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You are viewing an outdated report. The latest version of this report was published on May 1st, 2024


    
Certificate Authority Market Share Report
January 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 December 2010
Count
December 2010
%
November 2010
Count
November 2010
%
Growth
%
Equifax (Geotrust)157,89421.09159,37021.69-2.78
GoDaddy.com, Inc.118,54515.83115,21515.680.97
Verisign86,81611.5986,29711.74-1.28
Thawte48,3276.4551,2296.97-7.43
Comodo Limited48,2326.4447,6916.49-0.76
DigiCert23,9183.1922,9843.132.12
Unknown18,5232.4718,5452.52-1.99
Thawte, Inc.16,9032.2613,8431.8819.82
COMODO CA Limited16,7122.2316,0002.182.50
Network Solutions L.L.C.16,5692.2116,2672.21-0.05
Comodo CA Limited15,7932.1114,8552.024.33
GlobalSign nv-sa13,8591.8513,4131.831.39
GlobalSign13,3481.7812,9741.770.96
Starfield Technologies, Inc.13,1091.7512,6801.731.45
GeoTrust Inc.10,7561.448,1901.1128.88
Entrust, Inc.9,3111.248,7981.203.85
SecureTrust Corporation6,2580.846,1780.84-0.60
TERENA5,5160.745,2680.722.75
GeoTrust, Inc.5,3880.723,5000.4851.07
SomeOrganization4,3400.584,2550.580.09
Alpha4,0770.543,8640.533.54
Parallels3,2370.433,0860.422.93
StartCom Ltd.2,8470.382,6500.365.43
Akamai Technologies Inc2,6120.352,4740.343.60
SWsoft, Inc.2,5230.342,6130.36-5.25
SECOM Trust Systems CO.,LTD.2,3340.312,2840.310.28
Betrusted Japan Co., Ltd.1,9510.262,0950.29-8.61
Root CA1,8540.251,8560.25-1.97
Cybertrust Japan Co., Ltd.1,7070.231,5220.2110.06
thawte, Inc.1,5950.211,5110.213.59
Cybertrust1,5660.211,7800.24-13.67
Servision Inc.1,5220.201,4680.201.74
CAcert Inc.1,5020.201,4580.201.09
Unizeto Technologies S.A.1,3440.181,2770.173.28
SECOM Trust.net1,3030.171,3010.18-1.72
U.S. Government1,2640.171,2770.17-2.87
GeoTrust Inc1,2030.161,1340.154.10
Secure Business Services, Inc.1,1890.161,2410.17-5.98
TC TrustCenter GmbH1,1870.161,1400.162.18
Snake Oil, Ltd1,1660.161,2000.16-4.65
ips Certification Authority9810.139640.13-0.14
Google Inc8810.128400.112.92
ispgateway8550.118470.12-0.94
Register.com8550.118060.114.10
QuoVadis Limited8390.116850.0920.19
Cybertrust Inc8070.117540.105.03
UIC8030.117870.110.13
GTE Corporation8020.117740.111.68
T-Systems Enterprise Services GmbH7800.107610.100.58
Trusted Secure Certificate Authority7550.107320.101.21
Entrust.net7190.101,0300.14-31.50
none6000.085760.082.22
GANDI SAS5210.074560.0612.12
NetLock Halozatbiztonsagi Kft.4920.074850.07-0.45
National Institute of Informatics4350.064200.061.64
Firstserver, Inc4140.064180.06-2.81
EUNETIC GmbH4030.053920.050.88
OCC3690.053660.05-1.06
AusCERT3600.053320.056.41
TBS INTERNET3360.043370.05-2.16
TAIWAN-CA.COM Inc.3340.043450.05-5.00
Sonera3340.043340.05-1.87
Parallels, Inc.3280.043250.04-0.96
suresupport.com3240.043260.04-2.47
WTF ALFA3140.043070.040.37
FNMT3060.042980.040.77
Internet Widgits Pty Ltd3020.043030.04-2.19
Apache HTTP Server2980.042860.042.25
OVH SAS2870.042660.045.88
Government of Korea2800.042500.039.91
ICP-Brasil2780.042680.041.79
TDC2520.032560.03-3.40
WebSpace-Forum, Thomas Wendt2300.032250.030.31
IPS Certification Authority s.l.2260.032390.03-7.21
SonicWALL, Inc.2150.032120.03-0.48
Sun Microsystems Inc2110.031240.0266.98
Zimbra Collaboration Suite2060.031950.033.67
Autistici/Inventati1950.031190.0260.80
Digi-Sign Limited1940.031910.03-0.33
America Online Inc.1880.031350.0236.66
RBC Hosting Center1860.021940.03-5.92
Getronics PinkRoccade Nederland B.V.1780.021740.020.39
SiteGround LLC.1750.021670.022.83
GLOBE HOSTING CERTIFICATION AUTHORITY1740.021890.03-9.66
OptimumSSL CA1720.021610.024.84
XX1620.021500.025.98
Globe Hosting, Inc.1580.0200.00N/A
My Company Ltd1560.021540.02-0.59
WoSign, Inc.1500.021450.021.51
Positive Software1470.021510.02-4.47
InterWorx1420.021360.022.46
TNC1390.021390.02-1.87
AddTrust AB1340.021340.02-1.87
CNRS1300.021370.02-6.88
XRamp Security Services Inc1290.021310.02-3.37
New Dream Network, LLC.1280.021250.020.49
Ministere education nationale (MENESR)1270.021260.02-1.09
HTTPS Management Certificate for SonicWALL (self-signed)1220.021170.022.32
Wells Fargo1210.021180.020.63
MULTICERT-CA1170.021150.02-0.16

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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