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You are viewing an outdated report. The latest version of this report was published on January 1st, 2021


    
Certificate Authority Market Share Report
December 1st, 2004

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 November 2004
Count
November 2004
%
October 2004
Count
October 2004
%
Growth
%
Verisign71,52735.0271,43236.18-3.20
Thawte36,92418.0835,66118.060.10
Equifax (Geotrust)35,18917.2332,77716.603.79
Comodo Limited15,8197.7515,0807.641.41
SomeOrganization3,0191.482,9881.51-2.32
Entrust.net2,7851.362,6631.351.10
The USERTRUST Network2,4171.182,0851.0612.07
Snake Oil, Ltd2,2841.122,2721.15-2.82
Unknown1,8390.901,6570.847.29
U.S. Government1,3620.671,3580.69-3.04
FreeSSL1,1830.581,0440.539.54
SWsoft, Inc.1,0870.539680.498.56
Starfield Technologies, Inc.9310.467100.3626.76
IPS Certification Authority s.l.6420.316300.32-1.49
TC TrustCenter for Security in Data Networks GmbH5770.285490.281.60
XRamp Security Services Inc5390.264760.249.47
Plesk, Inc.4860.244910.25-4.31
GlobalSign nv-sa4150.203980.200.80
Deutsche Telekom AG2620.132580.13-1.83
Plesk Inc.2240.112360.12-8.24
Ipswitch,Inc.1920.091930.10-3.83
ispgateway1800.091780.09-2.24
Baltimore Technologies Japan Co.,Ltd.1790.091820.09-4.92
Root CA1600.081260.0622.76
Thawte Certification1300.061290.07-2.58
TDC1300.061240.061.35
Kubota Systems Inc.1280.061210.062.27
GTE Corporation1180.061170.06-2.50
IceWarp Software1080.051180.06-11.52
Equifax Secure Inc1070.051120.06-7.64
Apache HTTP Server1070.05950.058.88
Positive Software1020.05900.059.56
DigiCert Inc.1010.05670.0345.73
Digital Signature Trust Co.950.05890.053.19
Akamai910.04850.043.50
NetLock Halozatbiztonsagi Kft.840.04780.044.11
My Company Ltd830.04270.01197.18
Internet Widgits Pty Ltd820.04800.04-0.91
Your Name Webhosting750.04610.0318.86
XYZ Corporation610.03630.03-6.40
United Network Communications Co., Ltd.590.03600.03-4.94
Unizeto Sp. z o.o.570.03580.03-4.99
CsideNet570.03540.032.04
Advanced Extranet Server570.03540.032.04
OCC550.03500.036.34
ICS_TREE550.03510.034.25
Azero520.03470.026.96
TAIWAN-CA.COM Inc.490.02460.022.98
WebMoney Transfer450.02450.02-3.33
KICA440.02410.023.75
Stunnel Developers Ltd420.02380.026.85
SCNC400.02390.02-0.85
RM400.02320.0220.84
University of Florida390.02390.02-3.33
Sun Microsystems Inc390.02390.02-3.33
Japan Certification Services, Inc.390.02360.024.73
Beocity390.0200.00N/A
Webmin Software380.02420.02-12.53
Sun Cobalt370.02380.02-5.87
Stalker Software, Inc.370.02340.025.20
MULTICERT-CA370.02380.02-5.87
CNRS360.02350.02-0.57
CETI360.02360.02-3.33
ICP-Brasil330.02300.026.34
UniCERT Brasil Certificadora300.01280.013.58
Temp Certificate!300.01300.02-3.33
Massachusetts Institute of Technology300.01290.010.01
Hurricane Electric Internet Services300.01350.02-17.14
FNMT300.01290.010.01
NeoNova B.V.290.01300.02-6.55
CRU290.01260.017.83
pair Networks280.01280.01-3.33
domainsofnote.com280.01280.01-3.33
University of Maryland280.01260.014.11
PVT a.s.280.01280.01-3.33
Carnegie Mellon University280.01290.01-6.66
Audkenni hf.280.01270.010.25
community musician270.01270.01-3.33
NTT Communications Corporation270.01210.0124.29
DFN-CERT Services GmbH270.01210.0124.29
cv. Candi Internet260.01260.01-3.33
Franke & Partner260.01260.01-3.33
SuSE Linux Web Server240.01200.0116.01
Pro Futuro S.A.240.01240.01-3.33
Postecom s.p.a.240.01230.010.88
Cardiff Schools240.01230.010.88
CFC240.01240.01-3.33
Aaex Corp.240.01230.010.88
Technische Universitaet Chemnitz230.01290.01-23.33
Hongkong Post230.01230.01-3.33
Etisalat230.01230.01-3.33
Ensim Corporation230.01240.01-7.36
beTRUSTed220.01230.01-7.53
ROOT220.01200.016.34
Brno University of Technology210.01200.011.51
Advantagecom Networks, Inc.210.01240.01-15.41
Your Organization200.01220.01-12.12
ORACLE DEMO CA200.01210.01-7.93
ISPAdmin200.0100.00N/A
E-Telbank Sp. z o.o.200.0100.00N/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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