Microsoft Root Certificate Program Members

 

Updated February 2005

Microsoft® maintains a list of trusted third-party commercial certificate authorities to enable secure and usable e-commerce for Microsoft® Windows® users. These certificate authorities validate the identity and entitlement of an applicant, and as an output of this process, issue the applicant a digital certificate.

Digital certificates can be used to prove the identity of a remote person or resource, since not all certificate authorities follow the same operational practices. Microsoft uses an independent third-party audit (WebTrust for Certificate Authorities) along with other technical requirements to ensure our customers are have access to trustworthy CAs.

For information on Microsoft Root Certificate Program requirements, see the Microsoft TechNet Web site.

Member Secure E-mail Server Authentication Client Authentication Code Signing Time Stamping
AOL (https://www.aol.com) Yes Yes Yes Yes Yes
A-Trust (https://www.a-trust.at) Yes Yes Yes Yes Yes
Arge Daten (https://www.signatur.rtr.at/de/providers/providers/argedaten.html) No Yes No No No
AS Sertifitseerimiskeskuse (https://www.sk.ee) Yes Yes Yes No No
Asociacion Nacional del Notariado Mexicano (https://www.notariadomexicano.org.mx) Yes Yes No No No
Austria Telekom-Control Commission (https://www.signatur.rtr.at) Yes Yes Yes No No
Autoridade Certificadora Raiz Brasileira (https://www.icpbrasil.gov.br) Yes Yes Yes No No
Autoridad de Certificacion Firmaprofesional Yes Yes Yes Yes Yes
Baltimore (https://www.baltimore.com) Yes Yes Yes Yes No
Belgacom E-Trust (https://www.e-trust.be) Yes Yes Yes Yes Yes
CC Signet (https://www.signet.pl) Yes Yes Yes Yes Yes
CAMERFIRMA (https://www.camerfirma.com) Yes Yes Yes Yes Yes
Certicámara S.A. (https://www.certicamara.com/) Yes Yes Yes No No
Certisign (https://www.certisign.com.br/) Yes Yes No No No
CertPlus (https://www.certplus.com) Yes Yes Yes Yes No
Colegio de Registradores Yes Yes Yes No No
Comodo Group (https://www.comodogroup.com/) Yes Yes Yes Yes Yes
ComSign (https://www.ComSign.co.il) Yes Yes Yes Yes Yes
Correo No Yes No No No
Deutsche Telekom (https://www.telekom.de) Yes Yes No No No
DST (https://www.digsigtrust.com/) Yes Yes No No No
Entrust (https://www.entrust.com/certificate_services/index.htm) Yes Yes Yes Yes Yes
eSign (https://www.esign.com.au/) Yes No Yes No Yes
EUnet International (https://www.eunet.fi/) Yes Yes No No No
FESTE (https://www.feste.org/) Yes Yes No No Yes
First Data Digital Certificates (https://www.firstdata.com/index.jsp) Yes No Yes Yes Yes
FNMT (https://www.ceres.fnmt.es/) Yes Yes No No No
Gatekeeper Root CA (https://www.agimo.gov.au/infrastructure/gatekeeper) Yes No Yes No Yes
GeoTrust (https://www.geotrust.com) Yes Yes Yes Yes Yes
GlobalSign (https://www.globalsign.com/) Yes Yes Yes Yes Yes
GoDaddy (https://www.godaddy.com) Yes Yes Yes Yes No
Hongkong Post (https://www.hongkongpost.gov.hk/product/cps/ecert/index.html)) Yes Yes Yes No Yes
IPS SERVIDORES (https://www.ips.es/) Yes Yes Yes No No
KMD (https://www.kmd-ca.dk) Yes No Yes No Yes
NetLock (https://www.netlock.hu/) Yes No Yes No No
Post.Trust (https://www.post.trust.ie/) Yes Yes Yes No Yes
PTT Post (https://www.ptt-post.nl) Yes Yes No No No
Quovadis (https://www.quovadis.bm/) Yes Yes Yes Yes Yes
RSA (https://www.rsasecurity.com/) Yes Yes Yes Yes Yes
Saunalahden Serveri (https://www.saunalahti.fi/) No Yes No No No
SECOM Trust.net (https://www.secomtrust.net) Yes Yes Yes Yes Yes
SecureNet (https://www.securenetasia.com/) Yes Yes Yes No No
SecureSign (https://www2.jcsinc.co.jp) No Yes No No No
Serasa (https://www.serasa.com/) Yes Yes Yes Yes Yes
SIA (https://ca.sia.it/) No Yes No No No
Sonera (https://www.sonera.com/) Yes Yes Yes Yes Yes
Spanish Property & Commerce Registry (https://www.registradores.org)) Yes Yes Yes No No
TC TrustCenter (https://www.trustcenter.de/) Yes Yes No No No
TDC (https://www.tdc.dk) Yes Yes Yes Yes Yes
Thawte (https://www.thawte.com/) Yes Yes Yes Yes Yes
Trustis Limited (https://www.trustis.com) Yes Yes Yes No No
TW Government Root Certification Authority Yes Yes Yes Yes Yes
Unizeto Certum (https://www.certum.pl) Yes Yes Yes Yes Yes
UserTRUST (https://www.usertrust.com/) Yes Yes No Yes No
ValiCert (https://www.valicert.com/) Yes Yes No No No
Verisign (https://www.verisign.com/) Yes Yes Yes Yes Yes
Visa Yes Yes Yes No No
Wells Fargo Root Certificate Authority (https://www.wellsfargo.com/certpolicy) Yes Yes Yes No No
XRamp (https://www.xramp.com) Yes Yes Yes Yes Yes