CA Information Report

As of April 18, 2021 (51 records displayed)

CA Owner Name
Organizational Type
Geographic Focus
Primary Market / Customer Base
Company Website
Recognized CAA Domains
Problem Reporting Mechanism
AC Camerfirma, S.A. Public Corporation Spain Camerfirma S.A. is a commercial CA issuing certificates for companies primarily in Spain. Camerfirma is the digital certification authority for Chambers of Commerce in Spain. incidentes[at]camerfirma[dot]com
Actalis Public Corporation Italy Actalis CA has a wide number of customers, mainly banks and local government. Actalis is a Qualified certification service provider according to the EU Signature Directive (Directive 1999/93/EC). cert-problem[at]actalis[dot]it,
Amazon Trust Services Public Corporation USA, Global The Amazon PKI is run by Amazon Web Services. Customers of the Amazon PKI are the general public. We do not require that customers have a domain registration with Amazon, use domain suffixes where Amazon is the registrant, or have other services from Amazon.,,,, ats-tsp-requests[at]amazon[dot]com,
Asseco Data Systems S.A. (previously Unizeto Certum) Public Corporation Poland, Global Certum is an organizational unit of Asseco Data Systems S.A., providing certification services related to electronic signatures. It is the oldest public, commercial CA in Poland; operating on a global scale - serving customers in over 50 countries worldwide.,, revoke[at]certum[dot]pl
Atos Private Corporation Germany, Europe Atos Trustcenter acts in Europe, but also has international customers. The PKI-Services are offered to the Public, with no restrictions to user groups. gmde-trustcenter[at]atos[dot]net,
Autoridad de Certificacion Firmaprofesional Public Corporation Spain Firmaprofesional is a commercial CA in Spain that issues certificates to professional corporations, companies and other institutions. cumplimiento[at]firmaprofesional[dot]com, soporte[at]firmaprofesional[dot]com
Buypass Public Corporation Norway, Europe Buypass is a provider of secure solutions for electronic identification, electronic signature, and payment. Buypass is registered with the Post and Telecommunications Authority as the issuer of the qualified ID according to the law on electronic signature., ca-security[at]buypass[dot]no,
certSIGN Private Corporation Romania certSIGN is a company member of UTI Group and an accredited supplier of certification services. revokecsgn[at]certsign[dot]ro
China Financial Certification Authority (CFCA) Public Corporation China CFCA SSL Certificates can be used in the areas such as online banking, e-commence, e-politic, enterprise informatization and public services and so on.
There are more than 200 Chinese banks that are using CFCA’s certificates to ensure the security of online banking trade. rc[at]cfca[dot]com[dot]cn
Chunghwa Telecom Public Corporation Taiwan Chunghwa Telecom (CHT) chiefly provides telecommunication and information-related services. CHT is the largest integrated telecommunication operator in Taiwan.,,,, report_abuse[at]cht[dot]com[dot]tw
Consorci Administració Oberta de Catalunya (Consorci AOC, CATCert) Public Corporation Catalunya in Spain It is a public company that serves as the government CA of the Region of the Autonomic Community of Catalunya in Spain. CATCert is issuing email encryption and signing certificates free of charge to Catalan citizens that request them, and these certificates are accepted by various national agencies. incident_pki[at]aoc[dot]cat
Cybertrust Japan / JCSI Public Corporation Japan, jcsi-r[at]cybertrust[dot]ne[dot]jp
D-TRUST Government Agency Germany, Europe, Global D-TRUST GmbH is a subsidiary of Bundesdruckerei GmbH (BDR) and is fully owned by the German State.,,, ssl-issue[at]bdr[dot]de,
Deutsche Telekom Security GmbH Public Corporation Germany,,
Dhimyotis / Certigna Public Corporation France, Europe Dhimyotis is the name of the company and Certigna is the brand for their certificates.
DigiCert Public Corporation USA, Global DigiCert provides digital certification and identity assurance services internationally to a variety of sectors including business, education, and government.,,,,,,,,, revoke[at]digicert[dot]com
Disig, a.s. Private Corporation Slovak Republic Provides certification service mainly for Slovakian market, issuing certificates to general public, private companies, and governmental organizations. tspnotify[at]disig[dot]sk,;
E-Tugra Public Corporation Turkey,,,
eMudhra Technologies Limited Private Corporation India, Global emSign is a brand of digital certificates operated by eMudhra. info[at]emsign[dot]com
Entrust Public Corporation North America, Global Entrust is a commercial CA serving the global market for SSL web certificates. Entrust also issues certificates to subordinate CAs for enterprise and commercial use., ecs[dot]support[at]entrustdatacard[dot]com, abuse[at]affirmtrust[dot]com,,
Global Digital Cybersecurity Authority Co., Ltd. (Formerly Guang Dong Certificate Authority (GDCA)) Government Agency China Primary market / customer base:
a) Business corporations registered in mainland China
b) Government agencies of China
c) Individuals or mainland China citizens
d) Servers of business corporations which have been registered in mainland China
e) Software developers webtrustreport[at]gdca[dot]com[dot]cn
GlobalSign nv-sa Private Corporation Belgium, Global Global Retail and Enterprise customers for all markets. report-abuse[at]globalsign[dot]com
GoDaddy Public Corporation USA, Global Based in US, practices[at]starfieldtech[dot]com,,
Google Trust Services LLC Public Corporation Global GTS issues server authentication, client authentication, email (both signing and encrypting), and code signing certs to the general public.,, contact[at]pki[dot]goog
Government of Hong Kong (SAR), Hongkong Post, Certizen Government Agency Hong Kong (SAR), China Bureaux and Departments of the Government of Hong Kong SAR are serving over 8 million people of Hong Kong., techsupp[at]hongkongpost[dot]gov[dot]hk
Government of Spain, Autoritat de Certificació de la Comunitat Valenciana (ACCV) Government Agency Valencia region of Spain accv[at]accv[dot]es
Government of Spain, Fábrica Nacional de Moneda y Timbre (FNMT) Government Agency Spain FNMT-RCM, through its CERES Department, provides its clients with the PKI, as well as a full catalogue of services to support the services of administrations and companies, in order to provide them with legal security and validity in a simple and comfortable manner for the citizens. incidentes[dot]ceres[at]fnmt[dot]es
Government of The Netherlands, PKIoverheid (Logius) Government Agency Netherlands The CSPs (commercial and governmental organisations) will issue several types of certificates, such as authentication, encryption, non-repudiation and SSL, to end-users. End-users can be companies and governmental organisations. KPN and ESG, contact pkivalidation[at]kpn[dot]com.
QuoVadis contact support[at]quovadisglobal[dot]com (Phone +31(0)302324320 during office hours or +16512293456 outside office hours.
Digidentity, security[at]digidentity[dot]com, or call +31 887787800.
For CAs not listed above, general issues or issues with multiple CAs, contact pkioverheid[at]logius[dot]nl.
Government of Turkey, Kamu Sertifikasyon Merkezi (Kamu SM) Government Agency Turkey Public Certification Authority of Turkey cainfo[at]kamusm[dot]gov[dot]tr
HARICA Non-Profit Organization Greece, Greek Academic and Research Institutions HARICA is a non-profit organization serving the Greek Academic and Research Community support[at]harica[dot]gr, ca[at]harica[dot]gr
IdenTrust Services, LLC Public Corporation USA IdenTrust is a for-profit corporation serving the private, commercial, and government sectors. problemreport[at]identrust[dot]com
Internet Security Research Group Non-Profit Organization Global Offers server authentication certificates to the general public around the world. security[at]letsencrypt[dot]org, cert-prob-reports[at]letsencrypt[dot]org,,
Izenpe S.A. Government Agency Basque Country, Spain Also offers certificates to private organizations, incidencias[at]izenpe[dot]eus
Krajowa Izba Rozliczeniowa S.A. (KIR) Private Corporation Poland KIR S.A. is the one of the biggest Polish CAs which currently mainly issues qualified certificates for general public. Our certification is for non-qualified certificates only but our clients of qualified certificates are very interested in trusted non-qualified certificates.
Microsec Ltd. Private Corporation Hungary, Europe Microsec issues certificates for governmental users, banks, insurance companies, and general public. info[at]e-szigno[dot]hu,
Microsoft Corporation   Global End User Products, Enterprise Products and Services, Cloud Services certificateauthority[at]microsoft[dot]com,
NAVER Cloud Private Corporation South Korea dl_rootca[at]navercorp[dot]com
NETLOCK Kft. Public Corporation Hungary,, visszavonas[at]netlock[dot]hu,
OISTE Private Corporation Switzerland, Global OISTE provides worldwide eSecurity services based or related to electronic identities and digital certificates. There’s no focus on a particular region or customer profile.,,, cps[at]wisekey[dot]com
QuoVadis Public Corporation Bermuda, Global Provides its Certification Authority (CA) services at Bermuda; The Netherlands; Switzerland; the United
Kingdom; Belgium and Germany.,,,,,,,, compliance[at]quovadisglobal[dot]com,,
SECOM Trust Systems CO., LTD. Public Corporation Japan SECOM is a Japanese commercial CA that provides SSL and client certificates for e-Government and participates in several projects for financial institutions to ensure the secured on-line transactions. ra-support[at]secom[dot]co[dot]jp, ca-support[at]ml[dot]secom-sts[dot]co[dot]jp
Sectigo Private Corporation USA, UK, Global Commercial CA based in the UK and serving customers worldwide.,,,, To revoke one or more certificates issued by Sectigo for which you (i) are the Subscriber or (ii) control the domain or (iii) have in your possession the private key, you may use our automated Revocation Portal here:

To programatically revoke one or more certificates issued by Sectigo for which you have in your possession the private key, you may use the ACME revokeCert method at this endpoint:
· ACME Directory:
· revokeCert API:

To report any other abuse, fraudulent, or malicious use of Certificates issued by Sectigo, please send email to:
· For Code Signing Certificates: signedmalwarealert[at]sectigo[dot]com
· For Other Certificates (SSL/TLS, S/MIME, etc): sslabuse[at]sectigo[dot]com
SecureTrust Public Corporation USA, Global Business Unit of Singapore Telecommunications Limited (Singtel), cert-problem-report[at]securetrust[dot]com
Shanghai Electronic Certification Authority Co., Ltd. Public Corporation China SHECA issues certificates to business corporations, government agencies, and individuals in China, Hong Kong, Macau and Taiwan.,, report[at]sheca[dot]com Public Corporation USA, Global provides digital certificates in over 150 countries worldwide, with the goal of expanding adoption of encryption technologies and best practices through education, tools and expertise. support[at]ssl[dot]com,
SwissSign AG Public Corporation Switzerland,,,,,,,,,,,,,,,,,,,,,,,,,,,,, (for Topic choose "Notification of incorrectly issued certificate")
Taiwan-CA Inc. (TWCA) Public Corporation Taiwan ca[at]twca[dot]com[dot]tw
Telia Company Public Corporation Finland, Europe, Sweden Telia provides network access and telecommunication services as well as CA services.,, cainfo[at]telia[dot]fi,
TrustCor Systems Public Corporation Canada, Global TrustCor develops privacy protection services and issues certificates to its customers in support of such services. security[at]trustcor[dot]ca
Trustis Public Corporation UK and Europe authorisation[at]trustis[dot]com, Public Corporation USA, UK Group, Inc., is the parent company of Network Solutions., sslsupport[at]networksolutions[dot]com,
No records to display.