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You are viewing an outdated report. The latest version of this report was published on August 1st, 2018


    
Certificate Authority Market Share Report
December 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 November 2002
Count
November 2002
%
October 2002
Count
October 2002
%
Growth
%
Verisign39,59638.9138,83139.28-0.94
Thawte30,10429.5829,68730.03-1.49
Equifax (Geotrust)8,2098.076,0516.1231.79
Equifax Secure Inc5,2065.126,6026.68-23.40
Unknown2,1882.152,0732.102.53
Snake Oil, Ltd1,8111.781,8121.83-2.91
SomeOrganization1,1311.111,0851.101.26
Entrust.net1,0181.009770.991.22
U.S. Government7400.737700.78-6.64
Plesk Inc.6230.615520.569.64
Comodo Limited6000.593580.3662.81
TC TrustCenter for Security in Data Networks GmbH1960.191790.186.37
The USERTRUST Network1670.161520.156.73
GlobalSign nv-sa1260.121250.13-2.08
Internet Widgits Pty Ltd1240.121210.12-0.45
GTE Corporation1130.111160.12-5.37
Thawte Certification1030.101050.11-4.71
Deutsche Telekom AG920.09900.09-0.70
Ipswitch,Inc.870.09850.09-0.57
Kubota Systems Inc.840.08810.080.74
Advanced Extranet Server800.08760.082.26
Plesk, Inc.660.06120.01434.29
ispgateway620.06520.0515.82
*.ceti.pl590.06590.06-2.86
Esat Net490.05510.05-6.67
CyberTrust Japan, Inc.480.05420.0411.02
Ensim Corporation460.05380.0417.59
zNET Internet Services380.04380.04-2.86
University of Florida340.03320.033.21
TAIWAN-CA.COM Inc.340.03320.033.21
Ring d.o.o.340.03340.03-2.86
PKI Partner AB340.03280.0317.96
NeoNova B.V.340.03350.04-5.63
media3320.03320.03-2.86
SCNC320.03310.030.28
Franke & Partner290.03300.03-6.09
Webmin Software280.03240.0213.33
HJ.NET280.03150.0281.33
BSG270.03270.03-2.86
Onyx Internet260.03270.03-6.45
Beocity250.02200.0221.43
WebMoney Transfer230.02210.026.39
Advantagecom Networks, Inc.230.02270.03-17.25
Your Organization220.02200.026.86
Massachusetts Institute of Technology220.02210.021.77
UUNET UK210.02210.02-2.86
Indra's Net, Inc.210.02210.02-2.86
Unizeto Sp. z o.o.200.02170.0214.29
Tele Danmark200.02180.027.94
Stargate.Net, Inc.200.02200.02-2.86
Idonex AB200.02210.02-7.48
DeZines Web Hosting200.02210.02-7.48
Web Hosting190.02200.02-7.71
Stalker Software, Inc.190.02200.02-7.71
Logacont AG190.02180.022.54
University of Maryland180.02170.022.86
NetLock Halozatbiztonsagi Kft.180.02170.022.86
HAL interactive, d.o.o.180.02170.022.86
Sofia Kallin170.02160.023.21
NIH170.02140.0117.96
XAO Inc.160.02140.0111.02
Linux Test Server160.02150.023.62
University of Helsinki150.01160.02-8.93
KICA150.0100.00N/A
IceWarp Software150.01120.0121.43
IPS Seguridad CA150.01150.02-2.86
Technische Universitaet Chemnitz140.01140.01-2.86
Sun Microsystems Inc140.01130.014.62
PVT a.s.140.01140.01-2.86
SOGO KEIBI HOSHO CO.LTD130.0100.00N/A
FreeSSL130.0100.00N/A
USMC120.01120.01-2.86
Superb Internet Corp.120.01130.01-10.33
DeZines Web Hosting Corporation120.01120.01-2.86
Carnegie Mellon University120.01110.015.97
University of Wisconsin - Stevens Point (UWSP)110.01110.01-2.86
Nebraska On-Ramp110.01110.01-2.86
Kasetsart University110.01110.01-2.86
International Business Machines Corporation110.01120.01-10.95
IPrimus USA110.01130.01-17.80
Estore Corp110.01120.01-10.95
CNRS110.01110.01-2.86
XYZ Corporation100.0100.00N/A
University of Waterloo100.0190.017.94
Inter Clear Service Ltd100.0190.017.94
comDesign90.0180.019.29
Uppsala universitet90.0190.01-2.86
Tampere University of Technology90.0190.01-2.86
Swiss-Web GmbH90.0100.00N/A
NASA90.0190.01-2.86
Logical Net Corp90.0100.00N/A
KPNQwest International90.01110.01-20.52
Digicert Sdn Bhd90.0190.01-2.86
Associazione Investici90.0190.01-2.86
Apache HTTP Server90.0100.00N/A
A&S Systemtechnik90.0190.01-2.86
ViaPVT a.s.80.0100.00N/A
University of Oulu80.0100.00N/A
Universitaet Heidelberg80.0180.01-2.86
TU Dresden80.0180.01-2.86

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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