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You are viewing an outdated report. The latest version of this report was published on September 1st, 2018


    
Certificate Authority Market Share Report
October 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 only uses the issuer Organization Name to uniquely identify the issuing CA.

CA September 2015
Count
September 2015
%
August 2015
Count
August 2015
%
Growth
%
GoDaddy.com, Inc.495,27520.79480,61520.660.64
GeoTrust Inc.344,95514.48320,05513.765.26
COMODO CA Limited335,31314.07322,58913.861.51
DigiCert245,30110.30234,57010.082.13
GlobalSign nv-sa133,5185.60127,4955.482.28
GeoTrust, Inc.88,9843.74108,6304.67-20.00
Gandi74,1173.1172,1753.100.29
Symantec Corporation62,8742.6457,6782.486.46
thawte, Inc.52,8302.2248,6942.095.96
Starfield Technologies, Inc.39,0711.6438,2771.65-0.31
Verisign37,8461.5942,8721.84-13.79
StartCom Ltd.32,0051.3431,1201.340.44
Unknown31,9841.3441,1781.77-24.14
Thawte, Inc.29,8681.2534,1351.47-14.55
Unizeto Technologies S.A.29,6141.2429,1121.25-0.65
Microsoft Corporation27,3761.1516,9190.7358.02
Internet224,6671.0423,8281.021.10
Network Solutions L.L.C.24,1571.0126,9691.16-12.52
Entrust, Inc.23,4180.9823,0440.99-0.75
Verizon Enterprise Solutions23,0960.9723,3021.00-3.20
TERENA22,0910.9321,9140.94-1.55
Parallels16,5070.6916,0660.690.34
Trustwave Holdings, Inc.12,1160.5111,8220.510.09
AlphaSSL9,4240.4010,4900.45-12.26
SomeOrganization9,1130.388,6580.372.79
Google Inc8,4340.358,1000.351.69
Volusion, Inc.6,2610.266,9160.30-11.59
Cybertrust Japan Co., Ltd.5,1260.225,1170.22-2.17
QuoVadis Limited4,4660.194,0530.177.61
Comodo Limited4,2070.184,2440.18-3.19
GANDI SAS3,9280.164,2440.18-9.61
none3,8930.163,7280.161.98
SECOM Trust Systems CO.,LTD.3,8870.163,8900.17-2.41
WoSign CA Limited3,5970.151,0860.05223.47
Equifax (Geotrust)3,0720.133,3860.15-11.40
Corporation Service Company2,9750.122,8180.123.10
ispgateway2,7440.122,6870.12-0.27
Servision Inc.2,5230.112,6870.12-8.30
Globe Hosting, Inc.2,5010.102,8110.12-13.11
DreamHost1,8610.081,8040.080.75
nazwa.pl S.A.1,8090.081,8480.08-4.40
Government of Korea1,7850.071,7440.07-0.04
National Institute of Informatics1,6030.071,5500.071.00
Thawte1,5690.071,6090.07-4.77
T-Systems International GmbH1,5680.071,5370.07-0.37
Comodo CA Limited1,4990.061,5860.07-7.70
Autistici/Inventati1,4540.061,4380.06-1.25
Root CA1,4430.061,4460.06-2.54
CAcert Inc.1,4350.061,4300.06-2.00
Intermediate Certificate1,4250.061,3760.061.14
U.S. Government1,3830.061,3680.06-1.27
UIC1,1410.051,1370.05-1.99
EUNETIC GmbH1,1410.051,1400.05-2.25
SSL.com9720.048810.047.75
Internet Widgits Pty Ltd9120.048530.044.42
TAIWAN-CA INC.8700.049270.04-8.34
NetLock Kft.8140.038440.04-5.81
DOMENY.PL sp. z o.o7980.036780.0314.95
SwissSign AG7760.037520.030.78
Trend Micro Inc7420.037230.030.23
Trusted Secure Certificate Authority7080.038190.04-15.57
Parallels, Inc.6900.036960.03-3.18
KEYNECTIS6850.036800.03-1.62
KDDI Web Communications Inc.6710.034720.0238.84
KPN Corporate Market BV6680.036540.03-0.25
ICP-Brasil6200.036100.03-0.74
AusCERT6070.036430.03-7.81
Cybertrust Inc5930.026520.03-11.18
GeoTrust Inc5920.027350.03-21.34
Zimbra Collaboration Server5840.025570.022.40
Register.com5740.026210.03-9.73
SWsoft, Inc.5560.025490.02-1.09
TBS INTERNET5300.025120.021.09
Snake Oil, Ltd5090.025180.02-4.04
KAGOYA JAPAN Inc.5070.025430.02-8.81
FNMT-RCM4990.024850.020.48
HTTPS Management Certificate for SonicWALL (self-signed)4640.024560.02-0.63
Rede Nacional de Ensino e Pesquisa - RNP4570.023700.0220.63
ACCV4570.024510.02-1.04
Firstserver, Inc4540.024560.02-2.77
DOMENY.PL Ltd.4530.025240.02-15.57
SGssl4440.024680.02-7.35
GlobalSign4350.025200.02-18.30
TAIWAN-CA4280.023430.0121.86
CrossTrust4070.024110.02-3.29
JSC Regional Network Information Center3810.024570.02-18.58
GAD EG3790.023760.02-1.56
Agencia Catalana de Certificacio (NIF Q-0801176-I)3700.023640.02-0.73
XX3590.023710.02-5.50
TurnKey Linux3560.013430.011.36
WebSupport, s.r.o.3420.013330.010.30
OCC3360.013390.01-3.20
Dreamcommerce S.A.3230.013160.01-0.18
Ministere education nationale (MENESR)3090.013080.01-2.02
SecureTrust Corporation3020.013460.01-14.76
Universitaet Stuttgart2770.012680.010.94
MyCompany2640.0100.00N/A
AC Camerfirma SA2640.012730.01-5.56
Pavel&Pavel2580.012550.01-1.19
Alpha2470.012650.01-8.97

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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