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Certificate Authority Market Share Report
October 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 September 2012
Count
September 2012
%
August 2012
Count
August 2012
%
Growth
%
GoDaddy.com, Inc.252,88521.95254,18622.39-1.94
GeoTrust, Inc.163,93914.23154,22813.584.77
Verisign91,7587.9791,8488.09-1.53
COMODO CA Limited71,4986.2167,4405.944.50
Thawte, Inc.63,6815.5363,0505.55-0.45
DigiCert51,3164.4550,3094.430.54
GeoTrust Inc.44,9193.9044,4553.92-0.40
GlobalSign nv-sa32,1502.7931,1432.741.75
Unknown31,1422.7030,9182.72-0.72
Equifax (Geotrust)29,7912.5931,6352.79-7.18
Comodo Limited25,1222.1825,3842.24-2.45
Comodo CA Limited24,3242.1125,6542.26-6.54
Network Solutions L.L.C.23,6322.0523,3932.06-0.43
Starfield Technologies, Inc.21,8251.8921,5611.90-0.23
Entrust, Inc.14,8301.2914,6511.29-0.23
GlobalSign13,4371.1713,4791.19-1.74
CAcert Inc.13,1241.1411,5571.0211.93
TERENA11,6261.0111,2790.991.60
StartCom Ltd.10,6690.9310,2770.912.33
AlphaSSL8,8820.778,5320.752.61
SecureTrust Corporation8,8610.778,9740.79-2.67
Thawte7,7500.678,3010.73-7.98
Internet27,4950.657,1550.633.25
Parallels5,9170.515,7530.511.38
Akamai Technologies Inc5,6450.495,5370.490.49
SomeOrganization5,2520.465,2180.46-0.79
Volusion, Inc.4,8920.424,7050.412.48
GeoTrust Inc4,0880.353,9720.351.45
Cybertrust Japan Co., Ltd.3,8950.343,8610.34-0.57
SECOM Trust Systems CO.,LTD.2,9880.262,9350.260.35
thawte, Inc.2,6420.232,5850.230.74
Unizeto Technologies S.A.2,4560.212,4360.21-0.62
Google Inc2,4020.212,3300.211.61
Alpha2,0680.182,1000.18-2.94
Servision Inc.2,0610.182,0430.18-0.56
Root CA1,8990.161,8850.17-0.70
GTE Corporation1,5500.131,5360.14-0.53
Cybertrust Inc1,4580.131,4300.130.50
U.S. Government1,3960.121,4340.13-4.05
QuoVadis Limited1,3740.121,3400.121.07
GANDI SAS1,3580.121,3190.121.48
SWsoft, Inc.1,3380.121,4120.12-6.60
ispgateway1,2430.111,2140.110.92
none1,1750.101,1470.100.97
Register.com1,1640.101,1490.10-0.15
Trusted Secure Certificate Authority1,1150.101,1050.10-0.54
TC TrustCenter GmbH1,1110.101,1260.10-2.75
Trustwave Holdings, Inc.1,0370.098780.0816.42
UIC9840.099810.09-1.13
T-Systems International GmbH9360.089330.08-1.12
Government of Korea9290.089250.08-1.01
Globe Hosting, Inc.8600.078240.072.87
Snake Oil, Ltd8190.078310.07-2.86
OVH SAS8180.077400.078.96
National Institute of Informatics8180.078000.070.78
AusCERT8070.077910.070.56
SECOM Trust.net8040.078370.07-5.32
Autistici/Inventati7950.077790.070.59
EUNETIC GmbH7870.077770.07-0.16
ips Certification Authority7660.077540.070.14
Parallels, Inc.6410.066470.06-2.35
Firstserver, Inc4820.044820.04-1.43
TAIWAN-CA INC.4760.044700.04-0.17
FNMT4300.044150.042.13
OCC4270.044090.042.90
RBC Hosting Center4250.044010.044.47
Zimbra Collaboration Suite4180.044080.040.98
NetLock Halozatbiztonsagi Kft.4150.044150.04-1.43
CrossTrust4120.044120.04-1.43
ICP-Brasil3970.033900.030.34
Internet Widgits Pty Ltd3940.033760.033.29
WTF ALFA3860.033840.03-0.92
TBS INTERNET3660.033650.03-1.16
Apache HTTP Server3490.033570.03-3.64
Betrusted Japan Co., Ltd.3020.033210.03-7.27
Secure Business Services, Inc.3000.033090.03-4.30
OptimumSSL CA2990.033010.03-2.09
XX2820.022850.03-2.47
Getronics Nederland BV2810.022710.022.20
SonicWALL, Inc.2750.022790.02-2.85
SwissSign AG2700.022550.024.36
Cybertrust2630.023210.03-19.24
NetLock Kft.2330.022160.026.32
Ministere education nationale (MENESR)2290.022190.023.07
KAGOYA JAPAN Inc.2280.022230.020.78
Sonera2270.022470.02-9.41
WebSpace-Forum, Thomas Wendt2260.022210.020.80
TDC2170.022240.02-4.51
SGssl2160.022060.023.35
Generalitat Valenciana2090.021980.024.04
Agencia Catalana de Certificacio (NIF Q-0801176-I)2060.021990.022.03
HTTPS Management Certificate for SonicWALL (self-signed)1990.022010.02-2.41
InterWorx1980.022250.02-13.26
Digi-Sign Limited1940.021920.02-0.41
Positive Software1910.021880.020.14
My Company Ltd1890.021820.022.36
Dotname Korea Corp.1780.021750.020.26
Wells Fargo1770.021790.02-2.53
MULTICERT-CA1700.0100.00N/A
SiteGround LLC.1630.012000.02-19.67

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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