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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
January 1st, 2012

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 2011
Count
December 2011
%
November 2011
Count
November 2011
%
Growth
%
GoDaddy.com, Inc.188,38320.12181,54419.771.77
GeoTrust, Inc.99,95910.6889,9849.808.95
Verisign90,0939.6290,4359.85-2.30
Equifax (Geotrust)60,0296.4166,4167.23-11.36
Thawte, Inc.49,2875.2647,3355.152.12
DigiCert38,2654.0936,8454.011.85
COMODO CA Limited37,8744.0534,6233.777.28
GeoTrust Inc.36,5003.9035,4863.860.88
Comodo Limited35,2353.7638,5384.20-10.33
Comodo CA Limited25,5822.7324,4962.672.42
Unknown23,7382.5423,4172.55-0.58
GlobalSign nv-sa21,6622.3120,5472.243.40
Network Solutions L.L.C.20,1612.1519,8392.16-0.33
Thawte18,1001.9320,1672.20-11.98
Starfield Technologies, Inc.17,5691.8817,1931.870.22
GlobalSign15,2101.6215,5831.70-4.27
Entrust, Inc.12,4251.3312,0701.310.96
TERENA8,7340.938,4180.921.76
SecureTrust Corporation7,3970.797,3320.80-1.06
StartCom Ltd.6,9390.746,6320.722.61
SomeOrganization4,6550.504,6280.50-1.35
Parallels4,5780.494,4560.490.76
Alpha4,1870.454,6410.51-11.52
Akamai Technologies Inc4,1560.444,0540.440.54
Internet24,0290.433,3820.3716.84
Cybertrust Japan Co., Ltd.3,3920.363,3290.36-0.07
AlphaSSL3,2870.352,4310.2632.61
SECOM Trust Systems CO.,LTD.2,7400.292,7360.30-1.78
GeoTrust Inc2,6910.292,5710.282.65
CAcert Inc.2,2140.242,1680.240.15
Volusion, Inc.2,2060.241,7010.1927.19
thawte, Inc.2,1970.232,1480.230.31
SWsoft, Inc.1,9400.212,0350.22-6.50
Unizeto Technologies S.A.1,8710.201,8520.20-0.92
Root CA1,8710.201,8950.21-3.17
Servision Inc.1,7980.191,7790.19-0.88
Google Inc1,6050.171,5490.171.62
U.S. Government1,3580.151,3710.15-2.86
TC TrustCenter GmbH1,2440.131,2660.14-3.63
GTE Corporation1,2180.131,1580.133.16
Cybertrust Inc1,1350.121,1100.120.28
QuoVadis Limited1,1070.121,0670.121.75
SECOM Trust.net1,0350.111,0970.12-7.47
ispgateway1,0320.111,0060.110.61
Register.com1,0290.111,0490.11-3.80
Snake Oil, Ltd9470.109880.11-6.00
UIC9240.109220.10-1.71
Trusted Secure Certificate Authority9210.108980.100.59
GANDI SAS9190.108730.103.24
none9100.108710.092.47
ips Certification Authority8990.109210.10-4.27
T-Systems International GmbH7950.086760.0715.34
Sun Microsystems Inc7720.087740.08-2.18
Cybertrust7620.088450.09-11.56
AusCERT6700.076510.070.94
EUNETIC GmbH6370.076150.071.58
National Institute of Informatics6180.076110.07-0.80
Government of Korea5940.065500.065.92
Betrusted Japan Co., Ltd.5790.066360.07-10.72
OVH SAS5740.065650.06-0.36
Autistici/Inventati5410.065150.063.03
Globe Hosting, Inc.5320.065100.062.30
NetLock Halozatbiztonsagi Kft.5200.065250.06-2.86
Secure Business Services, Inc.4980.055450.06-10.38
Parallels, Inc.4970.054770.052.19
SYS-CON Media4640.054590.05-0.86
Firstserver, Inc4470.054510.05-2.80
OCC3880.043880.04-1.93
FNMT3730.043620.041.05
WebSpace-Forum, Thomas Wendt3620.043630.04-2.20
CrossTrust3570.043280.046.74
TBS INTERNET3560.043470.040.62
WTF ALFA3550.043550.04-1.93
Internet Widgits Pty Ltd3380.043320.04-0.15
RBC Hosting Center3310.043230.040.50
ICP-Brasil3250.033270.04-2.53
Apache HTTP Server3110.033520.04-13.35
Sonera3100.033220.04-5.58
Zimbra Collaboration Suite3050.032890.033.50
TAIWAN-CA INC.2910.032780.032.66
SonicWALL, Inc.2570.032470.032.04
OptimumSSL CA2530.032530.03-1.93
XX2390.032450.03-4.33
SiteGround LLC.2200.022110.022.26
TDC2180.022300.03-7.04
Entrust.net1960.022080.02-7.58
Digi-Sign Limited1960.021680.0214.42
TAIWAN-CA.COM Inc.1890.022000.02-7.32
SwissSign AG1790.021710.022.66
Ministere education nationale (MENESR)1770.021640.025.85
Getronics PinkRoccade Nederland B.V.1690.021930.02-14.12
Wells Fargo1630.021590.020.54
Getronics Nederland BV1610.0200.00N/A
HTTPS Management Certificate for SonicWALL (self-signed)1580.021620.02-4.35
InterWorx1570.021590.02-3.16
SGssl1550.021550.02-1.93
WoSign, Inc.1510.021590.02-6.86
Positive Software1510.021510.02-1.93
Universitaet Heidelberg1490.021490.02-1.93
KAGOYA JAPAN Inc.1470.0200.00N/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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