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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
November 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 October 2015
Count
October 2015
%
September 2015
Count
September 2015
%
Growth
%
GoDaddy.com, Inc.507,34220.99495,27520.790.99
COMODO CA Limited358,36014.83335,31314.075.36
GeoTrust Inc.356,22614.74344,95514.481.81
DigiCert250,44810.36245,30110.300.65
GlobalSign nv-sa128,5035.32133,5185.60-5.12
GeoTrust, Inc.75,6613.1388,9843.74-16.17
Gandi75,5513.1374,1173.110.49
Symantec Corporation67,0372.7762,8742.645.11
thawte, Inc.55,6732.3052,8302.223.89
Starfield Technologies, Inc.39,6381.6439,0711.640.02
Verisign33,6271.3937,8461.59-12.40
StartCom Ltd.32,3441.3432,0051.34-0.37
Unknown31,1081.2931,9841.34-4.11
Unizeto Technologies S.A.30,0761.2429,6141.240.12
Microsoft Corporation27,7431.1527,3761.15-0.09
Thawte, Inc.26,1301.0829,8681.25-13.75
Internet224,7351.0224,6671.04-1.14
Verizon Enterprise Solutions23,6800.9823,0960.971.08
Entrust, Inc.23,6530.9823,4180.98-0.43
Network Solutions L.L.C.23,6200.9824,1571.01-3.61
TERENA22,4760.9322,0910.930.30
Parallels16,8080.7016,5070.690.38
Trustwave Holdings, Inc.12,2430.5112,1160.51-0.38
SomeOrganization9,1790.389,1130.38-0.70
Google Inc8,6280.368,4340.350.85
AlphaSSL8,4030.359,4240.40-12.10
Volusion, Inc.5,6710.236,2610.26-10.70
Cybertrust Japan Co., Ltd.5,1960.225,1260.22-0.07
QuoVadis Limited4,7250.204,4660.194.30
Comodo Limited4,1920.174,2070.18-1.77
none4,0470.173,8930.162.49
SECOM Trust Systems CO.,LTD.3,7600.163,8870.16-4.64
WoSign CA Limited3,7300.153,5970.152.23
GANDI SAS3,7070.153,9280.16-6.96
Corporation Service Company3,0570.132,9750.121.30
Equifax (Geotrust)2,9350.123,0720.13-5.81
ispgateway2,7720.112,7440.12-0.41
Globe Hosting, Inc.2,4410.102,5010.10-3.78
Servision Inc.2,3870.102,5230.11-6.73
nazwa.pl S.A.1,9970.081,8090.088.83
DreamHost1,9580.081,8610.083.72
Government of Korea1,8170.081,7850.070.35
National Institute of Informatics1,6550.071,6030.071.78
T-Systems International GmbH1,5660.061,5680.07-1.54
Intermediate Certificate1,4720.061,4250.061.84
Autistici/Inventati1,4650.061,4540.06-0.67
Root CA1,4460.061,4430.06-1.21
Comodo CA Limited1,4420.061,4990.06-5.16
CAcert Inc.1,4190.061,4350.06-2.51
U.S. Government1,3660.061,3830.06-2.63
UIC1,1420.051,1410.05-1.33
EUNETIC GmbH1,1420.051,1410.05-1.33
SSL.com1,0170.049720.043.15
Thawte1,0080.041,5690.07-36.66
Internet Widgits Pty Ltd9230.049120.04-0.23
DOMENY.PL sp. z o.o8600.047980.036.25
KDDI Web Communications Inc.8510.046710.0325.03
SwissSign AG8170.037760.033.79
TAIWAN-CA INC.8100.038700.04-8.21
NetLock Kft.7940.038140.03-3.84
Trend Micro Inc7780.037420.033.37
KEYNECTIS7020.036850.031.03
KPN Corporate Market BV6780.036680.030.06
Parallels, Inc.6710.036900.03-4.13
Trusted Secure Certificate Authority6460.037080.03-10.05
ICP-Brasil6340.036200.030.81
Zimbra Collaboration Server5980.025840.020.95
SWsoft, Inc.5380.025560.02-4.61
TBS INTERNET5220.025300.02-2.90
Register.com5190.025740.02-10.86
Cybertrust Inc5170.025930.02-14.05
FNMT-RCM5140.024990.021.55
AusCERT5100.026070.03-17.17
Rede Nacional de Ensino e Pesquisa - RNP5030.024570.028.51
TAIWAN-CA4980.024280.0214.71
SecureCore4920.0200.00N/A
Snake Oil, Ltd4840.025090.02-6.26
GeoTrust Inc4830.025920.02-19.57
HTTPS Management Certificate for SonicWALL (self-signed)4820.024640.022.41
KAGOYA JAPAN Inc.4750.025070.02-7.64
ACCV4640.024570.020.10
Firstserver, Inc4450.024540.02-3.37
DOMENY.PL Ltd.4180.024530.02-9.03
SGssl4040.024440.02-10.30
CrossTrust4010.024070.02-2.87
GAD EG3830.023790.02-0.37
GlobalSign3780.024350.02-14.33
Agencia Catalana de Certificacio (NIF Q-0801176-I)3720.023700.02-0.88
XX3630.023590.02-0.32
JSC Regional Network Information Center3570.013810.02-7.62
WebSupport, s.r.o.3510.013420.011.18
TurnKey Linux3490.013560.01-3.35
Dreamcommerce S.A.3400.013230.013.77
OCC2970.013360.01-12.86
Universitaet Stuttgart2820.012770.010.37
SecureTrust Corporation2760.013020.01-9.90
Ministere education nationale (MENESR)2730.013090.01-12.90
MyCompany2720.012640.011.57
Pavel&Pavel2580.012580.01-1.41
AC Camerfirma SA2570.012640.01-4.03

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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