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You are viewing an outdated report. The latest version of this report was published on December 1st, 2022

Certificate Authority Market Share Report
June 1st, 1999

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 May 1999
May 1999
April 1999
April 1999
Esat Net1520.281540.29-0.66
BusinessNet Danmark1430.271400.262.80
CETI s.c.1160.221190.22-1.89
BelSign NV800.15780.143.23
Web Hosting780.15810.15-3.08
SGH Internet Division740.14850.16-12.38
Netland Internet Services710.13720.13-0.75
Franke & Partner660.12670.12-0.86
Onyx Internet650.12660.12-0.88
Snake Oil, Ltd620.12510.0922.35
TAT GmbH610.11610.110.64
DeZines Web Hosting590.11610.11-2.66
Marketing Factory Consulting GmbH420.08430.08-1.70
MBnet Networking Inc.420.08420.080.64
Indra's Net, Inc.420.08440.08-3.93
Vest Internett A/S410.08410.080.64
Inter Clear Service Ltd390.07390.070.64
Alleanza I.T.B.380.07380.070.64
ANET St. Louis330.06330.060.64
Covalent Technologies, Inc.320.06320.060.64
For Demo Purposes Only290.05280.054.24
Cybergate Webhosting290.05220.0432.67
Communique, Inc.290.05560.10-47.88
Superb Internet Corp.270.05260.054.52
ChilNet S.A.270.05270.050.64
Western Mail & Echo Ltd260.0500.00N/A
Aktiv!NETZ Internet Presentations GmbH260.05260.050.64
Wantree Internet250.05250.050.64
Internet Marketing Services, LLC250.05250.050.64
TC TrustCenter for Security in Data Networks GmbH240.04310.06-22.08
Resource Marketing, Inc.240.04240.040.64
Kommunikationsysteme ShE GmbH240.04260.05-7.10
the Internet Outlet220.04230.04-3.73
HAL interactive d.o.o.220.04220.040.64
Thawte Certification200.04160.0325.81
Sistema S.A200.04210.04-4.15
IndyWeb Inc.200.04220.04-8.50
Thawte Consulting190.04260.05-26.45
CompuSource (Pty) Ltd190.04200.04-4.39
Netlink, Inc.170.03180.03-4.95
Digital Visions170.03170.030.64
dgSoft Internet Sevices160.03160.030.64
UUNET Internet Africa160.03160.030.64
Rifin d.o.o.160.03160.030.64
MFM Communication Software, Inc.160.03170.03-5.28
Eunet Ireland160.03160.030.64
Walrus Internet150.03180.03-16.13
Internet Solutions150.0300.00N/A
InterX Technologies150.03150.030.64
IPS Seguridad CA150.03160.03-5.65
CLS Internet Services GmbH150.03160.03-5.65
WorldSpice Technologies, Inc.140.03140.030.64
University of Economics and BA140.03140.030.64
Massachusetts Institute of Technology140.03130.028.39
Your Organization130.0200.00N/A
Marketwizz Internet Solutions130.02130.020.64
Human Interaction snc130.02130.020.64
Fishnet NewMedia130.02130.020.64
Clever Computers Inc120.02130.02-7.10
CertiSign Certificadora Digital Ltda120.02120.020.64
A+S Systemtechnik120.02120.020.64
Uni Regensburg110.0200.00N/A
My Company Ltd110.02120.02-7.74
Canadian Consulting & Online Services Inc.110.02110.020.64
Baeurer Informationstechnik110.02120.02-7.74
Web Anchor, Inc100.02110.02-8.50
Tver State University100.02100.020.64
QuikNet Inc.100.02100.020.64
QuakeNet Technologies100.02110.02-8.50
ITnet sp. z o.o.100.0290.0211.83
Administrative Office of the U.S. Courts100.02100.020.64
AS Matti Byrootehnika100.02100.020.64
Virtual Computer Ltd90.0200.00N/A
Verio Northeast CA90.0200.00N/A
Teksupport Pty Ltd90.02100.02-9.42
Systemberatung Axel Dunkel GmbH90.0290.020.64
SPS Productions L.L.C.90.0290.020.64
QDnet ISP90.0290.020.64
Kiskapu Kft90.0290.020.64
Deutsche Telekom AG90.0200.00N/A
Xtended Internet80.0100.00N/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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