Considering vCenter Server Certificates to minimize security threats
Security for vCenter Server is really important. However, it is an organization's security policy and architecture decision, whether to use certificates or not.
If your organization's policy requires a certificate then you must use one. Also, if there is a potential possibility of man-in-the-middle attacks when using management interfaces, such as vSphere Client, then using certificates is a must.
VMware products use standard X.509 Version 3 certificates to encrypt session information sent over Secure Socket Layer (SSL) protocol connections between components. However, by default, vSphere includes self-signed certificates. It is an organization's policy which will decide whether ...