VMware vSphere 8.0 STIG Implementation

18 items · Security · Hard difficulty · 1 day

Practical steps to apply the DISA vSphere 8.0 STIG across vCenter, ESXi and VMs.

• Download the VMware vSphere 8.0 STIG from Cyber.mil

  Get the latest XCCDF/STIG bundle from https://cyber.mil/ (or https://public.cyber.mil/ if no CAC).

• Review STIG scope and component list

  Identify which STIGs apply: vCenter, ESXi, Virtual Machine, and appliance services.

• Inventory all vSphere assets and versions

  List vCenter instances, ESXi hosts, appliances, and critical VMs with software versions.

• Verify vSphere Update level or plan upgrade to Update 2

  Ensure systems run vSphere 8.0 Update 2 or schedule an upgrade before applying STIGs.

• Backup vCenter, ESXi configurations, and critical VMs

  Take full backups and export configs before making STIG changes.

• Apply vCenter STIG configuration settings

  Implement recommended hardening, authentication, and logging per vCenter STIG.

• Harden ESXi hosts according to ESXi STIG

  Configure host lockdown, secure services, SSH access, and auditing settings.

• Harden virtual machines per the VM STIG

  Disable unnecessary virtual devices and apply guest OS STIG guidance.

• Secure vCenter Appliance services

  Apply STIG controls to vCenter appliance components and services.

• Harden Photon OS on the vCenter Appliance

  Apply OS-level hardening, patching, and secure defaults for Photon OS 4.0.

• Secure PostgreSQL on the vCenter Appliance

  Enforce DB authentication, remove default accounts, and enable encryption where required.

• Verify and restrict appliance service accounts and permissions

  Ensure least privilege for EAM, Envoy, Lookup, Perfcharts, UI, STS, and VAMI services.

• Enable centralized logging and auditing for vCenter and ESXi

  Forward logs to SIEM, enable audit trails, and configure retention per policy.

• Run an automated STIG compliance scan (SCAP/XCCDF)

  Use the provided XCCDF or DISA tooling to generate a compliance report.

• Review scan results and remediate findings

  Prioritize high-risk findings, apply fixes, and rerun scans until compliance met.

• Document all configuration changes and maintain a change log

  Record who made changes, approvals, and rollback steps for audits.

• Subscribe for STIG updates and schedule periodic audits

  Monitor Cyber.mil for updates and plan regular compliance reviews.

• Submit comments or change requests to DISA if needed

  Send proposed revisions to [email protected] per the STIG change process.

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