Repository of Documentation and Issuing CA Certificates

This site contains information on the Google Internet Authority G2, Google’s intermediate CA which issues digital certificates for Google web sites and properties. You can download the Certification Practice Statement (CPS) which details Google’s practices on issuing digital certificates, as well as the intermediate certificates and the Certificate Revocation List (CRL).

The Google Internet Authority G2 is operated in accordance with the latest version of the CA/Browser Forum Baseline Requirements. It is signed by the GeoTrust Global CA, as described in our Certification Practice Statement.

Please note that Google Internet Authority G2 is expiring at the end of 2018 and will not be used anymore. See Google Trust Services PKI for more info.

Google's Issuing CA certificate

Google Internet Authority G2

Google Certification Practice Statement

Google Internet Authority G2 CPS v2.4

Certificate Revocation List

Google Internet Authority G2 CRL

Reporting Incidents

If you are looking to report a security incident involving Google certificates, please follow the steps outlined at Google security and product safety.


Contact the Google PKI team at

Audit Reports

WebTrust Trust Services Criteria for CAs seal WebTrust for CAs Baseline Requirements seal