Certificate Errors

Greetings!

During the past 48 hours, when navigating to some sites, like "economist.com", my bank's and when making secured (https:) transactions, I have encountered several certificate-error warning messages similar to this:

*To protect your computer, Internet Explorer has blocked content from websites containing certificate errors.*

When viewing the "errant" certificate, "BitDefender CA" is noted as the issuer and in two cases was "Not a recognized Certificate Authority".

The warnings are not generated consistently; that is, I have re-visited some of the "offending" sites and the warning I previously received is NOT repeated.

Any exlanation of what is going on will be much appreciated.

Thanks.

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JMJsquared

Greetings!

During the past 48 hours, when navigating to some sites, like "economist.com", my bank's and when making secured (https:) transactions, I have encountered several certificate-error warning messages similar to this:

*To protect your computer, Internet Explorer has blocked content from websites containing certificate errors.*

When viewing the "errant" certificate, "BitDefender CA" is noted as the issuer and in two cases was "Not a recognized Certificate Authority".

The warnings are not generated consistently; that is, I have re-visited some of the "offending" sites and the warning I previously received is NOT repeated.

Any exlanation of what is going on will be much appreciated.

Thanks.

EDIT/FOLLOW-UP:

JMJsquared

EDIT/FOLLOW-UP:

Since posting the foregoing, I learned that Comodo Group, the Internet security company and Certificate Authority based in NJ, U.S.A., was hacked. A person claiming to be the hacker also claims to have issued a number of stolen/phony certificates. Perhaps this explains the errors I reported, as the Web's "chain of trust" had been compromised and IE was "alerting" me to that fact.

Please see this article: http://www.nytimes.com/2011/04/07/technolo...7hack.html?_r=1

Any better informed opinion will be much appreciated.

Thanks.

rootkit

Sorry for the delayed reply.

This issue has been fixed.

Thank you for your feedback.

Have a nice day.