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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
February 1st, 2004

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 January 2004
Count
January 2004
%
December 2003
Count
December 2003
%
Growth
%
Verisign68,15640.8968,04941.41-1.28
Thawte34,01120.4033,89420.63-1.09
Equifax (Geotrust)23,79714.2822,99413.992.01
Comodo Limited9,2945.588,6215.256.26
SomeOrganization2,3711.422,3421.43-0.21
Snake Oil, Ltd2,2201.332,1761.320.56
Entrust.net2,0241.211,9631.191.63
U.S. Government1,2030.721,2290.75-3.52
Unknown7090.436500.407.52
The USERTRUST Network6980.426760.411.78
FreeSSL5990.365300.3211.40
Plesk, Inc.5900.355670.352.57
IPS Certification Authority s.l.5320.325440.33-3.61
TC TrustCenter for Security in Data Networks GmbH4120.253970.242.29
Plesk Inc.3860.234210.26-9.63
GlobalSign nv-sa3050.183010.18-0.12
Ipswitch,Inc.2260.142160.133.13
GTE Corporation2150.132140.13-0.97
Deutsche Telekom AG2060.122030.120.03
Equifax Secure Inc1870.111990.12-7.37
SWsoft, Inc.1790.111290.0836.77
ispgateway1240.071200.071.85
Baltimore Technologies Japan Co.,Ltd.1240.071180.073.58
Thawte Certification1220.071240.08-3.02
Kubota Systems Inc.1020.061010.06-0.45
Advanced Extranet Server750.04870.05-15.03
Digital Signature Trust Co.700.04690.04-0.00
NetLock Halozatbiztonsagi Kft.670.04620.046.52
Internet Widgits Pty Ltd610.04660.04-8.90
IceWarp Software580.03550.033.95
Positive Software540.03520.032.36
XYZ Corporation490.03470.032.76
Sedo GmbH490.03350.0238.00
CsideNet490.03450.037.33
CETI480.03490.03-3.44
TDC470.03390.0218.79
Hurricane Electric Internet Services430.03340.0224.66
Unizeto Sp. z o.o.420.03420.03-1.43
TAIWAN-CA.COM Inc.420.03440.03-5.91
Beocity400.02400.02-1.43
Apache HTTP Server400.02350.0212.65
Webmin Software390.02380.021.16
WebMoney Transfer370.02370.02-1.43
University of Florida370.02390.02-6.49
SCNC370.02360.021.31
Communitymusician370.02380.02-4.02
Deutsches Forschungsnetz360.02340.024.37
Root CA330.02290.0212.17
NeoNova B.V.330.02330.02-1.43
OCC320.02270.0216.82
Tele Danmark300.02320.02-7.59
Sun Cobalt300.02250.0218.28
SOGO KEIBI HOSHO CO.LTD290.02350.02-18.33
ICS_TREE290.02260.029.94
Franke & Partner290.02290.02-1.43
cv. Candi Internet280.02270.022.22
Stalker Software, Inc.280.02270.022.22
University of Maryland270.02290.02-8.23
Massachusetts Institute of Technology270.02280.02-4.95
CNRS270.02270.02-1.43
Your Organization260.02250.022.51
KICA260.02310.02-17.33
Akamai260.02230.0111.43
Sun Microsystems Inc250.01230.017.14
Ensim Corporation250.01280.02-11.99
Technische Universitaet Chemnitz240.01190.0124.51
XRamp Security Services Inc230.0100.00N/A
1&1 Internet Limited230.01200.0113.35
Webmin Webserver220.0100.00N/A
University of Helsinki210.01210.01-1.43
ROOT210.01210.01-1.43
PKI Partner AB210.01290.02-28.62
My Company Ltd210.01170.0121.76
Japan Certification Services, Inc.210.01180.0115.00
ICP-Brasil210.01190.018.94
Advantagecom Networks, Inc.210.01200.013.50
UniCERT Brasil Certificadora200.01190.013.76
Temp Certificate!200.01210.01-6.12
SCANDTRUST AB200.01190.013.76
PVT a.s.200.01210.01-6.12
FAS200.01200.01-1.43
Audkenni hf.200.01170.0115.96
Usermin Webserver190.01170.0110.17
University of Waterloo190.01200.01-6.36
kundenserver.de180.01180.01-1.43
The Chinese University of Hong Kong180.01180.01-1.43
Stunnel Developers Ltd180.01170.014.37
Onyx Internet180.01180.01-1.43
MULTICERT-CA180.01170.014.37
FNMT180.01180.01-1.43
Carnegie Mellon University180.01180.01-1.43
Career Education Corporation180.01180.01-1.43
Logacont AG170.01170.01-1.43
INFN170.01170.01-1.43
Aaex Corp.170.01170.01-1.43
media3160.01180.01-12.38
Web Hosting160.01160.01-1.43
UNESP160.01170.01-7.23
Stargate.Net, Inc.160.01160.01-1.43
Postecom s.p.a.160.01170.01-7.23

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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