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You are viewing an outdated report. The latest version of this report was published on November 1st, 2020


    
Certificate Authority Market Share Report
April 1st, 2002

Report Description
This report, much like our original certs and CAs report, focuses on issuers of SSL enabling certificates found on web servers. Unlike our original report, however, this report has a couple of key differences to it:

  • Reports on top 100 CAs. The original report only paid attention to the major CAs at the time the report was produced. This report lists the top 100 CAs for the month. You will find here many self-signing organizations such as universities, telecommunications firms, etc.
  • Uses issuer name as identifier. Our original report only counted a certificate towards an organization if we were able to prove, by virtue of verifying the key, that the organization in question actually signed the certificate. This had a notable problem with it - we don't always have the public key of the CA. In at least one case, a CA doesn't make their public key available unless you sign a license agreement.

    This report doesn't have that problem, since it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA March 2002
Count
March 2002
%
February 2002
Count
February 2002
%
Growth
%
Verisign33,02042.1831,33442.36-0.42
Thawte25,95633.1524,49133.110.14
Equifax Secure Inc6,8748.786,6789.03-2.74
Snake Oil, Ltd1,7192.201,7192.32-5.51
Unknown1,2091.541,1081.503.10
Entrust.net8891.147631.0310.10
SomeOrganization6590.846130.831.58
U.S. Government4530.583970.547.82
Equifax (Geotrust)2930.371980.2739.83
Plesk Inc.2180.281870.2510.16
TC TrustCenter for Security in Data Networks GmbH1130.141070.14-0.21
Internet Widgits Pty Ltd1010.13990.13-3.60
The USERTRUST Network950.12760.1018.11
Thawte Certification810.10740.103.43
GlobalSign nv-sa730.09630.099.49
*.ceti.pl710.09710.10-5.51
Kubota Systems Inc.660.08660.09-5.51
GTE Corporation660.08620.080.59
Esat Net650.08630.09-2.51
Franke & Partner550.07550.07-5.51
Ipswitch,Inc.510.07480.060.40
Advanced Extranet Server500.06510.07-7.36
Ring Datacom490.06460.060.65
Deutsche Telekom AG470.06400.0511.03
BSG470.06490.07-9.37
zNET Internet Services440.06410.061.41
NeoNova B.V.420.05420.06-5.51
Ensim Corporation420.05420.06-5.51
SCNC340.04320.040.40
Onyx Internet300.04280.041.24
Web Hosting290.0480.01242.53
University of Florida290.04290.04-5.51
Webmaster280.04280.04-5.51
Deep Industry280.04270.04-2.01
Media3 Technologies L.L.C.240.0300.00N/A
ispgateway230.03220.03-1.21
DeZines Web Hosting230.03230.03-5.51
UUNET UK220.03220.03-5.51
Indra's Net, Inc.220.03220.03-5.51
Stargate Industries, LLC190.02210.03-14.51
helpdesk.powercom.net180.02190.03-10.48
TAIWAN-CA.COM Inc.180.02150.0213.39
Radio Data Group Inc180.02180.02-5.51
Massachusetts Institute of Technology180.02180.02-5.51
Interliant, Inc.180.02200.03-14.96
CyberTrust Japan, Inc.180.02190.03-10.48
Linux Test Server170.02200.03-19.68
DeZines Web Hosting Corporation170.02170.02-5.51
University of Maryland160.02150.020.79
Inter Clear Service Ltd150.02150.02-5.51
WebMoney Transfer140.0260.01120.48
University of Helsinki140.02140.02-5.51
Estore Corp130.02130.02-5.51
NIH120.02140.02-19.01
IPrimus USA120.02120.02-5.51
comDesign110.01120.02-13.38
Superb Internet Corp.110.01110.01-5.51
Schell Computersysteme110.01110.01-5.51
Oy Multi.fi Finland Ab Ltd.110.01110.01-5.51
Idonex AB110.01130.02-20.05
ICU INTERNET CARIBBEAN UNLIMITED110.01110.01-5.51
Certipor S.A.110.01120.02-13.38
Barak ITC110.01110.01-5.51
Technische Universitaet Chemnitz100.01110.01-14.10
International Business Machines Corporation100.01100.01-5.51
IndyWeb Inc.100.01100.01-5.51
INFN100.0160.0157.49
Cybermarket100.01100.01-5.51
A&S Systemtechnik100.01100.01-5.51
Unizeto Sp. z o.o.90.0190.01-5.51
University of Wisconsin - Stevens Point (UWSP)90.0180.016.30
Universitaet Heidelberg90.0190.01-5.51
USMC90.0180.016.30
Tampere University of Technology90.0180.016.30
NetLock Halozatbiztonsagi Kft.90.0160.0141.74
IMS90.0190.01-5.51
WebNexus Communications80.0180.01-5.51
WEB.DE AG80.0170.017.99
Viawest Internet Services80.0100.00N/A
Sun Microsystems Inc80.0180.01-5.51
Stalker Software, Inc.80.0170.017.99
SYLABA Internet80.0180.01-5.51
PVT a.s.80.0160.0125.99
Interzona.net srl80.0180.01-5.51
IPS Seguridad CA80.0190.01-16.01
Your Organization70.0160.0110.24
Webmin Software70.0190.01-26.51
University of Waterloo70.0170.01-5.51
Logical Net Corp70.0170.01-5.51
Columbia University70.0170.01-5.51
CNRS70.0100.00N/A
American University of Beirut70.0100.00N/A
AT&T70.0100.00N/A
the Internet Outlet60.0160.01-5.51
Verein trash.net60.0160.01-5.51
UNISG60.0100.00N/A
UNI-REGENSBURG60.0100.00N/A
Tele Danmark60.0100.00N/A
Swisskey AG60.0160.01-5.51
ProSalg as60.0160.01-5.51

Note: Readers are cautioned that the Growth percentages are based on a CA's market share penetration rather than the absolute number of certificates we detected. Thus, it is possible for the number of certificates to increase, while the growth is actually a negative value.



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