VMware vSphere Security Configuration Guide 6.7
Introduction
The vSphere Security Configuration Guide is the baseline for hardening & auditing guidance for vSphere itself. Started more than a decade ago, it has served as guidance for vSphere Administrators as they work to protect their infrastructure, as well as to guide VMware in making vSphere secure by default.
Link
The vSphere Security Hardening Guide 6.7 can be found at:
https://www.vmware.com/content/dam/digitalmarketing/vmware/en/files/xls/vsphere-6.7-update-1-security-configuration-guide.xlsx