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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
November 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 October 2004
Count
October 2004
%
September 2004
Count
September 2004
%
Growth
%
Verisign71,43236.1870,52337.07-2.41
Thawte35,66118.0635,04118.42-1.95
Equifax (Geotrust)32,77716.6030,57516.073.29
Comodo Limited15,0807.6414,3137.521.51
SomeOrganization2,9881.512,8331.491.62
Entrust.net2,6631.352,5341.331.25
Snake Oil, Ltd2,2721.152,2611.19-3.18
The USERTRUST Network2,0851.061,7710.9313.43
Unknown1,6570.841,4760.788.16
U.S. Government1,3580.691,1930.639.68
FreeSSL1,0440.539450.506.44
SWsoft, Inc.9680.498340.4411.83
Starfield Technologies, Inc.7100.365180.2732.06
IPS Certification Authority s.l.6300.326130.32-0.98
TC TrustCenter for Security in Data Networks GmbH5490.285170.272.31
Plesk, Inc.4910.255060.27-6.51
XRamp Security Services Inc4760.244110.2211.59
GlobalSign nv-sa3980.203710.203.36
Deutsche Telekom AG2580.132520.13-1.36
Plesk Inc.2360.122400.13-5.26
Ipswitch,Inc.1930.102370.12-21.54
Baltimore Technologies Japan Co.,Ltd.1820.091750.090.20
ispgateway1780.091690.091.48
Thawte Certification1290.071270.07-2.13
Root CA1260.061100.0610.36
TDC1240.06970.0523.17
Kubota Systems Inc.1210.061210.06-3.65
IceWarp Software1180.061000.0513.69
GTE Corporation1170.061020.0510.52
Equifax Secure Inc1120.061110.06-2.78
Apache HTTP Server950.051080.06-15.25
Positive Software900.05770.0412.62
Digital Signature Trust Co.890.05900.05-4.72
Akamai850.04730.0412.19
Internet Widgits Pty Ltd800.04710.048.56
NetLock Halozatbiztonsagi Kft.780.04810.04-7.22
DigiCert Inc.670.03370.0274.47
XYZ Corporation630.03630.03-3.65
Your Name Webhosting610.03530.0310.89
United Network Communications Co., Ltd.600.03600.03-3.65
Unizeto Sp. z o.o.580.03530.035.44
CsideNet540.03540.03-3.65
Advanced Extranet Server540.03450.0215.62
ICS_TREE510.03480.032.37
OCC500.03490.03-1.68
Azero470.02480.03-5.66
TAIWAN-CA.COM Inc.460.02520.03-14.77
WebMoney Transfer450.02450.02-3.65
Webmin Software420.02380.026.49
KICA410.02390.021.29
University of Florida390.02390.02-3.65
Sun Microsystems Inc390.02360.024.38
SCNC390.02390.02-3.65
Sun Cobalt380.02360.021.70
Stunnel Developers Ltd380.02320.0214.42
MULTICERT-CA380.02370.02-1.05
Japan Certification Services, Inc.360.02320.028.39
CETI360.02380.02-8.72
Hurricane Electric Internet Services350.02340.02-0.82
CNRS350.02330.022.19
Stalker Software, Inc.340.02300.029.20
RM320.02320.02-3.65
Temp Certificate!300.02330.02-12.41
NeoNova B.V.300.02300.02-3.65
ICP-Brasil300.02300.02-3.65
Technische Universitaet Chemnitz290.0100.00N/A
Massachusetts Institute of Technology290.01230.0121.48
FNMT290.01250.0111.77
Carnegie Mellon University290.01270.013.49
pair Networks280.01260.013.76
domainsofnote.com280.01260.013.76
UniCERT Brasil Certificadora280.01270.01-0.08
PVT a.s.280.01260.013.76
community musician270.0100.00N/A
My Company Ltd270.01250.014.06
Audkenni hf.270.01260.010.06
cv. Candi Internet260.01260.01-3.65
University of Maryland260.01230.018.92
Franke & Partner260.01260.01-3.65
CRU260.01200.0125.25
University of Helsinki240.01210.0110.11
Pro Futuro S.A.240.01220.015.11
Ensim Corporation240.01240.01-3.65
CFC240.01230.010.54
Advantagecom Networks, Inc.240.01220.015.11
beTRUSTed230.01220.010.73
Postecom s.p.a.230.01230.01-3.65
Hongkong Post230.01220.010.73
Etisalat230.01240.01-7.66
Cardiff Schools230.01220.010.73
Aaex Corp.230.01220.010.73
Your Organization220.01200.015.98
ORACLE DEMO CA210.01190.016.49
NTT Communications Corporation210.0100.00N/A
DFN-CERT Services GmbH210.01210.01-3.65
SuSE Linux Web Server200.0100.00N/A
ROOT200.01220.01-12.41
FAS200.01200.01-3.65
CESNET200.0100.00N/A
Brno University of Technology200.0100.00N/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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