California DMV uses convergepay for credit card processing.  I just re-ran a check of that site on SSL Labs to check the certificate and security and the grade was a B (it was previously a C).

• There is no support for secure renegotiation
• This server does not support Forward Secrecy with the reference browsers.
• Server support weak cipher suites
• Certificate is not a extended Validation Cert.

Security have improved since my report in May of 2018.

• Computer Security
• Cyber Security
• Personal Security