II - Mission Support Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000076
Group -
Operating systems must enforce a 60-day maximum password lifetime restriction.
Any password, no matter how complex, can eventually be cracked; therefore, passwords need to be changed periodically. If the operating system does not limit the lifetime of passwords and force user...Rule Medium Severity -
SRG-OS-000078
Group -
The operating system must enforce a minimum 15-character password length.
The shorter the password, the lower the number of possible combinations that need to be tested before the password is compromised. Password complexity, or strength, is a measure of the effectivene...Rule Medium Severity -
SRG-OS-000079
Group -
The operating system must obscure feedback of authentication information during the authentication process to protect the information from possible exploitation/use by unauthorized individuals.
To prevent the compromise of authentication information, such as passwords during the authentication process, the feedback from the operating system shall not provide any information allowing an un...Rule Medium Severity -
SRG-OS-000080
Group -
The operating system must enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.
To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must be...Rule Medium Severity -
SRG-OS-000095
Group -
The operating system must be configured to disable non-essential capabilities.
It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooke...Rule Medium Severity -
SRG-OS-000096
Group -
The operating system must be configured to prohibit or restrict the use of 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 -
SRG-OS-000104
Group -
The operating system must uniquely identify and must authenticate organizational users (or processes acting on behalf of organizational users).
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 -
SRG-OS-000105
Group -
The operating system must use multifactor authentication for network access to privileged accounts.
Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor authentication requires using two or more factors to achieve authenticat...Rule Medium Severity -
SRG-OS-000106
Group -
The operating system must use multifactor authentication for network access to non-privileged accounts.
To assure accountability and prevent unauthenticated access, non-privileged users must utilize multifactor authentication to prevent potential misuse and compromise of the system. Multifactor auth...Rule Medium Severity -
SRG-OS-000107
Group -
The operating system must use multifactor authentication for local access to privileged accounts.
To ensure accountability and prevent unauthenticated access, privileged users must utilize multifactor authentication to prevent potential misuse and compromise of the system. Multifactor authenti...Rule Medium Severity
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