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You are viewing an outdated report. The latest version of this report was published on January 1st, 2021


    
Certificate Authority Market Share Report
September 1st, 2013

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 August 2013
Count
August 2013
%
July 2013
Count
July 2013
%
Growth
%
GoDaddy.com, Inc.296,63720.62292,33720.69-0.35
GeoTrust, Inc.245,41217.06238,50716.881.05
COMODO CA Limited132,0809.18127,8169.051.48
Verisign94,5536.5794,3886.68-1.63
DigiCert74,6345.1972,8975.160.54
Thawte, Inc.72,7825.0671,9335.09-0.64
GlobalSign nv-sa57,6174.0153,5683.795.63
GeoTrust Inc.52,2853.6351,4893.64-0.28
Unknown35,9692.5035,4942.51-0.48
CAcert Inc.33,1212.3031,7062.242.59
Starfield Technologies, Inc.29,1052.0228,5252.020.20
Network Solutions L.L.C.26,7151.8626,5211.88-1.08
Equifax (Geotrust)20,5111.4320,8011.47-3.17
Entrust, Inc.17,8901.2417,6501.25-0.46
StartCom Ltd.17,4151.2116,8461.191.52
AlphaSSL16,1761.1215,4031.093.13
Comodo Limited15,0091.0415,7191.11-6.23
TERENA14,8811.0314,6441.04-0.21
Internet212,6360.8812,1860.861.83
Comodo CA Limited10,6490.7410,7670.76-2.87
Cybertrust Inc9,3250.659,0190.641.54
Parallels8,3130.588,1750.58-0.14
Volusion, Inc.6,9110.486,7500.480.55
GeoTrust Inc6,1700.436,0890.43-0.49
SomeOrganization5,8650.415,8840.42-2.11
SecureTrust Corporation5,5000.385,6760.40-4.84
Trustwave Holdings, Inc.4,8800.344,5970.334.25
Cybertrust Japan Co., Ltd.4,1930.294,1750.30-1.37
Unizeto Technologies S.A.3,9240.273,8410.270.33
Thawte3,8060.263,9570.28-5.54
SECOM Trust Systems CO.,LTD.3,6620.253,6140.26-0.49
Google Inc3,4240.243,3230.241.19
thawte, Inc.3,2380.233,1730.220.21
Servision Inc.2,3640.162,3370.17-0.66
GANDI SAS2,3540.162,2550.162.51
Root CA1,9150.131,9400.14-3.06
Alpha1,8700.131,8700.13-1.80
GTE Corporation1,7630.121,7850.13-3.01
GlobalSign1,7430.124,6350.33-63.07
none1,6770.121,6440.120.17
QuoVadis Limited1,6610.121,6290.120.13
ispgateway1,5920.111,5460.111.13
U.S. Government1,4810.101,4830.10-1.93
Trusted Secure Certificate Authority1,4670.101,4560.10-1.05
Globe Hosting, Inc.1,3980.101,3060.095.12
Register.com1,2360.091,3060.09-7.06
Government of Korea1,1430.081,0390.078.03
T-Systems International GmbH1,0580.071,0500.07-1.05
National Institute of Informatics1,0460.071,0420.07-1.42
UIC1,0400.071,0370.07-1.51
Autistici/Inventati1,0240.071,0000.070.56
AusCERT1,0030.079830.070.20
SWsoft, Inc.9490.079520.07-2.11
EUNETIC GmbH9430.079340.07-0.85
Parallels, Inc.7810.057680.05-0.13
TC TrustCenter GmbH7730.057910.06-4.03
TAIWAN-CA INC.7310.057140.050.54
Snake Oil, Ltd6900.056740.050.53
ips Certification Authority6800.056990.05-4.47
NetLock Kft.6140.045870.042.72
FNMT5170.045090.04-0.25
Internet Widgits Pty Ltd4910.034740.031.73
Firstserver, Inc4780.034790.03-2.00
ICP-Brasil4620.034580.03-0.94
CrossTrust4470.034460.03-1.58
TBS INTERNET4310.034230.030.06
OCC4310.034250.03-0.41
SwissSign AG4020.033880.031.75
Trend Micro Inc3690.033130.0215.77
Apache HTTP Server3690.033660.03-0.99
RBC Hosting Center3590.023930.03-10.29
Zimbra Collaboration Suite3580.023570.03-1.52
KAGOYA JAPAN Inc.3570.023350.024.65
Getronics Nederland BV3460.023440.02-1.23
XX3450.023290.022.98
OptimumSSL CA3210.023370.02-6.46
HTTPS Management Certificate for SonicWALL (self-signed)3150.023110.02-0.53
Generalitat Valenciana3120.023080.02-0.52
SGssl2940.022870.020.60
DOMENY.PL Ltd.2930.022780.023.50
Ministere education nationale (MENESR)2680.022670.02-1.43
Intermediate Certificate2600.022210.0215.53
Agencia Catalana de Certificacio (NIF Q-0801176-I)2460.022360.022.36
TrustSign Certificadora Digital2440.022300.024.18
SonicWALL, Inc.2440.022540.02-5.66
SECOM Trust.net2350.022680.02-13.89
Dotname Korea Corp.2240.022200.02-0.01
WebSpace-Forum, Thomas Wendt2190.022170.02-0.89
DREAMSCAPE NETWORKS FZ-LLC2180.021990.017.58
InterWorx2160.021970.017.67
WoSign eCommerce Services Limited2110.012000.013.60
OVH SAS2080.012070.01-1.32
Wells Fargo2060.012100.01-3.67
Vodafone Group2010.011930.012.27
KPN Corporate Market BV1980.011910.011.80
Universitaet Stuttgart1900.011890.01-1.28
Positive Software1900.011930.01-3.32
Zimbra Collaboration Server1830.0100.00N/A
DREAMHOST CERTIFICATION AUTHORITY1810.0100.00N/A
Pavel&Pavel1800.0100.00N/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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