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You are viewing an outdated report. The latest version of this report was published on September 1st, 2024


    
Certificate Authority Market Share Report
January 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.

Starfield Technologies, Inc. CA Certificate Historical Market Share Graph

CA December 2006
Count
December 2006
%
November 2006
Count
November 2006
%
Growth
%
Verisign77,30625.6477,02925.84-0.80
Equifax (Geotrust)63,22220.9762,41020.940.13
Thawte42,16313.9841,77214.01-0.23
Comodo24,1618.0100.00N/A
Starfield Technologies, Inc.13,6884.5413,2694.451.97
Unknown6,9132.296,7982.280.52
AddTrust AB5,3891.795,4521.83-2.30
DigiCert5,2221.734,9791.673.67
Entrust.net4,2551.414,2751.43-1.62
SomeOrganization3,2601.083,2561.09-1.03
Network Solutions L.L.C.3,0171.002,9060.972.62
SWsoft, Inc.2,8740.952,8440.95-0.11
XRamp Security Services Inc1,9650.651,9260.650.85
Snake Oil, Ltd1,9340.641,9390.65-1.41
U.S. Government1,3790.461,3780.46-1.08
IPS Certification Authority s.l.1,0400.341,0030.342.49
Root CA9460.319380.31-0.31
TC TrustCenter for Security in Data Networks GmbH9270.319240.31-0.83
GlobalSign nv-sa8550.288430.280.25
Positive Software Corporation7110.247060.24-0.46
SECOM Trust.net7000.235990.2015.51
Betrusted Japan Co.,Ltd.5880.195960.20-2.48
Earthlink Inc5440.184640.1615.89
ispgateway3740.123640.121.56
Cybertrust3370.112980.1011.78
Comodo Japan Inc.2980.103060.10-3.74
GTE Corporation2770.092770.09-1.16
T-Systems Enterprise Services GmbH2720.092650.091.46
Secure Business Services, Inc.2660.092400.089.55
Comodo CA Limited2310.081810.0626.15
Firstserver, Inc.2220.072150.072.06
Kubota Systems Inc.2070.072010.071.79
ChainedSSL1960.061790.068.23
TDC1950.061930.06-0.13
OCC1810.061650.068.43
CAcert Inc.1810.061710.064.62
Plesk, Inc.1680.061760.06-5.65
FreeSSL1520.052110.07-28.79
Apache HTTP Server1500.051530.05-3.09
Akamai1490.051530.05-3.74
StartCom Ltd.1480.051390.055.24
BlueHost.Com1480.051440.051.59
Unizeto Sp. z o.o.1420.051440.05-2.53
Positive Software1410.051410.05-1.16
Digi-Sign Limited1410.051350.053.24
NetLock Halozatbiztonsagi Kft.1380.051290.045.74
Trusted Secure Certificate Authority1230.041220.04-0.35
RM1230.041100.0410.53
NTT Communications Corporation1130.041100.041.54
GlobalSign Inc1120.041100.040.64
Internet Widgits Pty Ltd1100.041120.04-2.92
ICS_TREE1090.041090.04-1.16
Ipswitch,Inc.1070.041110.04-4.72
Your Name Webhosting1030.031030.03-1.16
Digital Signature Trust Co.970.03940.032.00
Akamai Technologies Inc930.03850.038.15
CRU880.03880.03-1.16
CNRS880.03890.03-2.27
Plesk Inc.870.03910.03-5.50
ICP-Brasil840.03840.03-1.16
Deutsche Telekom AG810.03910.03-12.02
IceWarp Software790.03790.03-1.16
Default Web Site770.03720.025.71
Betrusted Japan Co., Ltd.770.03550.0238.38
hosting740.02710.023.02
Thawte Certification710.02690.021.71
FNMT700.02700.02-1.16
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH690.02650.024.93
MULTICERT-CA630.02640.02-2.70
TBS INTERNET610.02540.0211.66
Sun Microsystems Inc610.02590.022.19
United Network Communications Co., Ltd.590.02590.02-1.16
My Company Ltd590.02540.028.00
Japan Certification Services, Inc.590.02590.02-1.16
WebMoney Transfer570.02570.02-1.16
Unicert Brasil Certificadora560.02530.024.44
TAIWAN-CA.COM560.02590.02-6.18
Stunnel Developers Ltd560.02550.020.64
Sonera560.02560.02-1.16
IceWarp Ltd.560.02550.020.64
Temp Certificate!530.02520.020.75
New Dream Network, LLC.530.02520.020.75
XYZ Corporation520.02510.020.78
InterWorx500.02500.02-1.16
RegisterFly.com, inc.480.02410.0115.72
WOI-TBD450.01450.02-1.16
Prvni certifikacni autorita a.s.450.01450.02-1.16
CsideNet450.01450.02-1.16
"PositiveSoftwareCorporation"440.01410.016.08
Equifax Secure Inc420.01430.01-3.45
Carnegie Mellon University420.01420.01-1.16
University of Maryland410.01400.011.32
Linkopings universitet400.01380.014.05
NetArt390.01390.01-1.16
Hostgator390.0100.00N/A
E-Telbank Sp. z o.o.390.01380.011.45
University of Washington380.0100.00N/A
SuSE Linux Web Server380.01400.01-6.10
S1 Corporation380.01380.01-1.16
AS Sertifitseerimiskeskus380.0100.00N/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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