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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
March 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 February 2007
Count
February 2007
%
January 2007
Count
January 2007
%
Growth
%
Verisign77,99824.8677,88525.26-1.57
Equifax (Geotrust)66,86121.3164,97721.071.14
Thawte43,42313.8442,84013.89-0.38
Comodo Limited25,4298.1125,0038.11-0.04
Starfield Technologies, Inc.15,1714.8414,7284.781.24
Unknown7,2882.327,1352.310.39
DigiCert6,2241.985,7711.876.00
AddTrust AB4,8151.535,1551.67-8.20
Entrust.net4,1721.334,2461.38-3.43
Network Solutions L.L.C.3,4041.093,2411.053.23
SomeOrganization3,2261.033,2141.04-1.35
SWsoft, Inc.2,9510.942,9080.94-0.26
XRamp Security Services Inc2,2240.712,0510.676.58
Snake Oil, Ltd1,9030.611,9280.63-2.99
U.S. Government1,3710.441,3800.45-2.35
IPS Certification Authority s.l.1,1110.351,0760.351.48
Root CA9920.329700.310.52
TC TrustCenter for Security in Data Networks GmbH9540.309410.31-0.36
SECOM Trust.net9450.308120.2614.39
GlobalSign nv-sa9000.298750.281.10
Positive Software Corporation6630.216870.22-5.15
Earthlink Inc5770.185880.19-3.55
Betrusted Japan Co.,Ltd.5680.185890.19-5.22
GoDaddy.com, Inc.4520.1400.00N/A
Comodo CA Limited4440.143390.1128.73
Cybertrust4380.143790.1213.59
ispgateway3890.123750.121.96
Secure Business Services, Inc.3870.123320.1114.57
T-Systems Enterprise Services GmbH3510.113150.109.52
GTE Corporation3000.102830.094.19
Comodo Japan Inc.2880.092990.10-5.33
Firstserver, Inc.2510.082420.081.94
CAcert Inc.2200.072070.074.46
Kubota Systems Inc.2160.072100.071.10
OCC2100.071940.066.39
TDC1970.061980.06-2.21
ChainedSSL1950.062000.06-4.17
Plesk, Inc.1740.061720.06-0.57
BlueHost.Com1700.051580.055.75
StartCom Ltd.1660.051580.053.26
Betrusted Japan Co., Ltd.1640.051120.0443.92
Digi-Sign Limited1630.051480.058.25
Unizeto Sp. z o.o.1580.051610.05-3.54
Akamai Technologies Inc1530.051250.0420.30
NetLock Halozatbiztonsagi Kft.1460.051430.050.35
Apache HTTP Server1440.051500.05-5.64
Trusted Secure Certificate Authority1340.041260.044.53
Positive Software1320.041450.05-10.53
Your Name Webhosting1270.041100.0413.48
RM1270.041300.04-3.98
NTT Communications Corporation1250.041180.044.12
FreeSSL1240.041340.04-9.05
Akamai1170.041270.04-9.45
ICS_TREE1110.041130.04-3.45
RegisterFly.com, inc.1100.04750.0244.15
GlobalSign Inc1050.031100.04-6.18
Ipswitch,Inc.1000.031070.03-8.14
Internet Widgits Pty Ltd990.031070.03-9.06
Digital Signature Trust Co.970.03990.03-3.70
CNRS970.03950.030.36
CRU890.03830.035.39
hosting880.03850.031.76
ICP-Brasil880.03870.03-0.58
Default Web Site880.03860.030.57
Plesk Inc.840.03860.03-4.00
IceWarp Software820.03790.032.02
Thawte Certification750.02710.023.82
TBS INTERNET730.02670.027.09
FNMT720.02730.02-3.06
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH690.02710.02-4.48
Sonera680.02590.0213.28
Sun Microsystems Inc660.02600.028.12
MULTICERT-CA650.02640.02-0.18
WebMoney Transfer620.02580.025.07
Unicert Brasil Certificadora620.02600.021.56
My Company Ltd600.02550.027.22
United Network Communications Co., Ltd.590.02590.02-1.71
Japan Certification Services, Inc.590.02590.02-1.71
New Dream Network, LLC.570.02590.02-5.04
CsideNet530.02480.028.53
XYZ Corporation520.02540.02-5.35
InterWorx520.02510.020.21
Temp Certificate!500.02510.02-3.64
Stunnel Developers Ltd500.02470.024.56
TAIWAN-CA.COM490.02500.02-3.68
SuSE Linux Web Server460.01470.02-3.80
Linkopings universitet460.01460.01-1.71
p1atin.de450.0100.00N/A
WOI TBD LUW440.0100.00N/A
"PositiveSoftwareCorporation"440.01410.015.48
IceWarp Ltd.430.01420.010.63
Wytwornia Telewizyjno-Filmowa "Alfa"420.0100.00N/A
University of Maryland410.01400.010.74
Prvni certifikacni autorita a.s.410.01440.01-8.41
NetArt400.01430.01-8.57
Equifax Secure Inc400.01390.010.81
Carnegie Mellon University400.01390.010.81
University of Washington390.01380.010.87
Postecom S.p.A.390.0100.00N/A
Cisco Systems, Inc.390.0100.00N/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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