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You are viewing an outdated report. The latest version of this report was published on October 1st, 2020


    
Certificate Authority Market Share Report
June 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 May 2015
Count
May 2015
%
April 2015
Count
April 2015
%
Growth
%
GoDaddy.com, Inc.438,93020.15424,38219.881.34
COMODO CA Limited301,45513.84284,28713.323.90
GeoTrust Inc.250,16411.48224,62010.529.13
DigiCert209,2609.61200,3059.382.36
GeoTrust, Inc.164,8317.57190,5808.93-15.26
GlobalSign nv-sa115,8965.32115,9515.43-2.06
Gandi67,4413.1065,4273.071.00
Verisign57,0362.6268,1693.19-18.02
Thawte, Inc.46,2002.1252,4372.46-13.67
Symantec Corporation42,1561.9431,3161.4731.90
Unknown39,4011.8138,9461.82-0.87
Starfield Technologies, Inc.38,6591.7738,6391.81-1.97
thawte, Inc.36,4511.6730,7981.4415.97
Network Solutions L.L.C.29,9861.3830,1211.41-2.46
StartCom Ltd.29,3481.3528,8031.35-0.16
Internet222,6321.0422,1791.04-0.02
Entrust, Inc.22,3821.0322,1341.04-0.92
TERENA21,2750.9820,8520.98-0.03
Verizon Enterprise Solutions19,0050.8718,0980.852.89
Microsoft Corporation15,3980.7114,8860.701.35
Parallels14,9190.6814,5700.680.33
AlphaSSL12,7100.5814,1560.66-12.03
Trustwave Holdings, Inc.11,2390.5211,1140.52-0.91
SomeOrganization8,3550.387,9850.372.52
Volusion, Inc.8,0170.378,6280.40-8.96
Google Inc7,3010.347,0600.331.33
Unizeto Technologies S.A.7,0960.336,8490.321.52
Cybertrust Japan Co., Ltd.4,9210.234,9020.23-1.64
GANDI SAS4,6300.214,8650.23-6.75
Comodo Limited4,4280.204,3920.21-1.21
Equifax (Geotrust)4,0200.184,5010.21-12.49
SECOM Trust Systems CO.,LTD.3,8830.183,8960.18-2.34
Cybertrust Inc3,6640.173,7790.18-5.00
none3,2730.153,1370.152.23
QuoVadis Limited3,2310.152,9620.146.88
Servision Inc.3,0360.143,0150.14-1.33
Globe Hosting, Inc.2,8250.132,7970.13-1.04
ispgateway2,5740.122,5200.120.08
Comodo CA Limited2,3490.112,6100.12-11.82
Corporation Service Company2,3240.112,1750.104.70
Thawte1,7330.081,7950.08-5.40
Government of Korea1,6270.071,5950.07-0.05
nazwa.pl S.A.1,5760.071,5220.071.46
DreamHost1,5350.071,4330.074.96
Root CA1,5120.071,5220.07-2.66
National Institute of Informatics1,4960.071,4640.070.12
T-Systems International GmbH1,4910.071,4720.07-0.75
CAcert Inc.1,4340.071,4000.070.36
U.S. Government1,3900.061,3980.07-2.58
Autistici/Inventati1,3870.061,3700.06-0.80
Intermediate Certificate1,2600.061,2220.061.03
GeoTrust Inc1,2030.061,4560.07-19.04
EUNETIC GmbH1,1360.051,1270.05-1.23
UIC1,1210.051,1180.05-1.75
Trusted Secure Certificate Authority1,1050.051,2680.06-14.61
TAIWAN-CA INC.1,0040.051,0540.05-6.67
AusCERT8160.049470.04-15.57
NetLock Kft.7970.048000.04-2.38
Internet Widgits Pty Ltd7930.047860.04-1.14
Register.com7430.038620.04-15.54
SSL.com7320.036870.034.40
Parallels, Inc.7060.037240.03-4.45
Trend Micro Inc6770.036600.030.51
SwissSign AG6730.036590.030.06
JSC Regional Network Information Center6190.036630.03-8.52
KPN Corporate Market BV6150.035980.030.77
DOMENY.PL Ltd.6010.036550.03-10.09
GlobalSign5970.036250.03-6.41
ICP-Brasil5930.035730.031.40
KEYNECTIS5840.035560.032.92
KAGOYA JAPAN Inc.5820.035880.03-3.02
SWsoft, Inc.5690.035820.03-4.21
WoSign CA Limited5560.034140.0231.59
Snake Oil, Ltd5360.025520.03-4.86
TBS INTERNET5240.025090.020.87
Zimbra Collaboration Server5230.025040.021.68
DOMENY.PL sp. z o.o4940.023220.0250.32
SecureTrust Corporation4790.025460.03-14.04
SGssl4770.024830.02-3.23
Firstserver, Inc4570.024660.02-3.91
HTTPS Management Certificate for SonicWALL (self-signed)4400.024090.025.41
CrossTrust4270.024310.02-2.93
ACCV4150.024050.020.40
FNMT-RCM4080.023930.021.72
Ministere education nationale (MENESR)3850.023840.02-1.76
Alpha3670.023890.02-7.56
GAD EG3600.023500.020.78
XX3450.023500.02-3.42
Agencia Catalana de Certificacio (NIF Q-0801176-I)3430.023440.02-2.30
OCC3290.023380.02-4.63
WebSupport, s.r.o.2980.012810.013.91
TrustSign Certificadora Digital2980.013360.02-13.10
INTERWORX LLC2780.012720.010.14
FNMT2690.012900.01-9.11
Vodafone Group2680.012840.01-7.54
AC Camerfirma SA2610.012590.01-1.26
DREAMSCAPE NETWORKS FZ-LLC2570.012690.01-6.39
Pavel&Pavel2520.012510.01-1.63
Universitaet Stuttgart2480.012480.01-2.02
Rede Nacional de Ensino e Pesquisa - RNP2350.0100.00N/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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