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You are viewing an outdated report. The latest version of this report was published on December 1st, 2022


    
Certificate Authority Market Share Report
February 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 January 2011
Count
January 2011
%
December 2010
Count
December 2010
%
Growth
%
Equifax (Geotrust)154,06120.10157,89421.09-4.65
GoDaddy.com, Inc.122,52415.99118,54515.831.00
Verisign87,42811.4186,81611.59-1.59
Comodo Limited48,8446.3748,2326.44-1.04
Thawte46,4156.0648,3276.45-6.15
DigiCert25,1663.2823,9183.192.82
Thawte, Inc.19,6602.5716,9032.2613.66
Unknown18,9132.4718,5232.47-0.22
COMODO CA Limited17,4542.2816,7122.232.06
Network Solutions L.L.C.16,9932.2216,5692.210.22
Comodo CA Limited16,5612.1615,7932.112.47
GlobalSign nv-sa14,3391.8713,8591.851.10
GlobalSign13,6651.7813,3481.780.04
Starfield Technologies, Inc.13,6291.7813,1091.751.60
GeoTrust Inc.12,9401.6910,7561.4417.56
GeoTrust, Inc.10,5961.385,3880.7292.17
Entrust, Inc.9,6921.269,3111.241.72
SecureTrust Corporation6,3740.836,2580.84-0.47
TERENA5,7630.755,5160.742.09
SomeOrganization4,5520.594,3400.582.49
Alpha4,2740.564,0770.542.44
Parallels3,3410.443,2370.430.86
StartCom Ltd.3,1180.412,8470.387.02
Akamai Technologies Inc2,7520.362,6120.352.96
SWsoft, Inc.2,4940.332,5230.34-3.40
SECOM Trust Systems CO.,LTD.2,3770.312,3340.31-0.48
Root CA1,8870.251,8540.25-0.54
Betrusted Japan Co., Ltd.1,8690.241,9510.26-6.39
Cybertrust Japan Co., Ltd.1,8280.241,7070.234.65
thawte, Inc.1,6570.221,5950.211.52
Servision Inc.1,5640.201,5220.200.42
Cybertrust1,5390.201,5660.21-3.97
CAcert Inc.1,5360.201,5020.20-0.07
Unizeto Technologies S.A.1,3890.181,3440.180.99
U.S. Government1,3180.171,2640.171.89
SECOM Trust.net1,3060.171,3030.17-2.06
GeoTrust Inc1,2850.171,2030.164.38
TC TrustCenter GmbH1,2180.161,1870.160.27
Secure Business Services, Inc.1,1590.151,1890.16-4.75
Snake Oil, Ltd1,1500.151,1660.16-3.62
ips Certification Authority9650.139810.13-3.87
Google Inc9140.128810.121.38
Register.com8980.128550.112.63
QuoVadis Limited8700.118390.111.33
ispgateway8690.118550.11-0.68
Cybertrust Inc8320.118070.110.75
GTE Corporation8270.118020.110.76
UIC8260.118030.110.52
T-Systems Enterprise Services GmbH7680.107800.10-3.78
Trusted Secure Certificate Authority7670.107550.10-0.73
none6340.086000.083.26
GANDI SAS5310.075210.07-0.41
Entrust.net5060.077190.10-31.23
NetLock Halozatbiztonsagi Kft.4990.074920.07-0.89
AusCERT4440.063600.0520.52
National Institute of Informatics4430.064350.06-0.48
Firstserver, Inc4170.054140.06-1.57
EUNETIC GmbH4070.054030.05-1.31
Parallels, Inc.3630.053280.048.15
OCC3480.053690.05-7.84
TBS INTERNET3460.053360.040.63
Sonera3370.043340.04-1.40
suresupport.com3240.043240.04-2.28
Apache HTTP Server3220.042980.045.59
WTF ALFA3200.043140.04-0.41
OVH SAS3130.042870.046.57
FNMT3110.043060.04-0.68
TAIWAN-CA.COM Inc.3090.043340.04-9.60
Internet Widgits Pty Ltd3040.043020.04-1.63
Government of Korea3020.042800.045.40
ICP-Brasil2840.042780.04-0.17
TDC2510.032520.03-2.67
Autistici/Inventati2440.031950.0322.27
WebSpace-Forum, Thomas Wendt2330.032300.03-1.01
SonicWALL, Inc.2220.032150.030.90
IPS Certification Authority s.l.2140.032260.03-7.47
Sun Microsystems Inc2130.032110.03-1.35
RBC Hosting Center2130.031860.0211.90
Zimbra Collaboration Suite2100.032060.03-0.38
Globe Hosting, Inc.2000.031580.0223.69
Digi-Sign Limited1970.031940.03-0.77
America Online Inc.1920.031880.03-0.20
Getronics PinkRoccade Nederland B.V.1870.021780.022.66
XX1780.021620.027.37
OptimumSSL CA1750.021720.02-0.58
SiteGround LLC.1710.021750.02-4.51
GLOBE HOSTING CERTIFICATION AUTHORITY1700.021740.02-4.53
InterWorx1580.021420.028.73
WoSign, Inc.1570.021500.022.28
My Company Ltd1560.021560.02-2.28
Positive Software1460.021470.02-2.95
SYS-CON Media1450.0200.00N/A
TNC1390.021390.02-2.28
XRamp Security Services Inc1340.021290.021.51
New Dream Network, LLC.1340.021280.022.30
AddTrust AB1330.021340.02-3.01
CNRS1290.021300.02-3.03
Ministere education nationale (MENESR)1270.021270.02-2.28
HTTPS Management Certificate for SonicWALL (self-signed)1260.021220.020.92
Dell Inc.1260.0200.00N/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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