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You are viewing an outdated report. The latest version of this report was published on September 1st, 2021


    
Certificate Authority Market Share Report
April 1st, 2009

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.

ispgateway CA Certificate Historical Market Share Graph

CA March 2009
Count
March 2009
%
February 2009
Count
February 2009
%
Growth
%
Equifax (Geotrust)136,03225.77131,51025.351.64
Verisign79,02114.9778,57815.15-1.18
Thawte57,31410.8657,06711.00-1.31
GoDaddy.com, Inc.52,1259.8749,4929.543.49
Comodo Limited44,3528.4045,4918.77-4.20
Unknown12,7972.4212,7822.46-1.62
Network Solutions L.L.C.10,1401.929,8721.900.93
DigiCert9,3881.789,0541.751.89
Starfield Technologies, Inc.8,2641.578,2591.59-1.68
GlobalSign7,1651.366,9131.331.85
GlobalSign nv-sa6,8321.296,6301.281.26
Comodo CA Limited6,4471.226,1641.192.78
Entrust.net5,4211.035,4131.04-1.59
p1atin.de5,3521.014,9950.965.29
SomeOrganization3,8460.733,8060.73-0.70
SWsoft, Inc.3,7370.713,7840.73-2.96
Cybertrust3,6750.703,5840.690.76
SecureTrust Corporation2,8960.552,8010.541.60
IPS Certification Authority s.l.2,7700.522,6990.520.85
Betrusted Japan Co., Ltd.1,9380.371,9040.370.02
COMODO CA Limited1,7850.341,6870.333.97
SECOM Trust.net1,6940.321,7820.34-6.59
Root CA1,6700.321,6810.32-2.38
Snake Oil, Ltd1,6270.311,6210.31-1.37
Secure Business Services, Inc.1,3410.251,3400.26-1.66
U.S. Government1,1110.211,0910.210.07
SECOM Trust Systems CO.,LTD.1,0790.209920.196.88
Alpha1,0790.201,0260.203.34
XRamp Security Services Inc9980.191,0270.20-4.51
Akamai Technologies Inc9650.189470.180.13
Parallels8820.177980.158.61
TC TrustCenter for Security in Data Networks GmbH8520.168840.17-5.29
CAcert Inc.8340.168320.16-1.50
Servision Inc.6850.136670.130.92
Entrust, Inc.6800.135530.1120.83
T-Systems Enterprise Services GmbH6780.136660.130.03
ispgateway6360.126320.12-1.11
Unizeto Sp. z o.o.5820.117030.14-18.65
Firstserver, Inc.5610.115580.11-1.21
GTE Corporation5430.105350.10-0.27
AddTrust AB5360.106240.12-15.59
Trusted Secure Certificate Authority4450.084440.09-1.51
thawte, Inc.4190.084040.081.91
StartCom Ltd.4070.084020.08-0.51
Firstserver, Inc3750.073700.07-0.41
Earthlink Inc3590.073660.07-3.62
OCC3410.063420.07-2.02
NetLock Halozatbiztonsagi Kft.3180.063160.06-1.11
Cybertrust Inc3040.062970.060.58
suresupport.com2930.062890.06-0.38
Trustwave Holdings, Inc.2910.062800.052.12
Sonera2570.052520.050.21
TBS INTERNET2560.052550.05-1.35
TDC2510.052540.05-2.90
WTF ALFA2300.042260.040.00
none2270.042090.046.73
Internet Widgits Pty Ltd2220.042230.04-2.18
FNMT2170.042180.04-2.19
Digi-Sign Limited2130.042110.04-0.80
GeoTrust Inc1980.041870.044.04
TC TrustCenter GmbH1810.031660.037.14
ICP-Brasil1700.031430.0316.82
Positive Software1680.031730.03-4.58
WebSpace-Forum, Thomas Wendt1660.031640.03-0.54
RM1660.031680.03-2.91
TAIWAN-CA.COM Inc.1630.031570.032.02
Register.com1550.031310.0316.27
My Company Ltd1530.031530.03-1.74
Apache HTTP Server1520.031520.03-1.74
CNRS1510.031440.033.04
National Institute of Informatics1440.031250.0213.20
RegisterFly.com, inc.1420.031500.03-6.98
Positive Software Corporation1390.031350.031.18
SonicWALL, Inc.1360.031300.032.80
50 Below Sales and Marketing, inc.1310.021310.03-1.74
Default Web Site1270.021280.02-2.50
OVH SAS1260.021110.0211.54
Unicert Brasil Certificadora1240.021210.020.70
TNC1210.021190.02-0.08
OptimumSSL CA1190.021100.026.30
New Dream Network, LLC.1140.021140.02-1.74
ServerAdmin 241100.021050.022.94
QuoVadis Limited1100.02980.0210.30
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH1070.021060.02-0.81
America Online Inc.1050.02850.0221.38
Sun Microsystems Inc1040.021020.020.19
MULTICERT-CA1020.021010.02-0.76
InterWorx1020.02960.024.41
Digital Signature Trust Co.980.02980.02-1.74
GlobalSign Inc960.02940.020.35
IceWarp Software950.02930.020.38
ICS_TREE930.02930.02-1.74
Parallels, Inc.910.02840.026.45
CsideNet Co.,Ltd.860.02870.02-2.87
Apache Friends810.02740.017.56
Webtizen Inc.760.0100.00N/A
IceWarp Ltd.760.0100.00N/A
RBC Hosting Center750.01780.02-5.52
WebMoney Transfer740.01740.01-1.74
Etisalat730.0100.00N/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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