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You are viewing an outdated report. The latest version of this report was published on June 1st, 2024


    
Certificate Authority Market Share Report
January 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 December 2003
Count
December 2003
%
November 2003
Count
November 2003
%
Growth
%
Verisign68,04941.4167,71942.02-1.43
Thawte33,89420.6333,76120.95-1.52
Equifax (Geotrust)22,99413.9922,00813.652.49
Comodo Limited8,6215.258,0054.975.64
SomeOrganization2,3421.432,2011.374.38
Snake Oil, Ltd2,1761.322,2431.39-4.84
Entrust.net1,9631.191,9131.190.66
U.S. Government1,2290.751,1940.740.97
The USERTRUST Network6760.416490.402.17
Unknown6500.405710.3511.66
Plesk, Inc.5670.355830.36-4.60
IPS Certification Authority s.l.5440.335360.33-0.44
FreeSSL5300.324770.308.99
Plesk Inc.4210.264240.26-2.60
TC TrustCenter for Security in Data Networks GmbH3970.243890.240.11
GlobalSign nv-sa3010.182860.183.24
Ipswitch,Inc.2160.132140.13-0.99
GTE Corporation2140.132080.130.92
Deutsche Telekom AG2030.121960.121.59
Equifax Secure Inc1990.122010.12-2.88
SWsoft, Inc.1290.08920.0637.54
Thawte Certification1240.081330.08-8.55
ispgateway1200.071150.072.36
Baltimore Technologies Japan Co.,Ltd.1180.071100.075.23
Kubota Systems Inc.1010.061010.06-1.91
Advanced Extranet Server870.05840.051.59
Digital Signature Trust Co.690.04710.04-4.67
Internet Widgits Pty Ltd660.04690.04-6.17
NetLock Halozatbiztonsagi Kft.620.04570.046.70
IceWarp Software550.03470.0314.79
Positive Software520.03470.038.53
CETI490.03520.03-7.57
XYZ Corporation470.03410.0312.45
CsideNet450.03220.01100.64
TAIWAN-CA.COM Inc.440.03460.03-6.17
Unizeto Sp. z o.o.420.03390.025.64
Beocity400.02400.02-1.91
University of Florida390.02390.02-1.91
TDC390.02280.0236.63
Webmin Software380.02430.03-13.31
Communitymusician380.0200.00N/A
WebMoney Transfer370.02360.020.82
SCNC360.02350.020.89
Sedo GmbH350.02180.0190.73
SOGO KEIBI HOSHO CO.LTD350.02380.02-9.65
Apache HTTP Server350.02310.0210.75
Hurricane Electric Internet Services340.0200.00N/A
Deutsches Forschungsnetz340.02380.02-12.23
NeoNova B.V.330.02340.02-4.79
Tele Danmark320.02310.021.26
KICA310.02290.024.86
University of Maryland290.02250.0213.79
Root CA290.02310.02-8.24
PKI Partner AB290.02360.02-20.98
Franke & Partner290.02290.02-1.91
Massachusetts Institute of Technology280.02280.02-1.91
Ensim Corporation280.02290.02-5.29
cv. Candi Internet270.02260.021.86
Stalker Software, Inc.270.02280.02-5.41
OCC270.02290.02-8.67
CNRS270.02270.02-1.91
ICS_TREE260.02260.02-1.91
Your Organization250.02260.02-5.68
Sun Cobalt250.02220.0111.47
Sun Microsystems Inc230.01220.012.55
Akamai230.01210.017.43
University of Helsinki210.01210.01-1.91
Temp Certificate!210.01200.013.00
ROOT210.01220.01-6.37
PVT a.s.210.01210.01-1.91
University of Waterloo200.01180.018.99
FAS200.01200.01-1.91
Advantagecom Networks, Inc.200.01200.01-1.91
1&1 Internet Limited200.01190.013.25
UniCERT Brasil Certificadora190.01180.013.54
Technische Universitaet Chemnitz190.01190.01-1.91
SCANDTRUST AB190.01150.0124.25
ICP-Brasil190.01180.013.54
media3180.01180.01-1.91
kundenserver.de180.01160.0110.35
The Chinese University of Hong Kong180.01170.013.86
Onyx Internet180.01180.01-1.91
Japan Certification Services, Inc.180.01170.013.86
FNMT180.01180.01-1.91
Carnegie Mellon University180.01180.01-1.91
Career Education Corporation180.0100.00N/A
Usermin Webserver170.01170.01-1.91
UNESP170.0100.00N/A
Stunnel Developers Ltd170.01140.0119.11
Postecom s.p.a.170.01160.014.22
My Company Ltd170.0100.00N/A
MULTICERT-CA170.0100.00N/A
Logacont AG170.01170.01-1.91
INFN170.01170.01-1.91
Audkenni hf.170.01150.0111.17
Aaex Corp.170.01170.01-1.91
Web Hosting160.01160.01-1.91
Stargate.Net, Inc.160.01160.01-1.91
HAL interactive, d.o.o.160.01160.01-1.91
DeZines Web Hosting160.01160.01-1.91

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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