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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
January 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.

SuSE Linux Web Server CA Certificate Historical Market Share Graph

CA December 2004
Count
December 2004
%
November 2004
Count
November 2004
%
Growth
%
Verisign71,92535.0471,52735.020.04
Thawte37,35618.2036,92418.080.65
Equifax (Geotrust)32,87216.0135,18917.23-7.06
Comodo Limited16,4908.0315,8197.753.71
SomeOrganization3,0561.493,0191.480.71
Entrust.net2,8581.392,7851.362.10
The USERTRUST Network2,6871.312,4171.1810.60
Snake Oil, Ltd2,2881.112,2841.12-0.34
Unknown2,0130.981,8390.908.90
U.S. Government1,3950.681,3620.671.90
FreeSSL1,3840.671,1830.5816.39
SWsoft, Inc.1,1190.551,0870.532.42
Starfield Technologies, Inc.1,1130.549310.4618.94
IPS Certification Authority s.l.6450.316420.31-0.05
XRamp Security Services Inc5920.295390.269.27
TC TrustCenter for Security in Data Networks GmbH5890.295770.281.56
Plesk, Inc.4710.234860.24-3.58
GlobalSign nv-sa4290.214150.202.84
Deutsche Telekom AG2630.132620.13-0.13
Ipswitch,Inc.2390.121920.0923.84
Plesk Inc.2150.102240.11-4.51
ispgateway1860.091800.092.80
Baltimore Technologies Japan Co.,Ltd.1760.091790.09-2.18
Root CA1670.081600.083.84
TDC1420.071300.068.67
Thawte Certification1360.071300.064.08
Kubota Systems Inc.1280.061280.06-0.51
DigiCert Inc.1200.061010.0518.20
GTE Corporation1190.061180.060.33
IceWarp Software1150.061080.055.94
Positive Software1030.051020.050.46
Equifax Secure Inc1030.051070.05-4.23
Apache HTTP Server1030.051070.05-4.23
Your Name Webhosting950.05750.0426.02
Digital Signature Trust Co.940.05950.05-1.56
Akamai930.05910.041.67
NetLock Halozatbiztonsagi Kft.850.04840.040.67
Internet Widgits Pty Ltd850.04820.043.13
My Company Ltd830.04830.04-0.51
XYZ Corporation640.03610.034.38
United Network Communications Co., Ltd.600.03590.031.17
Unizeto Sp. z o.o.590.03570.032.98
OCC590.03550.036.72
ICS_TREE570.03550.033.11
Azero560.03520.037.14
Stunnel Developers Ltd530.03420.0225.54
TAIWAN-CA.COM Inc.520.03490.025.58
Advanced Extranet Server520.03570.03-9.24
CsideNet490.02570.03-14.48
WebMoney Transfer460.02450.021.70
RM430.02400.026.95
KICA430.02440.02-2.77
Japan Certification Services, Inc.430.02390.029.69
CNRS420.02360.0216.07
Webmin Software410.02380.027.34
SCNC400.02400.02-0.51
MULTICERT-CA400.02370.027.55
Sun Microsystems Inc380.02390.02-3.06
Sun Cobalt380.02370.022.18
Stalker Software, Inc.380.02370.022.18
CETI360.02360.02-0.51
Beocity350.02390.02-10.72
ICP-Brasil330.02330.02-0.51
FNMT310.02300.012.80
UniCERT Brasil Certificadora300.01300.01-0.51
Hurricane Electric Internet Services300.01300.01-0.51
CRU300.01290.012.92
Audkenni hf.300.01280.016.59
University of Maryland290.01280.013.04
University of Helsinki290.0100.00N/A
Temp Certificate!290.01300.01-3.83
NeoNova B.V.290.01290.01-0.51
Etisalat290.01230.0125.44
Carnegie Mellon University290.01280.013.04
domainsofnote.com280.01280.01-0.51
PVT a.s.280.01280.01-0.51
NTT Communications Corporation280.01270.013.17
pair Networks270.01280.01-4.07
community musician270.01270.01-0.51
Massachusetts Institute of Technology270.01300.01-10.46
cv. Candi Internet260.01260.01-0.51
Pro Futuro S.A.260.01240.017.78
Franke & Partner260.01260.01-0.51
DFN-CERT Services GmbH260.01270.01-4.20
SuSE Linux Web Server250.01240.013.63
CFC250.01240.013.63
Postecom s.p.a.240.01240.01-0.51
ORACLE DEMO CA240.01200.0119.39
Cardiff Schools240.01240.01-0.51
Technische Universitaet Chemnitz230.01230.01-0.51
Ensim Corporation230.01230.01-0.51
Comodo Japan Inc.230.0100.00N/A
Betrusted Japan Co.,Ltd.230.0100.00N/A
Brno University of Technology220.01210.014.23
Advantagecom Networks, Inc.220.01210.014.23
Hongkong Post210.01230.01-9.16
1&1 Internet Limited210.0100.00N/A
Your Organization200.01200.01-0.51
ROOT200.01220.01-9.56
ISPAdmin200.01200.01-0.51

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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