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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
January 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 December 2001
Count
December 2001
%
November 2001
Count
November 2001
%
Growth
%
Verisign29,57044.2429,72145.19-2.09
Thawte22,80334.1222,67734.48-1.05
Equifax Secure Inc4,8437.254,3306.5810.07
Snake Oil, Ltd1,4162.121,3312.024.69
Unknown7801.177391.123.87
SomeOrganization7381.106500.9911.73
Entrust.net5610.845360.813.00
U.S. Government2820.422640.405.12
Plesk Inc.1150.17820.1238.01
TC TrustCenter for Security in Data Networks GmbH920.14890.141.73
Internet Widgits Pty Ltd870.13940.14-8.92
Esat Net750.11760.12-2.89
*.ceti.pl710.11760.12-8.07
Thawte Certification690.10660.102.88
Ring Datacom660.10660.10-1.59
Kubota Systems Inc.610.09590.091.74
Equifax (Geotrust)580.09290.0496.82
Franke & Partner540.08540.08-1.59
BSG500.07520.08-5.38
GlobalSign nv-sa470.07450.072.78
The USERTRUST Network450.07290.0452.70
ProAxis Communications, a us.Net company440.07500.08-13.40
NeoNova B.V.420.06460.07-10.15
zNET Internet Services410.06420.06-3.94
Corpex Ltd410.06470.07-14.15
Advanced Extranet Server360.05310.0514.28
Ipswitch,Inc.350.05260.0432.47
GTE Corporation350.05290.0418.77
Media3 Technologies L.L.C.340.05360.05-7.06
Web Hosting310.05320.05-4.67
SCNC310.05290.045.19
Deutsche Telekom AG310.05310.05-1.59
Onyx Internet290.04300.05-4.87
Webmaster280.04140.0296.82
Ensim Corporation280.04220.0325.25
University of Florida270.04280.04-5.11
Deep Industry250.04170.0344.72
Linux Test Server240.04210.0312.47
DeZines Web Hosting240.04250.04-5.53
Stargate Industries, LLC230.03220.032.88
Indra's Net, Inc.230.03250.04-9.46
Interliant, Inc.210.0300.00N/A
UUNET UK200.03190.033.59
helpdesk.powercom.net190.03210.03-10.96
Idonex AB190.03160.0216.86
HAL interactive, d.o.o.190.03190.03-1.59
DeZines Web Hosting Corporation190.03190.03-1.59
Web Site Fortress180.03120.0247.61
Radio Data Group Inc180.03200.03-11.43
Massachusetts Institute of Technology170.03150.0211.53
CyberTrust Japan, Inc.170.03170.03-1.59
domainfactory GmbH160.02150.024.97
Inter Clear Service Ltd160.02170.03-7.38
TAT GmbH150.02150.02-1.59
Makolab s.c.150.02150.02-1.59
Estore Corp140.02140.02-1.59
University of Maryland130.02120.026.61
University of Helsinki130.02130.02-1.59
IPrimus USA130.02130.02-1.59
comDesign120.02120.02-1.59
Technische Universitaet Chemnitz120.02110.027.35
IndyWeb Inc.120.02120.02-1.59
AT&T120.02110.027.35
TAIWAN-CA.COM Inc.110.0280.0135.31
Superb Internet Corp.110.02110.02-1.59
Oy Multi.fi Finland Ab Ltd.110.02110.02-1.59
Kommunikationssysteme ShE GmbH110.02110.02-1.59
Cybermarket110.02110.02-1.59
dummy100.01100.02-1.59
Swisskey AG100.01100.02-1.59
Neuronio, Lda.100.0100.00N/A
NIH100.0180.0123.01
A&S Systemtechnik100.01100.02-1.59
WebNexus Communications80.0180.01-1.59
Tampere University of Technology80.0180.01-1.59
SYLABA Internet80.0180.01-1.59
ProSalg as80.0180.01-1.59
IMS80.0180.01-1.59
Globalnet80.0180.01-1.59
the Internet Outlet70.0180.01-13.89
University of Wisconsin - Stevens Point (UWSP)70.0170.01-1.59
Store-O-Matic,Inc.70.0160.0114.81
Media3 Inc70.0160.0114.81
Iquent70.0160.0114.81
Interzona.net srl70.0100.00N/A
IPS Seguridad CA70.0170.01-1.59
INFN70.0100.00N/A
trash.net60.0160.01-1.59
XAO Inc.60.0100.00N/A
WEB.DE AG60.0170.01-15.65
Unizeto Sp. z o.o.60.0100.00N/A
University of Waterloo60.0160.01-1.59
Universitaet Heidelberg60.0100.00N/A
USMC60.0170.01-15.65
UNISG60.0160.01-1.59
PVT a.s.60.0100.00N/A
Netalia Internet Ltd60.0160.01-1.59
Logical Net Corp60.0170.01-15.65
GlaxoSmithKline60.0160.01-1.59
GWS Gesellschaft fuer Warenwirtschfts-Systeme60.0160.01-1.59

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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