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You are viewing an outdated report. The latest version of this report was published on November 1st, 2017


    
Certificate Authority Market Share Report
February 1st, 2007

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 2007
Count
January 2007
%
December 2006
Count
December 2006
%
Growth
%
Verisign77,88525.2677,30625.64-1.47
Equifax (Geotrust)64,97721.0763,22220.970.52
Thawte42,84013.8942,16313.98-0.63
Comodo Limited25,0038.1100.00N/A
Starfield Technologies, Inc.14,7284.7813,6884.545.23
Unknown7,1352.316,9132.290.94
DigiCert5,7711.875,2221.738.08
AddTrust AB5,1551.675,3891.79-6.45
Entrust.net4,2461.384,2551.41-2.41
Network Solutions L.L.C.3,2411.053,0171.005.06
SomeOrganization3,2141.043,2601.08-3.58
SWsoft, Inc.2,9080.942,8740.95-1.04
XRamp Security Services Inc2,0510.671,9650.652.08
Snake Oil, Ltd1,9280.631,9340.64-2.50
U.S. Government1,3800.451,3790.46-2.13
IPS Certification Authority s.l.1,0760.351,0400.341.19
Root CA9700.319460.310.28
TC TrustCenter for Security in Data Networks GmbH9410.319270.31-0.72
GlobalSign nv-sa8750.288550.280.09
SECOM Trust.net8120.267000.2313.45
Positive Software Corporation6870.227110.24-5.50
Betrusted Japan Co.,Ltd.5890.195880.19-2.03
Earthlink Inc5880.195440.185.71
Cybertrust3790.123370.119.99
ispgateway3750.123740.12-1.94
Comodo CA Limited3390.112310.0843.53
Secure Business Services, Inc.3320.112660.0922.07
T-Systems Enterprise Services GmbH3150.102720.0913.26
Comodo Japan Inc.2990.102980.10-1.87
GTE Corporation2830.092770.09-0.08
Firstserver, Inc.2420.082220.076.61
Kubota Systems Inc.2100.072070.07-0.78
CAcert Inc.2070.071810.0611.85
ChainedSSL2000.061960.06-0.20
TDC1980.061950.06-0.69
OCC1940.061810.064.83
Plesk, Inc.1720.061680.060.13
Unizeto Sp. z o.o.1610.051420.0510.89
StartCom Ltd.1580.051480.054.41
BlueHost.Com1580.051480.054.41
Apache HTTP Server1500.051500.05-2.20
Digi-Sign Limited1480.051410.052.66
Positive Software1450.051410.050.58
NetLock Halozatbiztonsagi Kft.1430.051380.051.34
FreeSSL1340.041520.05-13.78
RM1300.041230.043.37
Akamai1270.041490.05-16.64
Trusted Secure Certificate Authority1260.041230.040.19
Akamai Technologies Inc1250.04930.0331.45
NTT Communications Corporation1180.041130.042.13
ICS_TREE1130.041090.041.39
Betrusted Japan Co., Ltd.1120.04770.0342.26
Your Name Webhosting1100.041030.034.45
GlobalSign Inc1100.041120.04-3.95
Ipswitch,Inc.1070.031070.04-2.20
Internet Widgits Pty Ltd1070.031100.04-4.87
Digital Signature Trust Co.990.03970.03-0.18
CNRS950.03880.035.58
ICP-Brasil870.03840.031.29
Plesk Inc.860.03870.03-3.32
Default Web Site860.03770.039.23
hosting850.03740.0212.34
CRU830.03880.03-7.76
IceWarp Software790.03790.03-2.20
RegisterFly.com, inc.750.02480.0252.81
FNMT730.02700.021.99
Thawte Certification710.02710.02-2.20
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH710.02690.020.64
TBS INTERNET670.02610.027.42
MULTICERT-CA640.02630.02-0.65
Unicert Brasil Certificadora600.02560.024.79
Sun Microsystems Inc600.02610.02-3.80
United Network Communications Co., Ltd.590.02590.02-2.20
Sonera590.02560.023.04
New Dream Network, LLC.590.02530.028.87
Japan Certification Services, Inc.590.02590.02-2.20
WebMoney Transfer580.02570.02-0.48
Deutsche Telekom AG570.02810.03-31.18
My Company Ltd550.02590.02-8.83
XYZ Corporation540.02520.021.56
Temp Certificate!510.02530.02-5.89
InterWorx510.02500.02-0.24
TAIWAN-CA.COM500.02560.02-12.68
CsideNet480.02450.014.32
SuSE Linux Web Server470.02380.0120.96
Stunnel Developers Ltd470.02560.02-17.92
Linkopings universitet460.01400.0112.47
WOI-TBD450.01450.01-2.20
Prvni certifikacni autorita a.s.440.01450.01-4.37
NetArt430.01390.017.83
IceWarp Ltd.420.01560.02-26.65
"PositiveSoftwareCorporation"410.01440.01-8.87
University of Maryland400.01410.01-4.58
Equifax Secure Inc390.01420.01-9.19
Carnegie Mellon University390.01420.01-9.19
AS Sertifitseerimiskeskus390.01380.010.37
University of Washington380.01380.01-2.20
S1 Corporation380.01380.01-2.20
HostGator380.0100.00N/A
Etisalat370.0100.00N/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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