III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000304
Group -
Tanium must audit and notify system administrators and ISSOs when accounts are enabled.
Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing access. One way to accomplish this is for the attacker to enable an exis...Rule Medium Severity -
SRG-OS-000329
Group -
Tanium must automatically lock accounts and require them be unlocked by an administrator when three unsuccessful login attempts in 15 minutes are exceeded.
By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute forcing, is reduced. Limits are imposed by locking the a...Rule Medium Severity -
SRG-OS-000342
Group -
The Tanium operating system (TanOS) 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. Sa...Rule Medium Severity -
SRG-OS-000343
Group -
The Tanium operating system (TanOS) must provide an immediate warning to the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75 percent of repository maximum audit record storage capacity.
If security personnel are not notified immediately when storage volume reaches 75 percent, they are unable to plan for audit record storage capacity expansion.Rule Medium Severity -
SRG-OS-000344
Group -
The Tanium operating system (TanOS) must provide an immediate real-time alert to the SA and ISSO, 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-OS-000355
Group -
The Tanium operating system (TanOS) must, for networked systems, compare internal information system clocks at least every 24 hours with a server synchronized to one of the redundant United States Naval Observatory (USNO) time servers or a time server designated for the appropriate DOD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS).
Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when condu...Rule Medium Severity -
SRG-OS-000356
Group -
The Tanium Operating System (TanOS) must synchronize internal information system clocks to the authoritative time source when the time difference is greater than the organization-defined time period.
Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when condu...Rule Medium Severity -
SRG-OS-000357
Group -
The Tanium Operating System (TanOS) must be configured to synchronize internal information system clocks with the primary and secondary time sources located in different geographic regions using redundant authoritative time sources.
The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run mode) and increasingly inaccurate time stamps on audit events and other ...Rule Medium Severity -
SRG-OS-000401
Group -
The Tanium operating system (TanOS) must perform data integrity verification on the name/address resolution responses the system receives from authoritative sources.
If data origin authentication and data integrity verification is not performed, the resultant response could be forged, it may have come from a poisoned cache, the packets could have been intercept...Rule Medium Severity -
SRG-OS-000402
Group -
The Tanium operating system (TanOS) must perform data origin verification authentication on the name/address resolution responses the system receives from authoritative sources.
If data origin authentication and data integrity verification is not performed, the resultant response could be forged, it may have come from a poisoned cache, the packets could have been intercept...Rule Medium Severity
Node 2
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