According to the Mozilla Software Engineer Jared Wein blog post, the Firefox team has introduced a brand new favicon with the killing of the old one in yesterday’s night build. Wein states that the changes are set to arrive in the release channel in mid-July. The blog post says, “This behavior can trick users in to thinking that a site is using a secure connection when on an unsecured connection.”
More details on what’s coming up:
Websites that use SSL certificates with Extended Validation will now have a green padlock next to the certificate owner’s organization name.
Websites that use SSL certificates without Extended Validation will now have a grey padlock. The effective hostname will no longer appear next to the padlock. This information is redundant with our darkening of the effective hostname in the website address.
Websites that do not use SSL certificates or have mixed-content will fallback to a globe icon.