group -
The Tanium application must be configured for LDAP user/group synchronization to map the authenticated identity to the individual user or group account for PKI-based authentication.
Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the individual user or group will not be available for forensic analysis.Rule Medium Severity -
SRG-APP-000180
Group -
The Tanium application must uniquely identify and authenticate nonorganizational users (or processes acting on behalf of nonorganizational users).
Lack of authentication and identification enables nonorganizational users to gain access to the application or possibly other information systems and provides an opportunity for intruders to compro...Rule Medium Severity -
SRG-APP-000211
Group -
The Tanium application must separate user functionality (including user interface services) from information system management functionality.
Application management functionality includes functions necessary for administration and requires privileged user access. Allowing nonprivileged users to access application management functionality...Rule Medium Severity -
SRG-APP-000226
Group -
The Tanium Server and Client applications must have logging enabled.
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 -
SRG-APP-000246
Group -
The Tanium application must restrict the ability of individuals to use information systems to launch organization-defined denial-of-service (DoS) attacks against other information systems.
The Tanium Action Approval feature provides a two-person integrity control mechanism designed to achieve a high level of security and reduce the possibility of error for critical operations and DoS...Rule Medium Severity -
SRG-APP-000247
Group -
The Tanium application must manage bandwidth throttles to limit the effects of information flooding types of denial-of-service (DoS) attacks.
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. In the case...Rule Medium Severity -
SRG-APP-000266
Group -
The Tanium application must generate error messages that provide information necessary for corrective actions without revealing information that could be exploited by adversaries.
Any application providing too much information in error messages risks compromising the data and security of the application and system. The structure and content of error messages must be carefull...Rule Medium Severity -
SRG-APP-000267
Group -
The Tanium application must reveal error messages only to the information system security officer (ISSO), information system security manager (ISSM), and system administrator (SA).
Only authorized personnel must be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the application. Additionally...Rule Medium Severity -
SRG-APP-000357
Group -
The Tanium application must allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.
To ensure applications have a sufficient storage capacity in which to write the audit logs, applications must be able to allocate audit record storage capacity. The task of allocating audit recor...Rule Medium Severity -
SRG-APP-000358
Group -
The Tanium application must offload audit records onto a different system or media than the system being audited.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Offloading is a common process in information systems with limited audit storage capacity.Rule Medium Severity -
SRG-APP-000359
Group -
The Tanium application must provide an immediate warning to the system administrator and information system security officer (at a minimum) when allocated audit record storage volume reaches 75% of repository maximum audit record storage capacity.
If security personnel are not notified immediately upon storage volume utilization reaching 75%, they are unable to plan for storage capacity expansion.Rule Medium Severity -
SRG-APP-000360
Group -
The Tanium application must provide an immediate real-time alert to the system administrator and information system security officer, at a minimum, of all audit failure events requiring real-time alerts.
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 -
SRG-APP-000378
Group -
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 -
SRG-APP-000380
Group -
The application must enforce access restrictions associated with changes to application configuration.
Failure to provide logical access restrictions associated with changes to application configuration may have significant effects on the overall security of the system. When dealing with access re...Rule Medium Severity -
SRG-APP-000386
Group -
The application must employ a deny-all, permit-by-exception (allowlist) policy to allow the execution of authorized software programs.
Using an allowlist provides a configuration management method for allowing the execution of only authorized software. Using only authorized software decreases risk by limiting the number of potenti...Rule Medium Severity -
SRG-APP-000391
Group -
The Tanium application must accept Personal Identity Verification (PIV) credentials.
The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DoD has mandated the use of the CAC to support identity management and personal authentication f...Rule Medium Severity -
SRG-APP-000392
Group -
The Tanium application must electronically verify Personal Identity Verification (PIV) credentials.
The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DoD has mandated the use of the CAC to support identity management and personal authentication f...Rule Medium Severity -
SRG-APP-000402
Group -
The Tanium application must accept Personal Identity Verification (PIV) credentials from other federal agencies.
Access may be denied to authorized users if federal agency PIV credentials are not accepted. PIV credentials are issued by federal agencies and conform to FIPS Publication 201 and supporting guid...Rule Medium Severity -
SRG-APP-000456
Group -
The Tanium application must install security-relevant software updates within the time period directed by an authoritative source (e.g., IAVM, CTOs, DTMs, and STIGs).
Security flaws with software applications are discovered daily. Vendors are constantly updating and patching their products to address newly discovered security vulnerabilities. Organizations (incl...Rule Medium Severity -
SRG-APP-000471
Group -
Tanium must alert the ISSO, ISSM, and other individuals designated by the local organization when the following Indicators of Compromise (IOCs) or potential compromise are detected: real-time intrusion detection; threats identified by authoritative sources (e.g., CTOs); and Category I, II, IV, and VII incidents in accordance with CJCSM 6510.01B.
When a security event occurs, the application that has detected the event must immediately notify the appropriate support personnel so they can respond appropriately. Alerts may be generated from...Rule Medium Severity -
SRG-APP-000516
Group -
Tanium Server processes must be excluded from On-Access scan.
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, intrusion prevention sys...Rule Medium Severity -
SRG-APP-000580
Group -
The Tanium application must authenticate endpoint devices (servers) before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based.
Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Bidirectional authentication provides stronger safeguards to validate the...Rule Medium Severity
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