How to resolve certificate errors

You have been redirected to this page because you have received a certificate error whilst attempting to access Serco corporate services. Before you can continue to open the application or service, please follow the instructions below to install the correct certificates:

Serco Self-Service Certificate Installation Instructions [PDF]

The list of the six certificates required to be installed in sequence are:

  1. Serco Root:  sercoica.cer
  2. Serco Issuing CA: scosgtc5peca101.cer
  3. Serco IBO London: sercoibolon.cer
  4. Serco IBO Amsterdam: sercoiboams.cer
  5. Serco DPI ECC: sercodpiecc.pem
  6. Serco DPI RSA: sercodpirsa.pem