Web Certificate Error

Web certificate errors occur in modern web browsers when some aspect of identity information is out of sync with the web site that is being browsed via HTTPS.

Common problems include expired dates, non-precise domains (eg www.paypal.com vs paypal.com) and simply using the wrong certificate for the domain.

Users have become trained to click through the ominous errors that modern browsers put up wihch can result in successfull phishing attacks.