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You are viewing an outdated report. The latest version of this report was published on October 1st, 2020

Certificate Authority Market Share Report
November 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 October 1999
October 1999
September 1999
September 1999
Cybergate Webhosting6020.994080.6551.24
Snake Oil, Ltd1960.322810.45-28.50
Esat Net1400.231440.23-0.34
BusinessNet Danmark1190.201220.20-0.02
CETI s.c.1110.181120.181.59
Corpex Ltd940.15940.152.50
BroadBand Communications, Inc.910.15920.151.39
Web Hosting780.131250.20-36.04
Netland Internet Services700.11690.113.99
PAZ - Editora Multimedia, Lda680.11710.11-1.83
Media3 Technologies L.L.C.660.11580.0916.64
Franke & Partner640.11650.100.93
BelSign NV630.10640.100.90
Thawte Certification620.10290.05119.14
SGH Internet Division580.10580.092.50
TAT GmbH550.09570.09-1.09
Roka GmbH550.09570.09-1.09
Onyx Internet530.09540.090.60
Broadband Communications Inc.400.07400.062.50
Marketing Factory Consulting GmbH390.06390.062.50
MBnet Networking Inc.380.06390.06-0.13
Vest Internett370.06370.062.50
Alleanza I.T.B.360.06360.062.50
Indra's Net, Inc.340.06350.06-0.43
Sparknet S.A.310.05340.05-6.54
Spekter Bergen AS300.05310.05-0.80
For Demo Purposes Only290.05280.046.16
Equifax Secure Inc270.04120.02130.63
ANET St. Louis270.04280.04-1.16
Webkeepers Limited260.04260.042.50
University of Florida260.04250.046.60
Inter Clear Service Ltd260.04260.042.50
Domains World Wide260.04260.042.50
Covalent Technologies, Inc.260.04230.0415.87
DeZines Web Hosting Corporation250.0400.00N/A
CyberGate Hosting250.0400.00N/A
Communique, Inc.250.04250.042.50
ChilNet S.A.250.04250.042.50
NothinButNet LLC.240.04240.042.50
Kommunikationssysteme ShE GmbH240.04240.042.50
WebNexus Communications230.04230.042.50
Wantree Internet220.04220.042.50
Makolab s.c.220.0400.00N/A
HAL interactive d.o.o.220.04220.042.50
BizNet Communications, Inc.220.04240.04-6.04
Superb Internet Corp.200.03200.032.50
Internet Marketing Services, LLC200.03190.037.90
DeZines Web Hosting200.03430.07-52.32
Aktiv!NETZ Internet Presentations GmbH200.03200.032.50
IndyWeb Inc.190.03190.032.50
CyberGate, Inc.190.03220.04-11.47
Sistema S.A180.0300.00N/A
Resource Marketing, Inc.180.03190.03-2.89
Powersurge Technologies, Inc.180.03180.032.50
ProSalg as170.03180.03-3.19
Massachusetts Institute of Technology170.03180.03-3.19
Digital Visions170.03170.032.50
Netlink, Inc.160.03160.032.50
Eunet Ireland160.03160.032.50
Rifin d.o.o.150.02150.022.50
University of Economics and BA140.02130.0210.39
TC TrustCenter for Security in Data Networks GmbH140.02130.0210.39
dgSoft Internet Sevices130.02130.022.50
WorldSpice Technologies, Inc.130.02130.022.50
U.S. Government130.02130.022.50
Marketwizz Internet Solutions130.02130.022.50
MFM Communication Software, Inc.130.02150.02-11.16
Internet Solutions130.02130.022.50
Walrus Internet120.02130.02-5.38
Netnation Communications Inc (Nasdaq120.0200.00N/A
Fishnet NewMedia120.02120.022.50
CompuSource (Pty) Ltd120.02100.0223.00
A+S Systemtechnik120.02120.022.50
Thawte Consulting110.02110.022.50
CLS Internet Services GmbH110.02120.02-6.04
Tver State University100.02100.022.50
Tartu University100.0200.00N/A
Schell Computersysteme100.02100.022.50
QDnet ISP100.0200.00N/A
Digital Systems100.02100.022.50
Deutsche Telekom AG100.02130.02-21.15
Baeurer Informationstechnik100.0200.00N/A
Virtual Computer Ltd90.0100.00N/A
Netalia Internet Ltd90.0100.00N/A
My Company Ltd90.0100.00N/A
IPS Seguridad CA90.01100.02-7.75

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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