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You are viewing an outdated report. The latest version of this report was published on March 1st, 2023

Certificate Authority Market Share Report
April 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 doesn't verify the signatures of the certificates it finds, it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA March 2000
March 2000
February 2000
February 2000
Snake Oil, Ltd4630.864290.7613.29
Esat Net1380.261410.252.73
BusinessNet Danmark980.18990.173.91
CETI s.c.970.18970.174.97
Equifax Secure Inc900.17560.1068.70
Corpex Ltd860.16880.162.58
BroadBand Communications, Inc.840.16860.152.53
Franke & Partner640.12640.114.97
Media3 Technologies L.L.C.610.11620.113.27
Netland Internet Services590.11590.104.97
PAZ - Editora Multimedia, Lda570.11590.101.41
Onyx Internet510.09380.0740.88
TAT GmbH490.09160.03221.46
Web Hosting410.08430.080.09
DeZines Web Hosting380.07390.072.28
Vest Internett360.07360.064.97
Broadband Communications Inc.360.07360.064.97
BelSign NV350.06360.062.05
Indra's Net, Inc.330.06320.068.25
Deutsche Telekom AG330.06270.0528.29
Alleanza I.T.B.320.06320.064.97
Thawte Certification310.06280.0516.21
TC TrustCenter for Security in Data Networks GmbH310.06260.0525.15
DeZines Web Hosting Corporation300.06310.051.58
CyberGate Hosting290.05310.05-1.80
Marketing Factory Consulting GmbH270.05290.05-2.27
University of Florida260.05260.054.97
For Demo Purposes Only250.05250.044.97
ANET St. Louis250.05250.044.97
Superb Internet Corp.230.04230.044.97
Kommunikationssysteme ShE GmbH230.04230.044.97
the Internet Outlet220.04220.044.97
Random Corporation220.04150.0353.95
Spekter Bergen AS210.04210.044.97
Inter Clear Service Ltd210.04210.044.97
Webkeepers Limited200.04190.0310.49
HAL interactive, d.o.o.200.04210.04-0.03
U.S. Government190.04180.0310.80
Internet Marketing Services, LLC190.04190.034.97
WebNexus Communications180.03180.034.97
Massachusetts Institute of Technology180.03200.04-5.53
Makolab s.c.180.03200.04-5.53
IndyWeb Inc.180.03180.034.97
ChilNet S.A.180.03220.04-14.12
Wantree Internet170.0300.00N/A
Digital Visions170.03170.034.97
Powersurge Technologies, Inc.160.03170.03-1.21
Netlink, Inc.160.03160.034.97
UUNET UK150.03140.0212.47
GlobalSign nv-sa140.03140.024.97
Covalent Technologies, Inc.140.03180.03-18.36
Kubota Systems Inc.130.02120.0213.72
Fishnet NewMedia130.02130.024.97
CyberGate, Inc.130.02130.024.97
BizNet Communications, Inc.130.02150.03-9.03
University of Economics and BA120.02120.024.97
Marketwizz Internet Solutions120.02130.02-3.11
MFM Communication Software, Inc.120.02120.024.97
ProSalg as110.02120.02-3.78
My Company Ltd110.02160.03-27.83
Internet Solutions110.02110.024.97
dgSoft Internet Sevices100.02100.024.97
WorldSpice Technologies, Inc.100.02110.02-4.57
Webit Marketing Inc100.0200.00N/A
Walrus Internet100.02100.024.97
InterX Technologies100.02110.02-4.57
A&S Systemtechnik100.02100.024.97
Schell Computersysteme90.02100.02-5.53
National Institutes of Health90.0290.024.97
IPS Seguridad CA90.02100.02-5.53
Digital Systems90.0200.00N/A
Xtended Internet80.0100.00N/A
University of Oulu80.0100.00N/A
University of Helsinki80.0100.00N/A
Uni Regensburg80.0190.02-6.70
Swisskey AG80.0100.00N/A
QDnet ISP80.0190.02-6.70
Netalia Internet Ltd80.0100.00N/A
Media3 Inc80.0100.00N/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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