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You are viewing an outdated report. The latest version of this report was published on October 1st, 2018


    
Certificate Authority Market Share Report
November 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 October 2009
Count
October 2009
%
September 2009
Count
September 2009
%
Growth
%
Equifax (Geotrust)150,99725.56147,29025.56-0.02
Verisign81,23313.7579,97513.88-0.94
GoDaddy.com, Inc.72,99112.3569,08311.993.04
Thawte60,21010.1959,14810.27-0.73
Comodo Limited45,8217.7645,5987.91-2.00
Unknown14,2062.4013,8772.41-0.16
DigiCert12,5642.1311,8822.063.12
Network Solutions L.L.C.11,9762.0311,7472.04-0.58
GlobalSign9,2211.568,9081.550.95
Starfield Technologies, Inc.8,8811.508,6201.500.48
Comodo CA Limited8,8511.508,4281.462.42
GlobalSign nv-sa8,5171.448,7261.51-4.81
COMODO CA Limited5,8690.995,1310.8911.55
Entrust.net4,4990.764,6590.81-5.83
Cybertrust4,4280.754,3860.76-1.54
SecureTrust Corporation3,9460.673,7070.643.81
SomeOrganization3,6370.623,6190.63-1.99
SWsoft, Inc.3,3610.573,4040.59-3.71
IPS Certification Authority s.l.3,2500.553,1360.541.07
Entrust, Inc.3,0140.512,6960.479.03
Betrusted Japan Co., Ltd.2,3050.392,2380.390.44
Root CA1,8330.311,8260.32-2.10
Alpha1,7350.291,6280.283.93
Parallels1,7180.291,6030.284.52
SECOM Trust Systems CO.,LTD.1,5540.261,4830.262.19
SECOM Trust.net1,4510.251,4500.25-2.41
Snake Oil, Ltd1,4380.241,4450.25-2.95
Secure Business Services, Inc.1,3100.221,3330.23-4.16
Akamai Technologies Inc1,2130.211,1680.201.28
U.S. Government9880.179740.17-1.07
CAcert Inc.9650.169380.160.33
Servision Inc.9200.168610.154.21
T-Systems Enterprise Services GmbH7610.137480.13-0.78
thawte, Inc.7300.126950.122.44
XRamp Security Services Inc7180.127580.13-7.62
ispgateway7000.126920.12-1.35
p1atin.de6390.117790.14-20.00
GTE Corporation6390.116100.112.16
Firstserver, Inc.6140.106040.10-0.86
StartCom Ltd.5200.094810.085.43
Trusted Secure Certificate Authority4880.084780.08-0.44
UIC4810.084390.086.85
TC TrustCenter for Security in Data Networks GmbH4400.074520.08-5.07
TC TrustCenter GmbH3950.073800.071.37
Firstserver, Inc3900.073850.07-1.21
Cybertrust Inc3900.073770.070.89
NetLock Halozatbiztonsagi Kft.3620.063460.062.03
Unizeto Sp. z o.o.3570.064580.08-23.98
OCC3460.063430.06-1.62
Unizeto Technologies S.A.3430.062340.0442.95
Register.com3350.063110.055.05
none3210.052970.055.40
suresupport.com3080.053010.05-0.21
Sonera3000.052870.051.94
GeoTrust Inc2960.052680.057.71
International Education Services Inc.2940.051510.0389.88
TBS INTERNET2760.052760.05-2.48
WTF ALFA2590.042560.04-1.33
Earthlink Inc2570.042650.05-5.42
TDC2510.042570.04-4.75
QuoVadis Limited2450.042230.047.15
FNMT2330.042280.04-0.34
ICP-Brasil2320.042170.044.27
Internet Widgits Pty Ltd2310.042430.04-7.29
AddTrust AB2310.042380.04-5.34
TAIWAN-CA.COM Inc.2180.042100.041.24
Digi-Sign Limited2100.042100.04-2.48
National Institute of Informatics2090.041990.032.42
Positive Software2050.032050.04-2.48
My Company Ltd1950.031720.0310.56
Trustwave Holdings, Inc.1930.032540.04-25.90
WebSpace-Forum, Thomas Wendt1920.031900.03-1.45
OVH SAS1800.031700.033.26
Parallels, Inc.1730.031520.0311.00
SonicWALL, Inc.1700.031650.030.48
America Online Inc.1640.031570.031.87
CNRS1620.031610.03-1.87
RM1530.031510.03-1.18
Apache HTTP Server1530.031580.03-5.56
EUNETIC GmbH1510.031440.022.26
GANDI SAS1500.031240.0217.97
InterWorx1480.031380.024.59
RBC Hosting Center1390.021280.025.90
TNC1370.021350.02-1.03
Unicert Brasil Certificadora1290.021270.02-0.94
OptimumSSL CA1280.021280.02-2.48
New Dream Network, LLC.1250.021250.02-2.48
Zimbra Collaboration Suite1170.021100.023.73
Sun Microsystems Inc1170.021160.02-1.64
Default Web Site1100.021110.02-3.35
Getronics PinkRoccade Nederland B.V.1070.021030.021.31
MULTICERT-CA1060.021020.021.35
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH1060.021060.02-2.48
TERENA1020.0200.00N/A
WoSign, Inc.950.0200.00N/A
ServerAdmin 24940.02930.02-1.43
Positive Software Corporation930.021000.02-9.30
IceWarp Software930.02950.02-4.53
GlobalSign Inc900.02940.02-6.63
Digital Signature Trust Co.900.02930.02-5.62

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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