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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
April 1st, 2015

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 doesn't verify the signatures of the certificates it finds, it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA March 2015
Count
March 2015
%
February 2015
Count
February 2015
%
Growth
%
GoDaddy.com, Inc.412,79419.87399,64319.621.28
COMODO CA Limited268,75712.94259,42012.741.59
GeoTrust, Inc.222,48610.71233,37611.46-6.52
GeoTrust Inc.202,7129.76189,6179.314.83
DigiCert173,4888.35171,2108.41-0.64
GlobalSign nv-sa109,5535.27104,4135.132.88
Verisign72,9173.5175,6563.71-5.49
Gandi63,7773.0762,5173.070.03
Thawte, Inc.56,4042.7258,6372.88-5.68
Unknown38,7731.8739,8281.96-4.54
Starfield Technologies, Inc.38,4241.8538,0671.87-1.02
Network Solutions L.L.C.30,0261.4529,9171.47-1.59
StartCom Ltd.28,6081.3828,3271.39-0.97
thawte, Inc.26,8691.2922,9891.1314.61
Symantec Corporation26,1361.2622,4301.1014.26
Entrust, Inc.21,9521.0621,4771.050.23
Internet221,7461.0521,2551.040.32
TERENA20,4640.9920,0960.99-0.15
Verizon Enterprise Solutions16,5890.8015,8810.782.43
AlphaSSL15,4250.7416,3000.80-7.21
Microsoft Corporation14,4620.7012,5450.6213.04
Parallels13,9850.6713,6290.670.62
Trustwave Holdings, Inc.10,9060.5310,6550.520.37
Volusion, Inc.8,8480.438,7780.43-1.16
SomeOrganization7,9250.387,7610.380.13
Google Inc6,7600.336,5070.321.87
Unizeto Technologies S.A.6,5960.326,4640.320.06
GANDI SAS4,9440.244,8930.24-0.92
Cybertrust Japan Co., Ltd.4,8710.234,8190.24-0.88
Equifax (Geotrust)4,8610.234,9870.24-4.42
Comodo Limited4,3350.214,5470.22-6.51
Cybertrust Inc4,0550.204,3370.21-8.32
SECOM Trust Systems CO.,LTD.3,9320.193,9220.19-1.69
Servision Inc.2,9560.142,9290.14-1.04
none2,9350.142,8570.140.73
QuoVadis Limited2,8160.142,6790.133.07
Globe Hosting, Inc.2,7910.132,7790.14-1.52
Comodo CA Limited2,7090.132,7980.14-5.06
ispgateway2,4500.122,4060.12-0.15
Corporation Service Company1,9650.091,8690.093.09
Thawte1,8530.092,1810.11-16.69
GeoTrust Inc1,6880.081,8550.09-10.77
Root CA1,5520.071,5360.08-0.92
Government of Korea1,5500.071,5510.08-2.01
National Institute of Informatics1,4470.071,4210.07-0.15
T-Systems International GmbH1,4170.071,3950.07-0.40
CAcert Inc.1,4140.071,4450.07-4.05
U.S. Government1,3860.071,3730.07-1.01
Trusted Secure Certificate Authority1,3670.071,3960.07-3.98
Autistici/Inventati1,3550.071,3420.07-0.99
DreamHost1,3260.061,2410.064.77
Intermediate Certificate1,1740.061,1430.060.72
EUNETIC GmbH1,1150.051,1030.05-0.88
UIC1,1140.051,1040.05-1.05
TAIWAN-CA INC.1,0700.051,0530.05-0.36
AusCERT9990.051,0430.05-6.08
Register.com9790.051,0470.05-8.31
NetLock Kft.8130.048110.04-1.70
Internet Widgits Pty Ltd7770.047510.041.45
Parallels, Inc.7240.037230.04-1.81
JSC Regional Network Information Center6930.036670.031.88
DOMENY.PL Ltd.6600.036690.03-3.26
GlobalSign6360.036450.03-3.31
Trend Micro Inc6300.036090.031.44
SwissSign AG6290.036050.031.95
SSL.com6220.035840.034.44
SWsoft, Inc.6100.036140.03-2.58
KAGOYA JAPAN Inc.6030.036110.03-3.23
SecureTrust Corporation5920.036430.03-9.72
KPN Corporate Market BV5840.035740.03-0.23
ICP-Brasil5710.035590.030.16
Snake Oil, Ltd5680.035650.03-1.42
KEYNECTIS5210.034920.023.84
TBS INTERNET5060.024960.020.03
Zimbra Collaboration Server4940.024830.020.29
SGssl4860.024930.02-3.33
Firstserver, Inc4670.024720.02-2.98
nazwa.pl S.A.4450.023770.0215.74
CrossTrust4320.024360.02-2.84
HTTPS Management Certificate for SonicWALL (self-signed)4090.023910.022.57
Alpha3960.024080.02-4.83
ACCV3870.023790.020.13
Ministere education nationale (MENESR)3680.023720.02-3.00
FNMT-RCM3590.023180.0210.70
GAD EG3450.023370.020.39
Agencia Catalana de Certificacio (NIF Q-0801176-I)3350.023290.02-0.15
TrustSign Certificadora Digital3340.023490.02-6.16
OCC3330.023390.02-3.68
XX3270.023150.021.79
FNMT3230.023820.02-17.09
WoSign CA Limited3220.022860.0110.40
Vodafone Group2930.012850.010.81
DREAMSCAPE NETWORKS FZ-LLC2770.012830.01-4.02
WebSupport, s.r.o.2760.012650.012.13
INTERWORX LLC2700.012160.0122.57
AC Camerfirma SA2530.012290.018.33
Pavel&Pavel2500.012470.01-0.75
Apache HTTP Server2500.012360.013.87
Universitaet Stuttgart2430.0100.00N/A
Zimbra Collaboration Suite2350.012380.01-3.18

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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