II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000920-NDM-000320
Group -
The HYCU virtual appliance must be configured to synchronize internal information system clocks using redundant authoritative time sources.
The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run mode) and increasingly inaccurate time stamps on audit events and other ...Rule Medium Severity -
SRG-APP-000845-NDM-000220
Group -
The HYCU virtual appliance must not have any default manufacturer passwords when deployed.
Virtual machines not protected with strong password schemes provide the opportunity for anyone to crack the password and gain access to the device, which can result in loss of availability, confide...Rule Medium Severity -
SRG-APP-000001-NDM-000200
Group -
The HYCU virtual appliance must limit the number of concurrent sessions to an organization-defined number for each administrator account and/or administrator account type.
Device management includes the ability to control the number of administrators and management sessions that manage a device. Limiting the number of allowed administrators and sessions per administr...Rule Medium Severity -
SRG-APP-000033-NDM-000212
Group -
The HYCU virtual appliance must enforce the assigned privilege level for each administrator and authorizations for access to all commands relative to the privilege level in accordance with applicable policy for the device.
To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-approved PKIs, all DOD systems must be properly configured to incorporate ...Rule High Severity -
SRG-APP-000329-NDM-000287
Group -
If the HYCU virtual appliance uses role-based access control, it must enforce organization-defined role-based access control policies over defined subjects and objects.
Organizations can create specific roles based on job functions and the authorizations (i.e., privileges) to perform needed operations on organizational information systems associated with the organ...Rule Medium Severity -
SRG-APP-000038-NDM-000213
Group -
The HYCU virtual appliance must enforce approved authorizations for controlling the flow of management information within the appliance based on 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 management information flow is not enforced based on approved autho...Rule Medium Severity -
SRG-APP-000343-NDM-000289
Group -
The HYCU virtual appliance must audit the execution of privileged functions.
Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and...Rule Medium Severity -
SRG-APP-000065-NDM-000214
Group -
The HYCU virtual appliance must be configured to enforce the limit of three consecutive invalid login attempts, after which time it must block any login attempt for 15 minutes.
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.Rule Medium Severity -
SRG-APP-000068-NDM-000215
Group -
The HYCU virtual appliance must display the Standard Mandatory DOD Notice and Consent Banner before granting access to the device.
Display of the DOD-approved use notification before granting access to the network device ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executi...Rule Medium Severity -
SRG-APP-000069-NDM-000216
Group -
The HYCU virtual appliance must retain the Standard Mandatory DOD Notice and Consent Banner on the screen until the administrator acknowledges the usage conditions and takes explicit actions to log in for further access.
The banner must be acknowledged by the administrator prior to the device allowing the administrator access to the network device. This provides assurance that the administrator has seen the message...Rule Medium Severity -
SRG-APP-000026-NDM-000208
Group -
The HYCU virtual appliance must automatically audit account creation.
Upon gaining access to a network device, an attacker will often first attempt to create a persistent method of reestablishing access. One way to accomplish this is to create a new account. Notifica...Rule Medium Severity -
SRG-APP-000027-NDM-000209
Group -
The HYCU virtual appliance must automatically audit account modification.
Since the accounts in the network device are privileged or system-level accounts, account management is vital to the security of the network device. Account management by a designated authority ens...Rule Medium Severity -
SRG-APP-000028-NDM-000210
Group -
The HYCU virtual appliance must automatically audit account disabling actions.
Account management ensures access to the network device is being controlled in a secure manner by granting access to only authorized personnel. Auditing account disabling actions will support accou...Rule Medium Severity -
SRG-APP-000029-NDM-000211
Group -
The HYCU virtual appliance must automatically audit account removal actions.
Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting access to only authorized personnel. Auditing account removal actions will su...Rule Medium Severity -
SRG-APP-000175-NDM-000262
Group -
The HYCU virtual appliance must be configured to use DOD-approved online certificate status protocol (OCSP) responders or certificate revocation lists (CRLs) to validate certificates used for PKI-based authentication.
Once issued by a DOD certificate authority (CA), public key infrastructure (PKI) certificates are typically valid for three years or shorter within the DOD. However, there are many reasons a certif...Rule High Severity -
SRG-APP-000516-NDM-000336
Group -
The HYCU virtual appliance must be configured to use at least two authentication servers for authenticating users prior to granting administration access.
Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control is particularly important protection against the insider threat. With ro...Rule High Severity -
SRG-APP-000149-NDM-000247
Group -
The HYCU virtual appliance must be configured to use DOD PKI as multifactor authentication (MFA) for interactive logins.
MFA is when two or more factors are used to confirm the identity of an individual who is requesting access to digital information resources. Valid factors include something the individual knows (e....Rule High Severity -
SRG-APP-000091-NDM-000223
Group -
The HYCU virtual appliance 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-000495-NDM-000318
Group -
The HYCU virtual appliance must generate audit records when successful/unsuccessful attempts to modify administrator 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-000499-NDM-000319
Group -
The HYCU virtual appliance must generate audit records when successful/unsuccessful attempts to delete administrator 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-000503-NDM-000320
Group -
The HYCU virtual appliance must generate audit records when successful/unsuccessful login attempts 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-000504-NDM-000321
Group -
The HYCU virtual appliance must generate audit records for privileged activities or other system-level access.
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-000516-NDM-000334
Group -
The HYCU virtual appliance must generate log records for a locally developed list of auditable events.
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-000096-NDM-000226
Group -
The HYCU virtual appliance must produce audit records containing information to establish when events occurred, where events occurred, the source of the event, the outcome of the event, and identity of any individual or process associated with the event.
It is essential for security personnel to know what is being done, what was attempted, where it was done, when it was done, and by whom it was done to compile an accurate risk assessment. Logging t...Rule Medium Severity -
SRG-APP-000101-NDM-000231
Group -
The HYCU virtual appliance must generate audit records containing the full-text recording of privileged commands.
Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information. Organizations consider limiting the additional audit information to only ...Rule Medium Severity
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