The default Certificate Authorities may be updated to match internal requirements. This will allow you to understand what kind of certificate you have and how to change the settings if required.
Security Analytics 8.3.1
To display the Certificate Authorities from the command line, run as root: openssl x509 -in /etc/ssl/certs/ca-bundle.crt -noout -subject -issuer
To update the Certificate Authorities in the Web UI, open the Help pages and search for "SSL Certificates and Keys".