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Certificate Authority Market Share Report
December 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 only uses the issuer Organization Name to uniquely identify the issuing CA.

CA November 2000
November 2000
October 2000
October 2000
Snake Oil, Ltd9371.638551.489.90
Equifax Secure Inc8361.457481.3012.08
Esat Net1160.201090.196.72
U.S. Government830.14830.140.28
CETI s.c.780.14790.14-0.99
Corpex Ltd710.12730.13-2.47
Franke & Partner610.11600.101.95
Thawte Certification570.10620.11-7.81
zNET Internet Services530.09540.09-1.58
Netland Internet Services500.09510.09-1.68
Media3 Technologies L.L.C.470.08480.08-1.81
Web Hosting410.07410.070.28
Internet Widgits Pty Ltd410.07330.0624.59
Onyx Internet380.07400.07-4.73
TC TrustCenter for Security in Data Networks GmbH360.06390.07-7.43
TAT GmbH350.06410.07-14.39
BroadBand Communications, Inc.350.06350.060.28
DeZines Web Hosting330.06340.06-2.67
Vest Internett310.05330.06-5.80
Kubota Systems Inc.270.05240.0412.82
Indra's Net, Inc.270.05270.050.28
University of Florida260.05260.050.28
Linux Test Server240.04350.06-31.24
Alleanza I.T.B.240.04240.040.28
DeZines Web Hosting Corporation220.04220.040.28
Massachusetts Institute of Technology200.03200.030.28
HAL interactive, d.o.o.200.03200.030.28
ANET St. Louis200.03200.030.28
Webkeepers Limited190.03190.030.28
Test Organisation190.03180.035.85
Superb Internet Corp.190.03190.030.28
MBnet Networking Inc.190.03210.04-9.27
For Demo Purposes Only190.03200.03-4.73
UUNET UK180.03170.036.18
Inter Clear Service Ltd180.03180.030.28
Covalent Technologies, Inc.180.03180.030.28
Aktiv!NETZ Internet Presentations GmbH170.03170.030.28
Kommunikationssysteme ShE GmbH160.03160.030.28
IndyWeb Inc.160.03160.030.28
Deutsche Telekom AG160.03130.0223.42
Spekter Bergen AS140.02150.03-6.40
Digital Visions140.02140.020.28
CyberGate Inc.140.02150.03-6.40
ITBS OnLine130.02130.020.28
Wantree Internet120.02130.02-7.43
ProSalg as120.02120.020.28
Powersurge Technologies, Inc.120.02120.020.28
Marketwizz Internet Solutions120.02130.02-7.43
University of Economics and BA110.02100.0210.31
Oy Finland Ab Ltd.110.0200.00N/A
InterX Technologies110.02110.020.28
Estore Corp110.02100.0210.31
dgSoft Internet Sevices100.02100.020.28
WebNexus Communications100.02100.020.28
Radio Data Group Inc100.02100.020.28
National Institutes of Health100.02100.020.28
My Company Ltd100.0290.0211.42
the Internet Outlet90.02190.03-52.50
University of Oulu90.0290.020.28
University of Maryland90.0290.020.28
Swisskey AG90.02100.02-9.75
Netalia Internet Ltd90.0280.0112.82 srl90.0290.020.28
Internet Solutions90.0290.020.28
Inficad Computing and Design90.0280.0112.82
GlobalSign nv-sa90.02130.02-30.57
University of Helsinki80.0180.010.28
Technische Universitaet Chemnitz80.0180.010.28
MFM Communication Software, Inc.80.0180.010.28
IPS Seguridad CA80.0190.02-10.86
GTM Internet, Inc.80.0180.010.28
CyberGate, Inc.80.0190.02-10.86
A&S Systemtechnik80.0190.02-10.86
University of Wisconsin - Stevens Point (UWSP)70.0170.010.28
Netlink, Inc.70.0170.010.28
Netland Oy70.0170.010.28
Media3 Inc70.0100.00N/A
FUN Kommunikationssysteme GmbH70.0100.00N/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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