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You are viewing an outdated report.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

Certificate Authority Market Share Report
July 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 June 1999
June 1999
May 1999
May 1999
Esat Net1500.281520.28-0.61
BusinessNet Danmark1370.261430.27-3.51
Web Hosting1190.22780.1553.65
Snake Oil, Ltd940.18620.1252.69
CETI s.c.800.151160.22-30.54
BelSign NV750.14800.15-5.58
Netland Internet Services700.13710.13-0.71
SGH Internet Division690.13740.14-6.09
Franke & Partner650.12660.12-0.81
Onyx Internet620.12650.12-3.94
TAT GmbH610.11610.110.71
DeZines Web Hosting540.10590.11-7.82
Marketing Factory Consulting GmbH420.08420.080.71
PAZ - Editora Multimedia, Lda400.0800.00N/A
Indra's Net, Inc.400.08420.08-4.08
Vest Internett A/S390.07410.08-4.20
Inter Clear Service Ltd390.07390.070.71
Alleanza I.T.B.380.07380.070.71
Pointe Communications Corporation320.0600.00N/A
MBnet Networking Inc.310.06420.08-25.66
Covalent Technologies, Inc.310.06320.06-2.43
ANET St. Louis310.06330.06-5.39
For Demo Purposes Only290.05290.050.71
Cybergate Webhosting290.05290.050.71
Communique, Inc.290.05290.050.71
Webkeepers Limited270.0500.00N/A
ChilNet S.A.270.05270.050.71
Western Mail & Echo Ltd260.05260.050.71
Aktiv!NETZ Internet Presentations GmbH250.05260.05-3.16
Wantree Internet240.05250.05-3.32
Resource Marketing, Inc.240.05240.040.71
Kommunikationsysteme ShE GmbH240.05240.040.71
Internet Marketing Services, LLC240.05250.05-3.32
TC TrustCenter for Security in Data Networks GmbH230.04240.04-3.48
HAL interactive d.o.o.220.04220.040.71
IndyWeb Inc.210.04200.045.75
Superb Internet Corp.200.04270.05-25.40
the Internet Outlet190.04220.04-13.02
Powersurge Technologies, Inc.190.0400.00N/A
My Company Ltd180.03110.0264.80
Digital Visions170.03170.030.71
dgSoft Internet Sevices160.03160.030.71
UUNET Internet Africa160.03160.030.71
Rifin d.o.o.160.03160.030.71
Netlink, Inc.160.03170.03-5.21
MFM Communication Software, Inc.160.03160.030.71
Eunet Ireland160.03160.030.71
Walrus Internet150.03150.030.71
The Realm Of White Magic150.0300.00N/A
Massachusetts Institute of Technology150.03140.037.91
InterX Technologies150.03150.030.71
WorldSpice Technologies, Inc.140.03140.030.71
University of Economics and BA140.03140.030.71
Thawte Consulting140.03190.04-25.79
Internet Solutions140.03150.03-6.00
CompuSource (Pty) Ltd140.03190.04-25.79
Marketwizz Internet Solutions130.02130.020.71
IPS Seguridad CA130.02150.03-12.72
IP Ltd130.0200.00N/A
Human Interaction snc130.02130.020.71
Clever Computers Inc130.02120.029.11
CLS Internet Services GmbH130.02150.03-12.72
GTE Corporation120.0200.00N/A
Fishnet NewMedia120.02130.02-7.03
CertiSign Certificadora Digital Ltda120.02120.020.71
A+S Systemtechnik120.02120.020.71
Tartu University110.0200.00N/A
Canadian Consulting & Online Services Inc.110.02110.020.71
Baeurer Informationstechnik110.02110.020.71
Web Anchor, Inc100.02100.020.71
Tver State University100.02100.020.71
The Open Group100.0200.00N/A
OPTIMUS-Pro Sp. z o.o.100.0200.00N/A
Digital Systems100.0200.00N/A
Administrative Office of the U.S. Courts100.02100.020.71
AS Matti Byrootehnika100.02100.020.71
Virtual Computer Ltd90.0290.020.71
Uni Regensburg90.02110.02-17.60
Systemberatung Axel Dunkel GmbH90.0290.020.71
QuikNet Inc.90.02100.02-9.36
QuakeNet Technologies90.02100.02-9.36
QDnet ISP90.0290.020.71

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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