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You are viewing an outdated report.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

Certificate Authority Market Share Report
August 1st, 2000

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 doesn't verify the signatures of the certificates it finds, it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA July 2000
July 2000
June 2000
June 2000
Snake Oil, Ltd6851.185821.0017.72
Equifax Secure Inc5360.923850.6639.25
Esat Net1280.221320.23-3.01
CETI s.c.820.14880.15-6.80
BroadBand Communications, Inc.760.13770.13-1.28
Corpex Ltd750.13760.13-1.30
zNET Internet Services610.10650.11-6.14
Franke & Partner610.10630.11-3.16
Netland Internet Services550.09590.10-6.76
U.S. Government530.09330.0660.64
Media3 Technologies L.L.C.460.08450.082.24
TAT GmbH450.08460.08-2.16
Web Hosting430.07380.0713.18
Onyx Internet400.07430.07-6.96
TC TrustCenter for Security in Data Networks GmbH390.07330.0618.20
DeZines Web Hosting360.06360.060.02
Thawte Certification340.06430.07-20.92
businessserve plc300.0500.00N/A
Indra's Net, Inc.280.05300.05-6.65
University of Florida260.04260.040.02
Alleanza I.T.B.260.04270.05-3.69
Linux Test Server240.04130.0284.65
MBnet Networking Inc.230.04220.044.57
DeZines Web Hosting Corporation230.04230.040.02
the Internet Outlet220.04210.044.78
Internet Widgits Pty Ltd220.04170.0329.44
Webkeepers Limited210.04210.040.02
Superb Internet Corp.200.03210.04-4.74
Spekter Bergen AS200.03210.04-4.74
Massachusetts Institute of Technology200.03180.0311.13
For Demo Purposes Only200.03210.04-4.74
CyberGate Inc.200.03210.04-4.74
ChilNet S.A.200.03200.030.02
BelSign NV200.03240.04-16.65
ANET St. Louis200.03220.04-9.07
UUNET UK190.03180.035.58
Inter Clear Service Ltd190.03220.04-13.62
GlobalSign nv-sa190.03200.03-4.98
Makolab s.c.180.03180.030.02
Kubota Systems Inc.180.03160.0312.52
Aktiv!NETZ Internet Presentations GmbH180.0300.00N/A
Kommunikationssysteme ShE GmbH170.03180.03-5.54
IndyWeb Inc.170.03170.030.02
Covalent Technologies, Inc.170.03190.03-10.51
Wantree Internet160.03170.03-5.86
Test Organisation160.03180.03-11.09
Digital Visions160.03170.03-5.86
WebNexus Communications150.0300.00N/A
Parrett Internet Technologies, Inc.150.0300.00N/A
Powersurge Technologies, Inc.140.02150.03-6.65
Peter Andritsch, WebSolutions130.02130.020.02
ITBS OnLine130.0200.00N/A
Deutsche Telekom AG130.02150.03-13.32
Netlink, Inc.120.02140.02-14.27
Marketwizz Internet Solutions120.02130.02-7.67
University of Economics and BA110.02110.020.02
Quantum Connections, LLC110.0200.00N/A
Dialtone Internet110.02120.02-8.32
CyberGate, Inc.110.02130.02-15.37
dgSoft Internet Sevices100.02100.020.02
Radio Data Group Inc100.0200.00N/A
National Institutes of Health100.02100.020.02
Fishnet NewMedia100.02100.020.02
Webit Marketing Inc90.0290.020.02
University of Oulu90.0280.0112.52
University of Maryland90.0200.00N/A
ProSalg as90.02110.02-18.17
My Company Ltd90.02160.03-43.74
Internet Solutions90.0290.020.02
CyberGate Hosting90.02130.02-30.76
A&S Systemtechnik90.02100.02-9.98
Xtended Internet80.0180.010.02
WorldSpice Technologies, Inc.80.0180.010.02
Technische Universitaet Chemnitz80.0100.00N/A
Swisskey AG80.01100.02-19.98
Netalia Internet Ltd80.0180.010.02
MFM Communication Software, Inc.80.0190.02-11.09
KPNQwest Czechia s.r.o80.0180.010.02
HAL interactive, d.o.o.80.0180.010.02
GTM Internet, Inc.80.0100.00N/A
CompuSource (Pty) Ltd80.0180.010.02

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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