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You are viewing an outdated report. The latest version of this report was published on April 1st, 2021


    
Certificate Authority Market Share Report
August 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 doesn't verify the signatures of the certificates it finds, it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA July 2002
Count
July 2002
%
June 2002
Count
June 2002
%
Growth
%
Verisign35,08640.4536,90840.58-0.32
Thawte27,09331.2328,35631.170.19
Equifax Secure Inc6,4227.408,2849.11-18.71
Equifax (Geotrust)3,1083.582,0982.3155.34
Snake Oil, Ltd1,7512.021,8892.08-2.80
Unknown1,6221.871,6381.803.84
Entrust.net1,1241.301,1461.262.85
SomeOrganization9541.109561.054.64
U.S. Government5820.676200.68-1.57
Plesk Inc.3950.463650.4013.48
TC TrustCenter for Security in Data Networks GmbH1420.161360.159.49
The USERTRUST Network1260.151160.1313.90
Internet Widgits Pty Ltd1260.151290.142.42
Thawte Certification990.111060.12-2.06
GlobalSign nv-sa950.111020.11-2.33
Kubota Systems Inc.790.09760.089.00
GTE Corporation760.09790.090.88
Deutsche Telekom AG710.08600.0724.09
Ipswitch,Inc.650.07640.076.50
Advanced Extranet Server640.07670.070.17
*.ceti.pl640.07650.073.25
Esat Net580.07600.071.37
Comodo Limited530.06210.02164.65
Ensim Corporation430.05430.054.86
ispgateway420.05390.0412.93
BSG420.05440.050.09
Ring d.o.o.360.04390.04-3.20
NeoNova B.V.360.04380.04-0.66
zNET Internet Services320.04370.04-9.31
University of Florida310.04300.038.36
MDM iNet, LLC300.03300.034.86
Franke & Partner300.03300.034.86
CyberTrust Japan, Inc.290.03310.03-1.90
TAIWAN-CA.COM Inc.270.03290.03-2.37
SCNC270.03280.031.12
Onyx Internet270.03280.031.12
Deep Industry240.03240.034.86
Massachusetts Institute of Technology220.03200.0215.35
UUNET UK210.02210.024.86
Indra's Net, Inc.210.02220.020.09
Advantagecom Networks, Inc.210.02280.03-21.35
University of Maryland200.02200.024.86
Stargate.Net, Inc.200.02180.0216.51
Idonex AB200.02200.024.86
WebMoney Transfer190.02180.0210.69
Logacont AG190.02180.0210.69
Stalker Software, Inc.170.02150.0218.84
HAL interactive, d.o.o.170.02180.02-0.96
University of Helsinki160.02170.02-1.31
Beocity160.02120.0139.82
Linux Test Server150.02170.02-7.48
Webmin Software140.02190.02-22.73
Web Hosting140.02250.03-41.28
Sun Microsystems Inc140.02110.0133.46
Estore Corp140.02140.024.86
USMC130.01120.0113.60
Radio Data Group Inc130.01130.014.86
NetLock Halozatbiztonsagi Kft.130.01130.014.86
NIH130.01110.0123.93
IPS Seguridad CA130.01170.02-19.81
DeZines Web Hosting130.01220.02-38.04
Unizeto Sp. z o.o.120.01120.014.86
Tele Danmark120.01100.0125.83
PVT a.s.120.01100.0125.83
IPrimus USA120.01120.014.86
Certipor S.A.120.01120.014.86
Your Organization110.01110.014.86
XAO Inc.110.01110.014.86
International Business Machines Corporation110.01110.014.86
CNRS110.0190.0128.16
dummy100.0180.0131.08
Nebraska On-Ramp100.0100.00N/A
Inter Clear Service Ltd100.01100.014.86
IndyWeb Inc.100.01100.014.86
Carnegie Mellon University100.01100.014.86
helpdesk.powercom.net90.01170.02-44.49
comDesign90.0190.014.86
Uppsala universitet90.0190.014.86
Universitaet Heidelberg90.01100.01-5.62
Tampere University of Technology90.0190.014.86
Schell Computersysteme90.01110.01-14.20
MadrynCom90.0100.00N/A
Kasetsart University90.0100.00N/A
IceWarp Software90.0100.00N/A
IMS90.0190.014.86
Barak ITC90.01100.01-5.62
BEA WebLogic90.0100.00N/A
Associazione Investici90.0100.00N/A
A&S Systemtechnik90.0190.014.86
WebNexus Communications80.0180.014.86
Viawest Internet Services80.0180.014.86
University of Waterloo80.0180.014.86
SYLABA Internet80.0180.014.86
Rutgers University80.0100.00N/A
Media3 Inc80.0180.014.86
Interzona.net srl80.0180.014.86
IP ProLink Ltd80.0100.00N/A
INFN80.01100.01-16.11
Hypervine Communications, Inc80.0180.014.86
Frank's Radio80.0100.00N/A

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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