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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
July 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 June 2011
Count
June 2011
%
May 2011
Count
May 2011
%
Growth
%
GoDaddy.com, Inc.145,37717.18141,37116.901.62
Equifax (Geotrust)115,77613.68123,48614.77-7.35
Verisign88,58810.4788,99310.64-1.63
GeoTrust, Inc.48,5365.7441,3394.9416.02
Comodo Limited46,3575.4848,1545.76-4.87
Thawte, Inc.37,5234.4334,4694.127.57
DigiCert31,7973.7630,8893.691.72
Thawte29,3953.4732,8833.93-11.67
GeoTrust Inc.27,3403.2324,4682.9310.41
COMODO CA Limited24,0422.8422,5292.695.45
Unknown21,2012.5120,9472.500.01
Comodo CA Limited20,2692.4019,8462.370.92
Network Solutions L.L.C.18,8192.2218,6202.23-0.13
GlobalSign nv-sa16,5681.9616,2941.950.48
Starfield Technologies, Inc.15,6461.8515,3601.840.66
GlobalSign15,6341.8515,3141.830.88
Entrust, Inc.10,8761.2910,7681.29-0.19
TERENA7,1830.856,9530.832.08
SecureTrust Corporation6,9140.826,8110.810.31
Alpha5,9130.705,9100.71-1.13
StartCom Ltd.5,1150.604,8280.584.69
SomeOrganization4,7000.564,6500.56-0.12
Parallels3,9070.463,8180.461.12
Akamai Technologies Inc3,6020.433,5380.420.60
Cybertrust Japan Co., Ltd.2,9060.342,6740.327.39
SECOM Trust Systems CO.,LTD.2,6170.312,5990.31-0.50
SWsoft, Inc.2,2780.272,3280.28-3.31
GeoTrust Inc1,9860.231,8460.226.31
thawte, Inc.1,9250.231,9050.23-0.15
Root CA1,8750.221,8990.23-2.43
Sun Microsystems Inc1,8410.221,8440.22-1.35
CAcert Inc.1,8230.221,8000.220.08
Servision Inc.1,7080.201,6930.20-0.31
Unizeto Technologies S.A.1,6450.191,6300.19-0.28
Internet21,3580.161,0110.1232.73
U.S. Government1,3270.161,3250.16-1.04
TC TrustCenter GmbH1,2550.151,2490.15-0.71
Google Inc1,2290.151,1730.143.53
SECOM Trust.net1,1850.141,2140.15-3.55
Cybertrust1,1630.141,2760.15-9.94
Snake Oil, Ltd1,0380.121,0630.13-3.51
Register.com1,0290.121,0090.120.77
Cybertrust Inc9930.129840.12-0.28
Betrusted Japan Co., Ltd.9740.121,1670.14-17.53
ips Certification Authority9730.119990.12-3.76
ispgateway9650.119510.110.27
QuoVadis Limited9270.118860.113.39
GTE Corporation9110.119020.11-0.20
UIC8980.118920.11-0.52
Trusted Secure Certificate Authority8900.118530.103.10
Secure Business Services, Inc.8370.109060.11-8.71
GANDI SAS7330.096930.084.52
none7320.097140.091.31
AusCERT5620.075450.071.90
National Institute of Informatics5290.065090.062.70
NetLock Halozatbiztonsagi Kft.5110.065130.06-1.57
EUNETIC GmbH5000.064810.062.72
Parallels, Inc.4610.054360.054.48
T-Systems Enterprise Services GmbH4570.055270.06-14.31
OVH SAS4430.054100.056.77
Firstserver, Inc4410.054370.05-0.28
Government of Korea4390.054290.051.12
Autistici/Inventati4050.053820.054.76
Globe Hosting, Inc.3920.053460.0411.95
OCC3620.043610.04-0.91
T-Systems International GmbH3550.042820.0324.40
WTF ALFA3470.043440.04-0.32
Apache HTTP Server3460.043410.040.26
Sonera3370.043330.040.00
TBS INTERNET3360.043410.04-2.63
FNMT3310.043280.04-0.28
Entrust.net3280.043630.04-10.71
Internet Widgits Pty Ltd3220.043260.04-2.40
ICP-Brasil3110.043140.04-2.13
SYS-CON Media2910.032730.035.33
AlphaSSL2800.0300.00N/A
Volusion, Inc.2770.0300.00N/A
RBC Hosting Center2730.032620.032.96
TAIWAN-CA.COM Inc.2530.032650.03-5.66
Zimbra Collaboration Suite2440.032530.03-4.70
SonicWALL, Inc.2410.032400.03-0.77
TDC2380.032410.03-2.41
WebSpace-Forum, Thomas Wendt2350.032360.03-1.60
XX2330.032240.032.79
OptimumSSL CA2120.032030.023.20
Getronics PinkRoccade Nederland B.V.2010.021980.020.31
Digi-Sign Limited1800.021840.02-3.33
IPS Certification Authority s.l.1760.021810.02-3.91
CrossTrust1760.021390.0225.12
WoSign, Inc.1750.021660.024.17
SiteGround LLC.1660.021730.02-5.18
TAIWAN-CA INC.1650.021520.027.27
InterWorx1590.021680.02-6.48
America Online Inc.1510.021540.02-3.11
My Company Ltd1500.021600.02-7.36
Ministere education nationale (MENESR)1490.021490.02-1.18
Positive Software1480.021430.022.27
Universitaet Heidelberg1420.021410.02-0.48
HTTPS Management Certificate for SonicWALL (self-signed)1410.021380.020.96
New Dream Network, LLC.1390.021390.02-1.18

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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