Your software is showing Trusted ID as a deceptive site.
Firefox is showing the TrustedID site as a deceptive site. This is the site that Equifax is linking to for people to get credit monitoring because of the massive data breach. The site is https://www.equifaxsecurity2017.com/enroll/. If you click the "Begin Enrollment" button, it comes up with the Deceptive Site message. If this is really a deceptive site, there is a massive international problem because tens of millions of people are going to be going there. If it is not deceptive, then Firefox should change this immediately because it will cause Firefox users to avoid getting the protection they need because of the breach.
Alla svar (1)
I clicked the "Begin Enrollment" button, and was directed to; https://trustedidpremier.com/eligibility/eligibility.html
There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.
Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.
A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?