As of 5:15 on 1/5/10 the following problem has been resolved.
We are currently having problems with the provider of our security certificates. If you are using the Firefox browser and try to browse through to one of our subscription databases you will see an error message.
To get around the problem in the meantime you can either use the Internet Explorer browser or click “I Understand the Risks” then the “Add Exception” button, and then in the popup window “Confirm Security Exception”. This will let you browse through to the databases and will not impact any other websites or other security settings.
See below for an example: