III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000259
Group -
The operating system must limit privileges to change software resident within software libraries.
If the operating system were to allow any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part...Rule Medium Severity -
SRG-OS-000266
Group -
The operating system must enforce password complexity by requiring that at least one special character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity or strength is a measure of the effectiveness of a password in resisting ...Rule Medium Severity -
SRG-OS-000269
Group -
In the event of a system failure, the operating system must preserve any information necessary to determine cause of failure and any information necessary to return to operations with least disruption to mission processes.
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-OS-000274
Group -
The operating system must notify system administrators and ISSOs when accounts are created.
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 create a new ...Rule Medium Severity -
SRG-OS-000275
Group -
The operating system must notify system administrators and ISSOs when accounts are modified.
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 modify an exi...Rule Medium Severity -
SRG-OS-000276
Group -
The operating system must notify system administrators and ISSOs when accounts are disabled.
When operating system accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual operating system users or for identifying the operating system processe...Rule Medium Severity -
SRG-OS-000277
Group -
The operating system must notify system administrators and 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-000278
Group -
The operating system must use cryptographic mechanisms to protect the integrity of audit tools.
Protecting the integrity of the tools used for auditing purposes is a critical step toward ensuring the integrity of audit information. Audit information includes all information (e.g., audit recor...Rule High Severity -
SRG-OS-000279
Group -
The operating system must automatically terminate a user session after inactivity time-outs have expired or at shutdown.
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-000280
Group -
The operating system must provide a logoff capability for user-initiated communications sessions when requiring user access authentication.
If a user cannot explicitly end an operating system session, the session may remain open and be exploited by an attacker; this is referred to as a zombie session. Information resources to which us...Rule Medium Severity
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