Tanium 7.x Operating System on TanOS Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000228
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The publicly accessible Tanium Operating System (TanOS) must display the Standard Mandatory DOD Notice and Consent Banner before granting access to the system.
Display of a standardized and approved use notification before granting access to the publicly accessible operating system ensures privacy and security notification verbiage used is consistent with...Rule Medium Severity -
SRG-OS-000274
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SRG-OS-000275
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SRG-OS-000344
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SRG-OS-000277
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The Tanium Operating System (TanOS) must notify system administrators (SAs) and information system security officers (ISSOs) when accounts are removed.
When operating system accounts are removed, user accessibility is affected. Accounts are utilized for identifying individual operating system users or for identifying the operating system processes...Rule Medium Severity -
SRG-OS-000279
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Tanium Operating System (TanOS) must automatically terminate a user session after organization-defined conditions or trigger events requiring session disconnect.
Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of network connections that are associated with communications sessions (i....Rule Medium Severity -
SRG-OS-000304
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SRG-OS-000329
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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
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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
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SRG-OS-000356
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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
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SRG-OS-000401
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SRG-OS-000402
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