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You are viewing an outdated report.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
August 1st, 2011

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 July 2011
Count
July 2011
%
June 2011
Count
June 2011
%
Growth
%
GoDaddy.com, Inc.149,55317.42145,37717.181.43
Equifax (Geotrust)109,47012.75115,77613.68-6.77
Verisign88,41210.3088,58810.47-1.60
GeoTrust, Inc.54,7536.3848,5365.7411.23
Comodo Limited44,8455.2246,3575.48-4.62
Thawte, Inc.40,1844.6837,5234.435.59
DigiCert32,5713.7931,7973.761.00
GeoTrust Inc.29,5913.4527,3403.236.72
Thawte26,2963.0629,3953.47-11.80
COMODO CA Limited25,7032.9924,0422.845.41
Unknown21,5502.5121,2012.510.22
Comodo CA Limited21,1812.4720,2692.403.04
Network Solutions L.L.C.19,2512.2418,8192.220.86
GlobalSign nv-sa17,4692.0416,5681.963.96
Starfield Technologies, Inc.15,8781.8515,6461.850.06
GlobalSign15,6811.8315,6341.85-1.10
Entrust, Inc.11,2641.3110,8761.292.12
TERENA7,4110.867,1830.851.73
SecureTrust Corporation6,9340.816,9140.82-1.12
Alpha5,7650.675,9130.70-3.87
StartCom Ltd.5,3570.625,1150.603.26
SomeOrganization4,5560.534,7000.56-4.42
Parallels4,0030.473,9070.461.02
Akamai Technologies Inc3,6760.433,6020.430.62
Cybertrust Japan Co., Ltd.3,0530.362,9060.343.59
SECOM Trust Systems CO.,LTD.2,6240.312,6170.31-1.14
SWsoft, Inc.2,2290.262,2780.27-3.52
GeoTrust Inc2,1190.251,9860.235.20
thawte, Inc.1,9800.231,9250.231.42
CAcert Inc.1,9380.231,8230.224.82
Root CA1,8840.221,8750.22-0.93
Sun Microsystems Inc1,8360.211,8410.22-1.67
Internet21,7350.201,3580.1625.97
Servision Inc.1,7170.201,7080.20-0.88
Unizeto Technologies S.A.1,6960.201,6450.191.66
U.S. Government1,3640.161,3270.161.35
Google Inc1,2880.151,2290.153.33
TC TrustCenter GmbH1,2460.151,2550.15-2.11
SECOM Trust.net1,1740.141,1850.14-2.32
Cybertrust1,0980.131,1630.14-6.91
Register.com1,0470.121,0290.120.32
Snake Oil, Ltd1,0370.121,0380.12-1.50
Cybertrust Inc1,0240.129930.121.68
ips Certification Authority9750.119730.11-1.20
ispgateway9670.119650.11-1.20
GTE Corporation9550.119110.113.36
QuoVadis Limited9510.119270.111.15
UIC9030.118980.11-0.85
Trusted Secure Certificate Authority8980.108900.11-0.51
Betrusted Japan Co., Ltd.8380.109740.12-15.17
Secure Business Services, Inc.7940.098370.10-6.47
GANDI SAS7710.097330.093.71
none7530.097320.091.43
AlphaSSL6430.072800.03126.43
AusCERT5770.075620.071.23
National Institute of Informatics5420.065290.061.02
Volusion, Inc.5340.062770.0390.08
EUNETIC GmbH5120.065000.060.97
NetLock Halozatbiztonsagi Kft.4980.065110.06-3.91
Parallels, Inc.4820.064610.053.09
OVH SAS4560.054430.051.49
Firstserver, Inc4430.054410.05-0.95
Government of Korea4390.054390.05-1.40
Autistici/Inventati4280.054050.054.20
T-Systems International GmbH4230.053550.0417.49
Globe Hosting, Inc.4230.053920.056.40
T-Systems Enterprise Services GmbH3990.054570.05-13.91
OCC3670.043620.04-0.04
SYS-CON Media3650.042910.0323.67
Apache HTTP Server3530.043460.040.59
WTF ALFA3480.043470.04-1.12
TBS INTERNET3390.043360.04-0.52
Sonera3340.043370.04-2.28
FNMT3300.043310.04-1.70
Internet Widgits Pty Ltd3200.043220.04-2.01
ICP-Brasil3130.043110.04-0.77
Entrust.net3120.043280.04-6.21
RBC Hosting Center2800.032730.031.13
Zimbra Collaboration Suite2540.032440.032.64
SonicWALL, Inc.2470.032410.031.05
TAIWAN-CA.COM Inc.2410.032530.03-6.08
TDC2380.032380.03-1.40
WebSpace-Forum, Thomas Wendt2370.032350.03-0.56
XX2320.032330.03-1.82
OptimumSSL CA2210.032120.032.78
CrossTrust2110.021760.0218.21
Getronics PinkRoccade Nederland B.V.2040.022010.020.07
TAIWAN-CA INC.1860.021650.0211.15
Digi-Sign Limited1770.021800.02-3.04
SiteGround LLC.1720.021660.022.16
IPS Certification Authority s.l.1610.021760.02-9.80
InterWorx1570.021590.02-2.64
Positive Software1560.021480.023.93
Ministere education nationale (MENESR)1560.021490.023.23
WoSign, Inc.1540.021750.02-13.23
America Online Inc.1530.021510.02-0.10
My Company Ltd1480.021500.02-2.72
Universitaet Heidelberg1440.021420.02-0.01
HTTPS Management Certificate for SonicWALL (self-signed)1410.021410.02-1.40
SGssl1400.0200.00N/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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