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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
June 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 May 2009
Count
May 2009
%
April 2009
Count
April 2009
%
Growth
%
Equifax (Geotrust)141,68525.82139,33226.03-0.79
Verisign80,10714.6079,39714.83-1.56
GoDaddy.com, Inc.59,40210.8355,84410.433.78
Thawte58,85210.7358,21810.87-1.37
Comodo Limited45,8488.3645,0718.42-0.75
Unknown13,4112.4413,0012.430.64
Network Solutions L.L.C.10,9001.9910,5551.970.76
DigiCert10,3331.889,8681.842.16
Starfield Technologies, Inc.8,2181.508,1991.53-2.21
GlobalSign7,8741.437,5201.402.16
GlobalSign nv-sa7,3651.347,0951.331.28
Comodo CA Limited7,1381.306,8091.272.28
Entrust.net5,2790.965,3791.00-4.25
SomeOrganization3,9680.723,9190.73-1.21
Cybertrust3,9540.723,8110.711.23
SWsoft, Inc.3,6950.673,7390.70-3.58
SecureTrust Corporation3,2020.583,0770.571.53
IPS Certification Authority s.l.2,9060.532,8440.53-0.31
COMODO CA Limited2,7230.502,2200.4119.67
Betrusted Japan Co., Ltd.2,0400.372,0000.37-0.48
Root CA1,7600.321,7240.32-0.40
Entrust, Inc.1,6070.299030.1773.63
Snake Oil, Ltd1,5690.291,5990.30-4.26
SECOM Trust.net1,5690.291,5670.29-2.31
Secure Business Services, Inc.1,3680.251,3700.26-2.58
SECOM Trust Systems CO.,LTD.1,2640.231,1990.222.86
Alpha1,2510.231,1720.224.14
Parallels1,1570.219900.1814.03
U.S. Government1,1130.201,1210.21-3.13
Akamai Technologies Inc1,0550.199940.193.55
XRamp Security Services Inc9070.179390.18-5.76
CAcert Inc.8800.168520.160.77
Servision Inc.7630.147290.142.12
TC TrustCenter for Security in Data Networks GmbH7220.138030.15-12.27
T-Systems Enterprise Services GmbH7150.136950.130.37
ispgateway6520.126430.12-1.07
p1atin.de6490.1200.00N/A
Firstserver, Inc.5980.115860.11-0.43
GTE Corporation5840.115650.110.85
Unizeto Sp. z o.o.5670.105960.11-7.18
thawte, Inc.5190.094860.094.19
Trusted Secure Certificate Authority4690.094590.09-0.31
StartCom Ltd.4480.084340.080.71
Firstserver, Inc3900.073770.070.93
OCC3400.063390.06-2.14
NetLock Halozatbiztonsagi Kft.3400.063270.061.45
Cybertrust Inc3240.063120.061.32
Trustwave Holdings, Inc.3220.063130.060.37
suresupport.com3110.062920.053.92
AddTrust AB3090.064030.08-25.19
Earthlink Inc3080.063350.06-10.30
Sonera2730.052610.052.05
TC TrustCenter GmbH2690.052210.0418.76
TBS INTERNET2680.052640.05-0.95
TDC2580.052540.05-0.90
none2510.052390.042.47
WTF ALFA2400.042350.04-0.36
Internet Widgits Pty Ltd2370.042280.041.42
GeoTrust Inc2310.042190.042.91
FNMT2270.042200.040.67
Register.com2220.041970.049.95
Digi-Sign Limited2110.042110.04-2.43
ICP-Brasil1920.031730.038.28
WebSpace-Forum, Thomas Wendt1860.031740.034.30
Positive Software1710.031680.03-0.69
TAIWAN-CA.COM Inc.1690.031660.03-0.67
RM1630.031580.030.65
National Institute of Informatics1630.031620.03-1.83
My Company Ltd1550.031570.03-3.68
CNRS1550.031510.030.15
SonicWALL, Inc.1510.031430.033.03
Apache HTTP Server1480.031540.03-6.23
QuoVadis Limited1430.031240.0212.52
OVH SAS1370.021310.022.04
Positive Software Corporation1360.021440.03-7.85
America Online Inc.1350.021250.025.37
TNC1270.021270.02-2.43
OptimumSSL CA1270.021280.02-3.20
Unicert Brasil Certificadora1220.021220.02-2.43
RegisterFly.com, inc.1190.021270.02-8.58
Parallels, Inc.1170.021020.0211.92
New Dream Network, LLC.1160.021130.020.16
Default Web Site1160.021210.02-6.46
Sun Microsystems Inc1120.021100.02-0.66
InterWorx1120.021090.020.25
MULTICERT-CA1090.021070.02-0.61
ServerAdmin 241080.021050.020.35
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH1080.021070.02-1.52
GlobalSign Inc990.02980.02-1.44
RBC Hosting Center980.02850.0212.49
IceWarp Software960.02950.02-1.41
Digital Signature Trust Co.950.02970.02-4.44
CsideNet Co.,Ltd.880.02860.02-0.16
ICS_TREE870.02890.02-4.63
Unizeto Technologies S.A.840.0200.00N/A
Getronics PinkRoccade Nederland B.V.840.02770.016.44
WoSign, Inc.780.0100.00N/A
Etisalat780.01730.014.25
CENTRAL SECURITY PATROLS CO., LTD.780.01770.01-1.17
Zimbra Collaboration Suite770.0100.00N/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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