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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
December 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 November 2007
Count
November 2007
%
October 2007
Count
October 2007
%
Growth
%
Verisign81,11621.9881,61222.26-1.23
Equifax (Geotrust)80,85521.9181,41722.20-1.31
Thawte47,03712.7547,13412.85-0.83
Comodo Limited30,6498.3130,1498.221.03
GoDaddy.com, Inc.14,0313.8011,4503.1221.78
Starfield Technologies, Inc.11,8593.2112,7683.48-7.70
DigiCert10,9862.9810,4982.864.00
Unknown8,9442.428,9372.44-0.54
Network Solutions L.L.C.5,3291.445,0431.385.01
Entrust.net4,2861.164,2481.160.27
SWsoft, Inc.3,5680.973,5410.970.14
SomeOrganization3,2950.893,3430.91-2.05
AddTrust AB3,0000.813,2940.90-9.49
Comodo CA Limited2,3950.652,1570.5910.34
GlobalSign nv-sa1,9860.541,6810.4617.41
SECOM Trust.net1,9030.521,8730.510.97
XRamp Security Services Inc1,8680.511,9760.54-6.05
Snake Oil, Ltd1,8400.501,8620.51-1.80
IPS Certification Authority s.l.1,5290.411,4900.411.98
Cybertrust1,4560.391,2670.3514.20
Root CA1,2660.341,2650.34-0.54
GlobalSign1,2190.331130.03972.05
TC TrustCenter for Security in Data Networks GmbH1,0600.291,0740.29-1.92
Secure Business Services, Inc.1,0490.289770.276.70
SecureTrust Corporation9720.268210.2217.66
Betrusted Japan Co., Ltd.9350.258440.2310.09
U.S. Government8850.241,4450.39-39.14
Earthlink Inc5140.145270.14-3.07
COMODO CA Limited4910.134170.1117.01
CAcert Inc.4750.134530.124.20
ispgateway4610.124490.122.03
T-Systems Enterprise Services GmbH4500.124440.120.72
Akamai Technologies Inc4080.111,0650.29-61.93
GTE Corporation3510.103420.091.99
Firstserver, Inc.3500.093390.092.60
Positive Software Corporation3330.093600.10-8.08
Unizeto Sp. z o.o.3100.082950.084.43
OCC2990.082890.082.82
Firstserver, Inc2740.072690.071.22
p1atin.de2320.062950.08-21.85
BlueHost.Com2250.062170.063.04
StartCom Ltd.2230.062240.06-1.07
TDC2190.062180.06-0.17
Trusted Secure Certificate Authority2130.061980.056.91
NetLock Halozatbiztonsagi Kft.1990.051960.050.90
Digi-Sign Limited1940.051900.051.47
RegisterFly.com, inc.1870.052000.05-7.08
Your Name Webhosting1600.041640.04-3.05
Internet Widgits Pty Ltd1580.041590.04-1.25
Betrusted Japan Co.,Ltd.1530.042040.06-25.47
RM1490.041470.040.73
TBS INTERNET1480.041460.040.74
Sonera1420.041250.0312.89
Apache HTTP Server1380.041460.04-6.07
Positive Software1330.041300.041.67
ICP-Brasil1180.031130.033.77
Plesk, Inc.1130.031180.03-4.83
CNRS1120.031110.030.27
Default Web Site1100.031050.034.11
WTF ALFA1090.031030.035.17
FNMT1040.031040.03-0.62
Comodo Japan Inc.1010.031360.04-26.20
GlobalSign Inc1000.031090.03-8.83
ChainedSSL1000.031000.03-0.62
ICS_TREE980.03970.030.40
Digital Signature Trust Co.980.031000.03-2.61
thawte, Inc.960.03930.032.58
My Company Ltd930.03870.026.23
Alpha930.03590.0256.65
WebSpace-Forum, Thomas Wendt920.02910.020.47
MULTICERT-CA870.02860.020.53
TAIWAN-CA.COM Inc.840.02810.023.06
Sun Microsystems Inc840.02820.021.80
FreeSSL830.02820.020.59
New Dream Network, LLC.810.02800.020.62
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH810.02770.024.54
Unicert Brasil Certificadora750.02740.020.72
IceWarp Software730.02770.02-5.78
InterWorx710.02680.023.76
Cybertrust Inc710.02540.0130.66
CsideNet Co.,Ltd.700.02700.02-0.62
CRU670.02760.02-12.39
Ipswitch,Inc.660.02740.02-11.37
WebMoney Transfer630.02640.02-2.18
Apache Friends610.02580.024.52
Plesk Inc.600.02670.02-11.01
XYZ Corporation580.02550.014.80
Japan Certification Services, Inc.530.01590.02-10.73
AS Sertifitseerimiskeskus530.01500.015.34
BLUEHOST.COM - Only $6.95/mo520.0100.00N/A
NTT Communications Corporation510.01660.02-23.21
OptimumSSL CA500.0100.00N/A
University of Washington490.01510.01-4.52
Thawte Certification490.01480.011.45
IceWarp Ltd.490.01500.01-2.61
"PositiveSoftwareCorporation"490.01510.01-4.52
Postecom S.p.A.480.01510.01-6.47
Etisalat480.01490.01-2.65
University of Maryland470.01450.013.79
SiteGround LLC470.0100.00N/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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