In the past day a number of Safari users noticed a frequent and seemingly widespread error that claimed a certificate is invalid for a connection to the URL "static ...

News of an Iranian hacker duping certification authority Comodo into issuing digital certificates to one or more unauthorized parties has caused an uproar in the IT community, moving some critics to ...

You visit a client or other website and, instead of the site itself, you encounter a security certificate error. If you are using Windows and Internet Explorer, the ...

The errors variously range from "this app is damaged and can't be opened" to "this app was purchased on another computer." In some cases, users were able to rectify the problem by logging out of and ...

Users around the world have had trouble accessing some HTTPS websites due to an error at GlobalSign, one of the world’s largest certificate authorities. As part of ...

Users around the world have had trouble accessing some HTTPS websites due to an error at GlobalSign, one of the world’s largest certificate authorities. As part of ...