II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000001
Group -
The Mainframe Product must limit the number of concurrent sessions to three for all accounts and/or account types.
Application management includes the ability to control the number of users and user sessions that utilize an application. Limiting the number of allowed users and sessions per user is helpful in li...Rule Medium Severity -
SRG-APP-000002
Group -
The Mainframe Product must conceal, via the session lock, information previously visible on the display with a publicly viewable image.
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 information system, but does not log out because of the tempora...Rule Medium Severity -
SRG-APP-000003
Group -
The Mainframe Product 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 information system, but does not log out because of the tempora...Rule Medium Severity -
SRG-APP-000004
Group -
The Mainframe Product 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 information system, but does not want to log out because of the temporar...Rule Medium Severity -
SRG-APP-000005
Group -
The Mainframe Product 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 information system, but does not want to log out because of the temporar...Rule Medium Severity -
SRG-APP-000023
Group -
The Mainframe Product must use an external security manager for all account management functions.
Enterprise environments make application account management challenging and complex. A manual process for account management functions adds the risk of a potential oversight or other error. A comp...Rule Medium Severity -
SRG-APP-000024
Group -
The Mainframe Product must automatically remove or disable 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-APP-000025
Group -
The Mainframe Product must automatically disable accounts after 35 days of account inactivity.
Attackers that are able to exploit an inactive account can potentially obtain and maintain undetected access to an application. Owners of inactive accounts will not notice if unauthorized access to...Rule Medium Severity -
SRG-APP-000026
Group -
The Mainframe Product must automatically audit account creation.
Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of re-establishing access. One way to accomplish this is for the attacker to simpl...Rule Medium Severity -
SRG-APP-000027
Group -
The Mainframe Product must automatically audit account modification.
Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of re-establishing access. One way to accomplish this is for the attacker to simpl...Rule Medium Severity -
SRG-APP-000028
Group -
The Mainframe Product must automatically audit account disabling actions.
When application accounts are disabled, user accessibility is affected. Accounts are used for identifying individual application users or for identifying the application processes themselves. In or...Rule Medium Severity -
SRG-APP-000029
Group -
The Mainframe Product must automatically audit account removal actions.
When application accounts are removed, user accessibility is affected. Accounts are used for identifying individual application users or for identifying the application processes themselves. In ord...Rule Medium Severity -
SRG-APP-000033
Group -
The Mainframe Product must enforce approved authorizations for logical access to sensitive 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., networks, web servers, and web porta...Rule Medium Severity -
SRG-APP-000033
Group -
The Mainframe Product must enforce approved authorizations for security administrator access to sensitive 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., networks, web servers, and web porta...Rule Medium Severity -
SRG-APP-000033
Group -
The Mainframe Product must enforce approved authorizations for system programmer access to sensitive 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., networks, web servers, and web porta...Rule Medium Severity -
SRG-APP-000038
Group -
The Mainframe Product must enforce approved authorizations for controlling the flow of information within the system based on site security plan information flow control policies.
A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design. If information flow is not enforced based on approved authorizations, ...Rule Medium Severity -
SRG-APP-000065
Group -
The Mainframe Product 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 logon 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-APP-000073
Group -
Mainframe Products scanning for malicious code must scan all media used for system maintenance prior to use.
There are security-related issues arising from software brought into the information system specifically for diagnostic and repair actions (e.g., a software packet sniffer installed on a system in ...Rule Medium Severity -
SRG-APP-000080
Group -
The Mainframe Product must protect against an individual (or process acting on behalf of an individual) falsely denying having performed actions defined in the site security plan to be covered by non-repudiation.
Without non-repudiation, it is impossible to positively attribute an action to an individual (or process acting on behalf of an individual). Non-repudiation services can be used to determine if in...Rule Medium Severity -
SRG-APP-000086
Group -
For Mainframe Products providing audit record aggregation, the Mainframe Product must compile audit records from mainframe components into a system-wide audit trail that is time-correlated with a tolerance for the relationship between time stamps of individual records in the audit trail in accordance with the site security plan.
Without the ability to collate records based on the time when the events occurred, the ability to perform forensic analysis and investigations across multiple components is significantly degraded. ...Rule Medium Severity -
SRG-APP-000089
Group -
The Mainframe Product must provide audit record generation capability for DoD-defined auditable events within all application components.
Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident, or identify those responsible for one. Audit r...Rule Medium Severity -
SRG-APP-000090
Group -
The Mainframe Product must allow only the information system security manager (ISSM) or individuals or roles appointed by the ISSM to select which auditable events are to be audited.
Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel may be able to prevent the auditing of critical events. Misconfigured audi...Rule Medium Severity -
SRG-APP-000091
Group -
The Mainframe Product must generate audit records when successful/unsuccessful attempts to access privileges occur.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-APP-000092
Group -
The Mainframe Product must initiate session auditing upon startup.
If auditing is enabled late in the start-up process, the actions of some start-up processes may not be audited. Some audit systems also maintain state information only available if auditing is enab...Rule Medium Severity -
SRG-APP-000095
Group -
The Mainframe Product must produce audit records containing information to establish what type of events occurred.
Without establishing what type of event occurred, it would be difficult to establish, correlate, and investigate the events relating to an incident, or identify those responsible for one. Audit r...Rule Medium Severity
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