Trusted Root Certification Authorities(Implicitly trusted certification authorities. Includes all of the certificates in the Third-Party Root Certification Authorities store plus root certificates from the user organization and Microsoft)
trusted third parties(In cryptography, a trusted third party (TTP) is an entity which facilitates interactions between two parties who both trust the third party; the Third Party reviews all critical transaction communications between the parties, based on the ease of creating fraudulent digital content (Wiki) aldrignedigen)