Virtual Machine Manager Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000001
Group -
The VMM must provide automated mechanisms for supporting account management functions.
Enterprise environments make account management challenging and complex. A manual process for account management functions adds the risk of a potential oversight or other error. A comprehensive a...Rule Medium Severity -
SRG-OS-000002
Group -
The VMM must automatically remove or disable local temporary user accounts after 72 hours.
If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be used to gain unauthorized access. To mitigate this risk, automated termination of al...Rule Medium Severity -
SRG-OS-000003
Group -
SRG-OS-000004
Group -
The VMM must automatically audit account creation.
Once an attacker establishes initial 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 create...Rule Medium Severity -
SRG-OS-000021
Group -
The VMM must enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period.
By limiting the number of failed login attempts, the risk of unauthorized VMM access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the acco...Rule Medium Severity -
SRG-OS-000023
Group -
The VMM 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 VMM ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executi...Rule Medium Severity -
SRG-OS-000024
Group -
SRG-OS-000027
Group -
The VMM must limit the number of concurrent sessions to ten for all accounts and/or account types.
VMM management includes the ability to control the number of users and user sessions that utilize the VMM. Limiting the number of allowed users and sessions per user is helpful in limiting risks r...Rule Medium Severity -
SRG-OS-000028
Group -
The VMM 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 VMM but does not want to log out because of the temporary nature of the...Rule Medium Severity -
SRG-OS-000029
Group -
The VMM must initiate a session lock after a 15-minute period of inactivity.
A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the VMM but does not log out because of the temporary nature of the...Rule Medium Severity -
SRG-OS-000030
Group -
The VMM must provide the capability for users to directly initiate a session lock.
A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the VMM but does not want to log out because of the temporary nature of the ...Rule Medium Severity
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