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You are viewing an outdated report. The latest version of this report was published on November 1st, 2022


    
Certificate Authority Market Share Report
October 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.

CA September 2009
Count
September 2009
%
August 2009
Count
August 2009
%
Growth
%
Equifax (Geotrust)147,29025.56146,33525.58-0.05
Verisign79,97513.8880,44514.06-1.28
GoDaddy.com, Inc.69,08311.9967,22711.752.04
Thawte59,14810.2759,38510.38-1.10
Comodo Limited45,5987.9146,0778.05-1.73
Unknown13,8772.4113,7862.41-0.04
DigiCert11,8822.0611,4652.002.91
Network Solutions L.L.C.11,7472.0411,6182.030.40
GlobalSign8,9081.558,7141.521.51
GlobalSign nv-sa8,7261.518,5111.491.81
Starfield Technologies, Inc.8,6201.508,5721.50-0.14
Comodo CA Limited8,4281.468,1131.423.16
COMODO CA Limited5,1310.894,4550.7814.37
Entrust.net4,6590.814,8260.84-4.14
Cybertrust4,3860.764,2960.751.38
SecureTrust Corporation3,7070.643,5910.632.51
SomeOrganization3,6190.633,6240.63-0.84
SWsoft, Inc.3,4040.593,5140.61-3.81
IPS Certification Authority s.l.3,1360.543,0970.540.55
Entrust, Inc.2,6960.472,4200.4210.63
Betrusted Japan Co., Ltd.2,2380.392,1810.381.90
Root CA1,8260.321,8320.32-1.02
Alpha1,6280.281,5610.273.56
Parallels1,6030.281,5020.265.98
SECOM Trust Systems CO.,LTD.1,4830.261,4570.251.07
SECOM Trust.net1,4500.251,4760.26-2.45
Snake Oil, Ltd1,4450.251,4790.26-2.98
Secure Business Services, Inc.1,3330.231,3710.24-3.45
Akamai Technologies Inc1,1680.201,1350.202.19
U.S. Government9740.179710.17-0.39
CAcert Inc.9380.169310.160.05
Servision Inc.8610.158410.151.66
p1atin.de7790.146890.1212.27
XRamp Security Services Inc7580.138000.14-5.91
T-Systems Enterprise Services GmbH7480.137550.13-1.62
thawte, Inc.6950.126540.115.53
ispgateway6920.126840.120.46
GTE Corporation6100.116240.11-2.93
Firstserver, Inc.6040.106180.11-2.95
StartCom Ltd.4810.084780.08-0.08
Trusted Secure Certificate Authority4780.084960.09-4.30
Unizeto Sp. z o.o.4580.084720.08-3.64
TC TrustCenter for Security in Data Networks GmbH4520.085180.09-13.35
UIC4390.084290.071.62
Firstserver, Inc3850.073840.07-0.44
TC TrustCenter GmbH3800.073620.064.24
Cybertrust Inc3770.073640.062.85
NetLock Halozatbiztonsagi Kft.3460.063490.06-1.55
OCC3430.063460.06-1.56
Register.com3110.052920.055.76
suresupport.com3010.053160.06-5.41
none2970.052940.050.31
Sonera2870.052800.051.78
TBS INTERNET2760.052750.05-0.34
GeoTrust Inc2680.052580.053.15
Earthlink Inc2650.052720.05-3.25
TDC2570.042520.041.27
WTF ALFA2560.042530.040.48
Trustwave Holdings, Inc.2540.043030.05-16.76
Internet Widgits Pty Ltd2430.042340.043.12
AddTrust AB2380.042570.04-8.04
Unizeto Technologies S.A.2340.041960.0318.55
FNMT2280.042250.040.62
QuoVadis Limited2230.042000.0310.72
ICP-Brasil2170.042160.04-0.24
TAIWAN-CA.COM Inc.2100.041920.038.61
Digi-Sign Limited2100.042130.04-2.10
Positive Software2050.041760.0315.66
National Institute of Informatics1990.031840.037.40
WebSpace-Forum, Thomas Wendt1900.031920.03-1.73
My Company Ltd1720.031600.036.75
OVH SAS1700.031650.032.31
SonicWALL, Inc.1650.031610.031.77
CNRS1610.031610.03-0.70
Apache HTTP Server1580.031760.03-10.85
America Online Inc.1570.031490.034.63
Parallels, Inc.1520.031440.034.82
RM1510.031470.032.00
International Education Services Inc.1510.0300.00N/A
EUNETIC GmbH1440.021370.024.37
InterWorx1380.021220.0212.32
TNC1350.021330.020.79
RBC Hosting Center1280.021260.020.88
OptimumSSL CA1280.021310.02-2.97
Unicert Brasil Certificadora1270.021280.02-1.48
New Dream Network, LLC.1250.021260.02-1.49
GANDI SAS1240.021110.0210.93
Sun Microsystems Inc1160.021160.02-0.70
Default Web Site1110.021120.02-1.59
Zimbra Collaboration Suite1100.02960.0213.78
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH1060.021060.02-0.70
Getronics PinkRoccade Nederland B.V.1030.02990.023.31
MULTICERT-CA1020.021050.02-3.54
Positive Software Corporation1000.021130.02-12.12
IceWarp Software950.02960.02-1.73
GlobalSign Inc940.02960.02-2.77
ServerAdmin 24930.021000.02-7.65
Digital Signature Trust Co.930.02980.02-5.77
RegisterFly.com, inc.920.021020.02-10.43
CsideNet Co.,Ltd.900.02910.02-1.79

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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