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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
July 1st, 2005

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 June 2005
Count
June 2005
%
May 2005
Count
May 2005
%
Growth
%
Verisign72,39932.7973,20033.09-0.91
Thawte37,84317.1438,19317.27-0.73
Equifax (Geotrust)37,66817.0637,24316.841.33
Comodo Limited19,0098.6118,8128.501.24
Entrust.net3,2701.483,2391.461.15
The USERTRUST Network3,1081.413,2791.48-5.04
SomeOrganization3,0471.383,0761.39-0.76
Starfield Technologies, Inc.2,9101.322,6711.219.15
Unknown2,8651.302,8261.281.57
Snake Oil, Ltd2,0850.942,1090.95-0.95
SWsoft, Inc.1,5100.681,4630.663.41
U.S. Government1,3550.611,3650.62-0.55
ChainedSSL1,0440.479380.4211.51
XRamp Security Services Inc9860.459490.434.09
FreeSSL8650.399260.42-6.41
IPS Certification Authority s.l.6990.327060.32-0.81
TC TrustCenter for Security in Data Networks GmbH6930.316790.312.25
DigiCert Inc.5840.265350.249.36
GlobalSign nv-sa4950.224840.222.46
Plesk, Inc.3480.163580.16-2.61
Root CA3460.163160.149.70
Deutsche Telekom AG2850.132840.130.54
GTE Corporation2610.122660.12-1.70
Ipswitch,Inc.2290.102370.11-3.19
ispgateway2110.102080.091.63
Betrusted Japan Co.,Ltd.1660.081460.0713.91
Plesk Inc.1600.071750.08-8.40
TDC1570.071560.070.83
Your Name Webhosting1510.071460.073.62
Kubota Systems Inc.1460.071460.070.19
Apache HTTP Server1260.061270.06-0.60
Baltimore Technologies Japan Co.,Ltd.1180.051310.06-9.75
Positive Software1140.051140.050.19
Internet Widgits Pty Ltd1060.05940.0412.98
Thawte Certification1050.051080.05-2.60
IceWarp Software1050.051030.052.13
Akamai1020.051030.05-0.79
Digital Signature Trust Co.930.04890.044.69
NetLock Halozatbiztonsagi Kft.920.04860.047.18
My Company Ltd890.04920.04-3.08
OCC830.04810.042.66
Equifax Secure Inc820.04840.04-2.20
Unizeto Sp. z o.o.810.04750.038.20
ICS_TREE650.03660.03-1.33
Comodo Japan Inc.620.03440.0241.17
Azero610.03610.030.19
United Network Communications Co., Ltd.590.03600.03-1.48
Stunnel Developers Ltd560.03580.03-3.27
CsideNet560.03550.022.01
XYZ Corporation540.02590.03-8.30
RM520.02530.02-1.70
WebMoney Transfer510.02510.020.19
CNRS500.02500.020.19
Japan Certification Services, Inc.470.02480.02-1.90
CRU470.02450.024.64
Sun Microsystems Inc460.02430.027.18
ICP-Brasil450.02430.024.85
MULTICERT-CA430.02420.022.57
Advanced Extranet Server420.02460.02-8.52
NTT Communications Corporation410.02370.0211.02
Beocity390.02390.020.19
UniCERT Brasil Certificadora380.02390.02-2.38
SCNC380.02410.02-7.14
KICA380.02400.02-4.82
Stalker Software, Inc.370.02360.022.97
FNMT350.02340.023.13
DFN-CERT Services GmbH330.01310.016.65
CETI330.01340.02-2.76
TAIWAN-CA.COM Inc.320.01350.02-8.40
Sun Cobalt320.01370.02-13.35
Etisalat320.01290.0110.55
Webmin Software310.01400.02-22.35
University of Maryland310.01310.010.19
Temp Certificate!310.01300.013.53
Network Solutions L.L.C.310.0100.00N/A
Firstserver, Inc.310.01280.0110.92
IceWarp Ltd.300.01270.0111.32
GlobalSign Inc300.0100.00N/A
cv. Candi Internet290.01290.010.19
domainsofnote.com280.01270.013.90
Your Name280.01280.010.19
University of Helsinki280.01290.01-3.27
CFC280.01270.013.90
Audkenni hf.280.01270.013.90
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH280.01240.0116.89
ORACLE DEMO CA270.01280.01-3.39
NeoNova B.V.270.01280.01-3.39
Hostgator270.01240.0112.71
Carnegie Mellon University270.01280.01-3.39
Cardiff Schools270.01260.014.04
SuSE Linux Web Server260.01260.010.19
Franke & Partner260.01260.010.19
CESNET260.01260.010.19
Your Organization250.01240.014.36
Massachusetts Institute of Technology250.01270.01-7.23
ISPAdmin250.01250.010.19
Brno University of Technology240.01240.010.19
Pro Futuro S.A.230.01260.01-11.37
websitewelcome.com220.0100.00N/A
state-institutions220.0100.00N/A

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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