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Certificate Authority Market Share Report
March 1st, 2012

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 2012
Count
February 2012
%
January 2012
Count
January 2012
%
Growth
%
GoDaddy.com, Inc.207,35320.99198,56220.572.03
GeoTrust, Inc.114,48311.59107,01811.094.52
Verisign91,1659.2391,1839.45-2.31
Thawte, Inc.52,9295.3650,8955.271.61
Equifax (Geotrust)52,3565.3057,0635.91-10.35
COMODO CA Limited43,6944.4240,7254.224.83
DigiCert40,5784.1139,7444.12-0.24
GeoTrust Inc.38,4103.8937,4853.880.12
Comodo Limited31,0443.1433,5483.48-9.59
Comodo CA Limited28,7102.9126,7232.774.97
Unknown26,4272.6725,3592.631.82
GlobalSign nv-sa24,1412.4422,9352.382.85
Network Solutions L.L.C.20,9252.1220,4122.110.16
Starfield Technologies, Inc.18,4341.8718,0941.87-0.46
Thawte15,6331.5817,3251.79-11.83
GlobalSign14,9601.5115,2291.58-4.02
Entrust, Inc.13,0711.3212,7281.320.34
TERENA9,2720.948,9880.930.79
StartCom Ltd.7,7560.787,3240.763.47
SecureTrust Corporation7,6750.787,5610.78-0.82
Parallels4,9200.504,7270.491.70
SomeOrganization4,8890.494,7810.50-0.09
Internet24,8010.494,3580.457.64
AlphaSSL4,5680.463,8010.3917.42
Akamai Technologies Inc4,4830.454,3250.451.28
Alpha3,5540.364,0280.42-13.79
Cybertrust Japan Co., Ltd.3,5220.363,4260.350.45
CAcert Inc.3,2210.332,3060.2436.48
GeoTrust Inc3,0330.312,8290.294.75
Volusion, Inc.2,9040.292,4770.2614.55
SECOM Trust Systems CO.,LTD.2,8190.292,7740.29-0.71
thawte, Inc.2,2770.232,2200.230.22
Unizeto Technologies S.A.2,0530.211,9210.204.42
Root CA1,8840.191,9040.20-3.32
Servision Inc.1,8780.191,8510.19-0.87
SWsoft, Inc.1,8570.191,9020.20-4.60
Google Inc1,7710.181,6740.173.37
U.S. Government1,3760.141,3730.14-2.08
Cybertrust Inc1,2330.121,1830.121.84
TC TrustCenter GmbH1,2160.121,2410.13-4.26
GTE Corporation1,1880.121,2870.13-9.81
QuoVadis Limited1,1700.121,1280.121.35
ispgateway1,0700.111,0530.11-0.72
Register.com1,0560.111,0350.11-0.31
GANDI SAS9980.109580.101.79
SECOM Trust.net9960.101,0310.11-5.61
Trusted Secure Certificate Authority9740.109570.10-0.56
none9660.109270.101.82
UIC9390.109300.10-1.35
Snake Oil, Ltd9310.099600.10-5.24
T-Systems International GmbH8150.088080.08-1.45
Sun Microsystems Inc7700.087720.08-2.55
ips Certification Authority7540.088600.09-14.34
AusCERT7020.076830.070.43
EUNETIC GmbH6930.076740.070.46
Government of Korea6740.076400.072.90
Cybertrust6690.077410.08-11.79
National Institute of Informatics6640.076440.070.74
Autistici/Inventati6160.065720.065.22
Globe Hosting, Inc.5840.065560.062.63
OVH SAS5790.066020.06-6.03
Parallels, Inc.5530.065250.052.92
Betrusted Japan Co., Ltd.5250.055690.06-9.85
NetLock Halozatbiztonsagi Kft.5170.055410.06-6.63
WebSpace-Forum, Thomas Wendt4690.053920.0416.90
Firstserver, Inc4450.054430.05-1.85
Secure Business Services, Inc.4310.044680.05-10.02
OCC3950.043920.04-1.54
FNMT3890.043840.04-1.02
CrossTrust3750.043670.04-0.16
WTF ALFA3590.043580.04-2.02
TBS INTERNET3520.043570.04-3.66
Internet Widgits Pty Ltd3510.043510.04-2.29
TAIWAN-CA INC.3390.033130.035.82
ICP-Brasil3320.033290.03-1.40
Zimbra Collaboration Suite3300.033180.031.39
RBC Hosting Center3290.033360.03-4.33
Apache HTTP Server3080.033130.03-3.85
Sonera2920.033050.03-6.46
OptimumSSL CA2760.032690.030.25
SonicWALL, Inc.2630.032630.03-2.29
XX2560.032440.032.51
TDC2260.022230.02-0.98
Getronics Nederland BV2140.021860.0212.42
SwissSign AG2070.021890.027.01
SiteGround LLC.2000.022110.02-7.39
Ministere education nationale (MENESR)1900.021780.024.29
Digi-Sign Limited1890.021980.02-6.73
TAIWAN-CA.COM Inc.1800.021820.02-3.37
Entrust.net1790.021890.02-7.46
InterWorx1780.021720.021.12
KAGOYA JAPAN Inc.1700.021590.024.47
Wells Fargo1660.021670.02-2.88
Agencia Catalana de Certificacio (NIF Q-0801176-I)1640.0200.00N/A
SGssl1620.021610.02-1.69
HTTPS Management Certificate for SonicWALL (self-signed)1610.021620.02-2.90
Positive Software1560.021580.02-3.53
My Company Ltd1560.021570.02-2.91
MULTICERT-CA1550.021500.020.96
Universitaet Heidelberg1510.021510.02-2.29

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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