HYCU for Nutanix Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000395-NDM-000347
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The HYCU VM console 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 -
SRG-APP-000516-NDM-000317
Group -
SRG-APP-000003-NDM-000202
Group -
SRG-APP-000317-NDM-000282
Group -
The HYCU server must terminate shared/group account credentials when members leave the group.
A shared/group account credential is a shared form of authentication that allows multiple individuals to access the network device using a single account. If shared/group account credentials are no...Rule Medium Severity -
SRG-APP-000033-NDM-000212
Group -
SRG-APP-000357-NDM-000293
Group -
SRG-APP-000328-NDM-000286
Group -
If the HYCU Server or Web UI uses discretionary access control, the network device must enforce organization-defined discretionary access control policies over defined subjects and objects.
Discretionary Access Control (DAC) is based on the notion that individual network administrators are "owners" of objects and therefore have discretion over who should be authorized to access the ob...Rule Medium Severity -
SRG-APP-000038-NDM-000213
Group -
The HYCU virtual machine must enforce approved authorizations for controlling the flow of management information within the network device 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 server and Web UI 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 -
SRG-APP-000068-NDM-000215
Group -
SRG-APP-000080-NDM-000220
Group -
The HYCU VM console and HYCU Web UI must be configured to use an authentication server for authenticating users prior to granting access to protect against an individual (or process acting on behalf of an individual) falsely denying having performed organization-defined requirements.
Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control is a particularly important protection against the insider threat. This ...Rule High Severity -
SRG-APP-000091-NDM-000223
Group -
The HYCU server 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 server must generate audit records when successful/unsuccessful attempts to modify or delete administrator privileges occur.
This requirement addresses the configuration of network devices to mitigate the impact of DoS attacks that have occurred or are ongoing on device availability. For each network device, known and po...Rule Medium Severity -
SRG-APP-000503-NDM-000320
Group -
The HYCU server must generate audit records when successful/unsuccessful logon 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 -
SRG-APP-000096-NDM-000226
Group -
SRG-APP-000100-NDM-000230
Group -
The HYCU server must generate audit records containing information that establishes the identity of any individual or process associated with the event.
Without information that establishes the identity of the subjects (i.e., administrators or processes acting on behalf of administrators) associated with the events, security personnel cannot determ...Rule Medium Severity -
SRG-APP-000101-NDM-000231
Group -
The HYCU Server 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 -
SRG-APP-000095-NDM-000225
Group -
The HYCU server must initiate session auditing upon startup and produce audit log records containing sufficient information to establish what type of event occurred.
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 in order to compile an accurate risk assessment. ...Rule Medium Severity -
SRG-APP-000515-NDM-000325
Group -
The HYCU server must be configured to conduct backups of system-level information when changes occur and to offload audit records onto a different system or media.
Information system backup is a critical step in maintaining data assurance and availability. Information system and security-related documentation contains information pertaining to system configur...Rule Medium Severity -
SRG-APP-000360-NDM-000295
Group -
The HYCU Web UI must generate an immediate real-time alert of all audit failure events requiring real-time alerts.
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without a real-time alert, security personnel may be unaware of an impe...Rule Medium Severity -
SRG-APP-000373-NDM-000298
Group -
The HYCU server 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-000120-NDM-000237
Group -
SRG-APP-000121-NDM-000238
Group -
SRG-APP-000516-NDM-000351
Group -
The HYCU appliance must be running a release that is currently supported by the vendor.
Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated with recent vulnerabilities.Rule High Severity -
SRG-APP-000516-NDM-000351
Group -
The HYCU server must back up audit records at least every seven days onto a different system or system component than the system or component being audited.
Protection of log data includes assuring log data is not accidentally lost or deleted. Regularly backing up audit records to a different system or onto separate media than the system being audited ...Rule Medium Severity -
SRG-APP-000516-NDM-000344
Group -
The HYCU server must obtain its public key certificates from an appropriate certificate policy through an approved service provider.
For user certificates, each organization obtains certificates from an approved, shared service provider, as required by OMB policy. For federal agencies operating a legacy public key infrastructure...Rule Medium Severity -
SRG-APP-000142-NDM-000245
Group -
The network device must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services.
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 High Severity -
SRG-APP-000156-NDM-000250
Group
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