Symantec has sold its certificate authority (CA) business to DigiCert for US$950 million and a 30-percent stake in the smaller company. Google has raised questions about the validity of SSL and TLS certificates issued by the company. Chrome Chrome has begun scaling back the level of trust in its Chrome browser for older certificates. Google plans to issue warnings for more and more of the certificates issued under what it considers insecure processes. The certificates are intended to secure and authenticate communications between websites and browsers, among other applications.”]