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Certificate Authority Market Share Report
December 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 November 2012
Count
November 2012
%
October 2012
Count
October 2012
%
Growth
%
GoDaddy.com, Inc.259,57721.74254,06321.76-0.09
GeoTrust, Inc.177,43614.86171,30814.671.29
Verisign91,5987.6791,3287.82-1.92
COMODO CA Limited80,9836.7876,6276.563.35
Thawte, Inc.65,2855.4764,2565.50-0.64
DigiCert54,0974.5352,8364.520.12
GeoTrust Inc.46,2053.8745,3313.88-0.32
GlobalSign nv-sa39,1243.2833,4172.8614.49
Unknown32,1172.6931,4912.70-0.27
Equifax (Geotrust)26,0322.1827,0582.32-5.92
Network Solutions L.L.C.24,2582.0323,8422.04-0.50
Starfield Technologies, Inc.23,4021.9622,8231.950.27
Comodo Limited23,1801.9423,6302.02-4.07
Comodo CA Limited21,2331.7822,2111.90-6.52
CAcert Inc.16,6661.4014,6451.2511.29
Entrust, Inc.15,3671.2915,0521.29-0.16
TERENA12,2611.0311,9341.020.47
StartCom Ltd.12,0151.0111,0750.956.09
AlphaSSL10,2100.859,6840.833.10
GlobalSign8,8890.7413,3841.15-35.05
SecureTrust Corporation8,4400.718,5550.73-3.52
Internet28,2850.697,9030.682.52
Thawte6,9780.587,1810.61-4.97
Parallels6,2320.526,0730.520.35
Akamai Technologies Inc5,8800.495,7940.50-0.76
Volusion, Inc.5,3330.455,0940.442.38
SomeOrganization5,3020.445,2950.45-2.08
GeoTrust Inc4,4370.374,2520.362.04
Cybertrust Japan Co., Ltd.3,9380.333,9140.34-1.61
SECOM Trust Systems CO.,LTD.3,0520.263,0180.26-1.11
thawte, Inc.2,7160.232,6630.23-0.26
Unizeto Technologies S.A.2,5920.222,5020.211.31
Google Inc2,4900.212,4190.210.66
Servision Inc.2,1030.182,0790.18-1.08
Alpha2,0430.172,0410.17-2.11
Root CA1,8850.161,8920.16-2.57
GTE Corporation1,6100.131,5610.130.86
Cybertrust Inc1,5880.131,4860.134.50
Trustwave Holdings, Inc.1,5100.131,3210.1111.78
GANDI SAS1,4730.121,4030.122.67
U.S. Government1,4200.121,3900.12-0.10
QuoVadis Limited1,4140.121,3780.120.34
ispgateway1,2970.111,2650.110.26
none1,2870.111,2400.111.50
SWsoft, Inc.1,2610.111,2630.11-2.36
Register.com1,2160.101,1880.100.10
Trusted Secure Certificate Authority1,1640.101,1400.10-0.15
TC TrustCenter GmbH1,1090.091,1140.10-2.65
UIC9930.089900.08-1.91
Government of Korea9880.089490.081.81
T-Systems International GmbH9700.089560.08-0.78
Globe Hosting, Inc.8940.078480.073.09
National Institute of Informatics8530.078390.07-0.58
AusCERT8490.078340.07-0.45
Autistici/Inventati8330.078070.070.94
EUNETIC GmbH8120.077940.070.01
Snake Oil, Ltd7950.077970.07-2.46
ips Certification Authority7390.067490.06-3.52
SECOM Trust.net7210.067490.06-5.87
Parallels, Inc.6620.066660.06-2.80
TAIWAN-CA INC.5360.045090.042.98
OVH SAS4840.044800.04-1.39
Firstserver, Inc4820.044870.04-3.21
FNMT4400.044340.04-0.86
RBC Hosting Center4340.044220.040.57
OCC4250.044230.04-1.75
CrossTrust4180.044190.04-2.44
Zimbra Collaboration Suite4050.034070.03-2.69
Internet Widgits Pty Ltd3990.033940.03-0.97
WTF ALFA3980.033880.030.31
ICP-Brasil3960.033930.03-1.46
TBS INTERNET3760.033700.03-0.62
NetLock Halozatbiztonsagi Kft.3720.033860.03-5.76
Apache HTTP Server3480.033460.03-1.64
OptimumSSL CA3180.033070.031.29
Getronics Nederland BV3000.032820.024.03
NetLock Kft.2930.022630.028.95
SwissSign AG2880.022790.020.94
XX2850.022850.02-2.21
SonicWALL, Inc.2730.022680.02-0.39
Secure Business Services, Inc.2600.022680.02-5.13
Betrusted Japan Co., Ltd.2450.022570.02-6.78
KAGOYA JAPAN Inc.2430.022310.022.87
Generalitat Valenciana2360.022210.024.43
Ministere education nationale (MENESR)2320.022300.02-1.36
InterWorx2260.022090.025.74
Wells Fargo2250.022310.02-4.75
WebSpace-Forum, Thomas Wendt2250.022210.02-0.44
SGssl2240.022120.023.33
Agencia Catalana de Certificacio (NIF Q-0801176-I)2140.022070.021.10
TDC2050.022070.02-3.15
Sonera2040.022110.02-5.45
HTTPS Management Certificate for SonicWALL (self-signed)2040.022000.02-0.25
Dotname Korea Corp.2020.021950.021.30
Digi-Sign Limited1880.021910.02-3.75
Positive Software1830.021860.02-3.79
My Company Ltd1810.021820.02-2.75
Cybertrust1780.012050.02-15.09
Trend Micro Inc1720.0100.00N/A
MULTICERT-CA1710.011710.01-2.21

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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