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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
March 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 February 2004
Count
February 2004
%
January 2004
Count
January 2004
%
Growth
%
Verisign68,82540.4368,15640.89-1.10
Thawte34,18820.0934,01120.40-1.56
Equifax (Geotrust)24,69114.5123,79714.281.61
Comodo Limited9,8785.809,2945.584.09
SomeOrganization2,4831.462,3711.422.56
Snake Oil, Ltd2,2321.312,2201.33-1.54
Entrust.net2,1241.252,0241.212.77
U.S. Government1,1700.691,2030.72-4.75
Unknown8100.487090.4311.89
The USERTRUST Network7570.446980.426.21
FreeSSL6560.395990.367.25
Plesk, Inc.5830.345900.35-3.23
IPS Certification Authority s.l.5350.315320.32-1.51
TC TrustCenter for Security in Data Networks GmbH4230.254120.250.55
Plesk Inc.3730.223860.23-5.36
GlobalSign nv-sa3190.193050.182.43
Ipswitch,Inc.2310.142260.140.10
SWsoft, Inc.2300.141790.1125.84
GTE Corporation2260.132150.132.94
Deutsche Telekom AG2100.122060.12-0.16
Equifax Secure Inc1710.101870.11-10.45
Baltimore Technologies Japan Co.,Ltd.1320.081240.074.25
ispgateway1270.071240.070.30
Thawte Certification1210.071220.07-2.87
Kubota Systems Inc.1040.061020.06-0.15
Digital Signature Trust Co.760.04700.046.33
Advanced Extranet Server710.04750.04-7.29
NetLock Halozatbiztonsagi Kft.700.04670.042.32
Internet Widgits Pty Ltd650.04610.044.36
IceWarp Software630.04580.036.38
XRamp Security Services Inc580.03230.01146.96
Positive Software570.03540.033.38
TDC550.03470.0314.60
XYZ Corporation540.03490.037.93
Sedo GmbH520.03490.033.93
CsideNet500.03490.03-0.07
TAIWAN-CA.COM Inc.490.03420.0314.26
Hurricane Electric Internet Services490.03430.0311.60
CETI460.03480.03-6.15
Apache HTTP Server450.03400.0210.18
Webmin Software410.02390.022.96
Beocity410.02400.020.38
Unizeto Sp. z o.o.400.02420.03-6.73
Root CA390.02330.0215.74
WebMoney Transfer380.02370.020.58
University of Florida370.02370.02-2.07
Communitymusician370.02370.02-2.07
SCNC350.02370.02-7.36
Deutsches Forschungsnetz340.02360.02-7.51
NeoNova B.V.330.02330.02-2.07
Sun Cobalt310.02300.021.20
Stalker Software, Inc.310.02280.028.43
ICS_TREE310.02290.024.69
United Network Communications Co., Ltd.290.0200.00N/A
Franke & Partner290.02290.02-2.07
CNRS290.02270.025.19
cv. Candi Internet280.02280.02-2.07
Akamai280.02260.025.47
University of Maryland270.02270.02-2.07
Tele Danmark270.02300.02-11.86
Sun Microsystems Inc270.02250.015.77
KICA270.02260.021.70
Your Organization260.02260.02-2.07
SOGO KEIBI HOSHO CO.LTD260.02290.02-12.20
Massachusetts Institute of Technology260.02270.02-5.69
Ensim Corporation260.02250.011.85
Technische Universitaet Chemnitz250.01240.012.01
ROOT230.01210.017.26
OCC230.01320.02-29.61
Temp Certificate!220.01200.017.73
PVT a.s.220.01200.017.73
MULTICERT-CA220.01180.0119.70
Japan Certification Services, Inc.220.01210.012.60
Advantagecom Networks, Inc.220.01210.012.60
1&1 Internet Limited220.01230.01-6.32
University of Helsinki210.01210.01-2.07
PKI Partner AB210.01210.01-2.07
My Company Ltd210.01210.01-2.07
ICP-Brasil210.01210.01-2.07
University of Waterloo200.01190.013.09
UniCERT Brasil Certificadora200.01200.01-2.07
SCANDTRUST AB200.01200.01-2.07
FAS200.01200.01-2.07
Carnegie Mellon University200.01180.018.82
Usermin Webserver190.01190.01-2.07
FNMT190.01180.013.38
Audkenni hf.190.01200.01-6.96
The Chinese University of Hong Kong180.01180.01-2.07
Onyx Internet180.01180.01-2.07
Career Education Corporation180.01180.01-2.07
pair Networks170.0100.00N/A
kundenserver.de170.01180.01-7.51
Stunnel Developers Ltd170.01180.01-7.51
Logacont AG170.01170.01-2.07
INFN170.01170.01-2.07
Aaex Corp.170.01170.01-2.07
media3160.01160.01-2.07
Web Hosting160.01160.01-2.07
UNESP160.01160.01-2.07
Postecom s.p.a.160.01160.01-2.07

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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