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You are viewing an outdated report.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
September 1st, 2001

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 August 2001
Count
August 2001
%
July 2001
Count
July 2001
%
Growth
%
Verisign30,11448.3129,62948.83-1.06
Thawte20,80533.3720,13933.190.56
Equifax Secure Inc3,5355.673,4905.75-1.40
Snake Oil, Ltd1,2792.051,2572.07-0.95
SomeOrganization7441.195130.8541.17
Unknown5520.895250.872.35
Entrust.net2970.482720.456.29
U.S. Government1960.311810.305.41
Internet Widgits Pty Ltd1270.201270.21-2.66
Esat Net940.15910.150.55
TC TrustCenter for Security in Data Networks GmbH750.12710.122.83
*.ceti.pl720.12720.12-2.66
Ring Datacom690.11690.11-2.66
ProAxis Communications, a us.Net company590.09600.10-4.28
Franke & Partner580.09580.10-2.66
Thawte Certification540.09550.09-4.43
Plesk Inc.540.09470.0811.84
Kubota Systems Inc.480.08460.081.57
Netland Internet Services460.07490.08-8.62
Corpex Ltd460.07480.08-6.71
zNET Internet Services440.07410.074.46
BSG440.07410.074.46
Media3 Technologies L.L.C.370.06380.06-5.22
Web Hosting360.06370.06-5.29
GlobalSign nv-sa330.05310.053.62
Onyx Internet310.05310.05-2.66
Zet.no290.0500.00N/A
Deutsche Telekom AG290.05230.0422.74
DeZines Web Hosting280.04280.05-2.66
Advanced Extranet Server280.04230.0418.50
University of Florida270.04260.041.09
GTE Corporation270.04250.045.13
Indra's Net, Inc.250.04250.04-2.66
helpdesk.powercom.net230.04230.04-2.66
Linux Test Server220.04220.04-2.66
SCNC210.03200.032.21
Radio Data Group Inc200.03200.03-2.66
HAL interactive, d.o.o.200.03200.03-2.66
DeZines Web Hosting Corporation200.03200.03-2.66
TAT GmbH180.03280.05-37.42
UUNET UK170.03170.03-2.66
Makolab s.c.170.0300.00N/A
Ipswitch,Inc.150.02150.02-2.66
Estore Corp150.02150.02-2.66
comDesign140.02130.024.83
Webmaster140.02150.02-9.15
Swisskey AG140.02130.024.83
Superb Internet Corp.130.02130.02-2.66
IndyWeb Inc.130.02130.02-2.66
Deep Industry130.0280.0158.18
University of Helsinki120.02110.026.19
Kommunikationssysteme ShE GmbH120.02120.02-2.66
Barak ITC120.02120.02-2.66
Web Site Fortress110.02100.027.08
Vital Online CA110.0200.00N/A
Oy Multi.fi Finland Ab Ltd.110.02110.02-2.66
Idonex AB110.02100.027.08
Cybermarket110.02110.02-2.66
CyberTrust Japan, Inc.110.02110.02-2.66
ANET St. Louis110.02120.02-10.77
WebNexus Communications100.02100.02-2.66
University of Maryland100.02110.02-11.51
Technische Universitaet Chemnitz100.02100.02-2.66
A&S Systemtechnik100.0290.018.16
ProSalg as90.0190.01-2.66
Algarvenet90.0190.01-2.66
the Internet Outlet80.0180.01-2.66
fun communications80.0100.00N/A
Wantree Internet80.0180.01-2.66
University of Wisconsin - Stevens Point (UWSP)80.0170.0111.25
UNI-REGENSBURG80.0180.01-2.66
Tampere University of Technology80.0180.01-2.66
NIH80.0180.01-2.66
Massachusetts Institute of Technology80.01150.02-48.08
Versaggi Information Systems Inc70.0100.00N/A
NeoNova B.V.70.0100.00N/A
Logical Net Corp70.0170.01-2.66
IPrimus USA70.0170.01-2.66
IPS Seguridad CA70.0160.0113.57
Ensim Corporation70.0100.00N/A
CyberGate70.0170.01-2.66
Carnegie Mellon University70.0170.01-2.66
trash.net60.0160.01-2.66
i-Planet60.0160.01-2.66
domainfactory GmbH60.0160.01-2.66
debis Systemhaus Oesterreich GmbH60.0150.0116.81
Web Anchor, Inc.60.0160.01-2.66
USMC60.0170.01-16.56
UNISG60.0100.00N/A
Store-O-Matic,Inc.60.0160.01-2.66
Q Web Services60.0160.01-2.66
Netalia Internet Ltd60.0160.01-2.66
Media3 Inc60.0180.01-26.99
KPNQwest Czechia s.r.o60.0160.01-2.66
IMS60.0160.01-2.66
BelSign NV60.0160.01-2.66
AT&T60.0100.00N/A
ANET Internet Solutions60.0160.01-2.66
phpwebhosting.com50.0150.01-2.66
bright.net North50.0150.01-2.66

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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