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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
September 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 August 2007
Count
August 2007
%
July 2007
Count
July 2007
%
Growth
%
Verisign80,29222.8680,09623.01-0.65
Equifax (Geotrust)76,62521.8275,82221.780.15
Thawte46,30313.1846,17913.27-0.63
Comodo Limited30,0588.5629,5248.480.90
Starfield Technologies, Inc.13,5673.8614,0374.03-4.21
DigiCert9,4192.689,1042.622.53
Unknown8,5392.438,5282.45-0.77
GoDaddy.com, Inc.8,0332.296,9141.9915.14
Network Solutions L.L.C.4,4821.284,4421.28-0.00
Entrust.net4,0671.164,0231.160.19
AddTrust AB3,3730.963,4030.98-1.77
SWsoft, Inc.3,3610.963,3010.950.91
SomeOrganization3,3000.943,2850.94-0.44
XRamp Security Services Inc2,0600.592,0810.60-1.90
Snake Oil, Ltd1,8910.541,9210.55-2.44
SECOM Trust.net1,7340.491,7140.490.26
Comodo CA Limited1,7020.481,4640.4215.22
U.S. Government1,4140.401,4280.41-1.87
IPS Certification Authority s.l.1,3520.381,3300.380.74
GlobalSign nv-sa1,2330.351,0860.3112.52
Root CA1,1630.331,1730.34-1.74
TC TrustCenter for Security in Data Networks GmbH1,0600.301,0600.30-0.90
Cybertrust9880.289180.266.66
Akamai Technologies Inc9710.289510.271.19
Secure Business Services, Inc.8380.247780.226.75
Betrusted Japan Co., Ltd.6430.185900.178.01
SecureTrust Corporation5500.164510.1320.86
Earthlink Inc5380.155450.16-2.17
ispgateway4360.124280.120.96
Positive Software Corporation4350.124690.13-8.08
T-Systems Enterprise Services GmbH4250.124110.122.48
CAcert Inc.3960.113570.109.93
GTE Corporation3250.093270.09-1.50
COMODO CA Limited3140.092790.0811.54
Betrusted Japan Co.,Ltd.3060.093350.10-9.47
Firstserver, Inc.3030.092980.090.77
Unizeto Sp. z o.o.2760.082680.082.06
OCC2650.082620.080.24
Firstserver, Inc2590.072560.070.27
p1atin.de2340.071790.0529.56
TDC2230.062260.06-2.21
BlueHost.Com2070.062120.06-3.23
StartCom Ltd.2020.061970.061.62
Digi-Sign Limited1860.051880.05-1.95
RegisterFly.com, inc.1840.051710.056.64
NetLock Halozatbiztonsagi Kft.1800.051730.053.11
Trusted Secure Certificate Authority1770.051660.055.67
Comodo Japan Inc.1770.051980.06-11.41
Your Name Webhosting1470.041430.041.88
Apache HTTP Server1360.041460.04-7.68
RM1340.041490.04-10.87
TBS INTERNET1330.041240.046.30
Plesk, Inc.1310.041430.04-9.21
Internet Widgits Pty Ltd1170.031060.039.39
Positive Software1160.031190.03-3.39
Sonera1150.031100.033.61
GlobalSign Inc1130.031160.03-3.46
CNRS1070.031050.030.99
ChainedSSL1020.031060.03-4.64
ICS_TREE1010.031060.03-5.57
ICP-Brasil1000.03960.033.23
FNMT960.03960.03-0.90
Digital Signature Trust Co.930.031000.03-7.83
FreeSSL900.03910.03-1.98
My Company Ltd840.02860.02-3.20
Ipswitch,Inc.840.02850.02-2.06
Default Web Site830.02950.03-13.41
NTT Communications Corporation810.02910.03-11.79
WebSpace-Forum, Thomas Wendt790.02720.028.74
Sun Microsystems Inc790.02760.023.02
Wytwornia Telewizyjno-Filmowa "Alfa"780.02720.027.36
IceWarp Software780.02790.02-2.15
MULTICERT-CA770.02770.02-0.90
thawte, Inc.750.02640.0216.14
Unicert Brasil Certificadora740.02720.021.86
New Dream Network, LLC.740.02700.024.77
CRU740.02750.02-2.22
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH730.02710.021.90
TAIWAN-CA.COM Inc.720.02630.0213.26
Temp Certificate!680.02700.02-3.73
WebMoney Transfer650.02660.02-2.40
Plesk Inc.650.02650.02-0.90
XYZ Corporation570.02550.022.71
Thawte Certification570.02620.02-8.89
Japan Certification Services, Inc.570.02570.02-0.90
Apache Friends560.02590.02-5.93
InterWorx550.02590.02-7.61
"PositiveSoftwareCorporation"500.01470.015.43
University of Maryland490.01500.01-2.88
IceWarp Ltd.490.01500.01-2.88
University of Washington480.01480.01-0.90
SuSE Linux Web Server480.01480.01-0.90
Postecom S.p.A.480.01480.01-0.90
Linkopings universitet480.01480.01-0.90
Cisco Systems, Inc.470.01450.013.51
Carnegie Mellon University450.01450.01-0.90
Etisalat440.0100.00N/A
AS Sertifitseerimiskeskus440.01440.01-0.90
Prvni certifikacni autorita a.s.430.01420.011.46
HDE430.01430.01-0.90

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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