Certification Services in unknown (XX)

This analysis relates to those sites found in the survey where the common name in the certificate matched the hostname, and the certificate's digital signature was not detected as being self-signed.

Market Share of Certification Authorities in unknown (XX)

The following graph shows the share of sites currently certified by each certificate authority. Brands belonging to the major companies have been grouped together.

The worldwide version of this data is available on a separate page. This data is also available divided into:

Certificate market share

Certificate market share

The following table and graph show the change over time of the number of sites certified by the main CA companies. The different brands of the major players are grouped together (so RSA Data Security & Thawte are included in Verisign; Equifax and UserTrust are included in GeoTrust).

Certificate authority groups over time

Certificate authority group share

Authority Current
%		 2004 2005 2006
Jun Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Go Daddy 62.43 0 11401 13118 15330 17029 18944 20846 22733 24764 26465 28684 31175 33990 34714
VeriSign 26.44 3 6310 7208 8134 8791 9506 10251 10956 11594 12151 12913 13633 14304 14700
Root CA 6.81 0 1886 2088 2354 2509 2735 2929 3041 3183 3298 3542 3685 3844 3789
Comodo 3.06 1 4 4 4 4 4 186 277 473 709 984 1243 1517 1700
CAcert Inc. 0.71 0 0 0 0 0 0 0 9 16 29 206 264 348 397
Other 0.55 189 233 244 242 255 281 298 319 291 286 264 205 258 308

The following graph and table show the complete results by certificate authority. These results are broken out into the individual companies and brands, as given by the organisation field on the certificate.

Certificate authority brands over time

Certificate authority brand share

Authority Current
%		 2004 2005 2006
Jun Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Starfield Technologies, Inc. 62.43 0 11401 13118 15330 17029 18944 20846 22733 24764 26465 28684 31175 33990 34714
Thawte Consulting cc 23.95 0 1059 1955 3284 4252 5331 6442 7374 8418 9358 10702 11944 12923 13319
Root CA 6.81 0 1886 2088 2354 2509 2735 2929 3041 3183 3298 3542 3685 3844 3789
Positive Software Corporation 3.05 0 0 0 0 0 0 183 274 468 704 979 1239 1513 1696
Thawte Consulting (Pty) Ltd. 2.48 0 5251 5253 4850 4539 4175 3809 3582 3176 2793 2211 1689 1381 1381
CAcert Inc. 0.71 0 0 0 0 0 0 0 9 16 29 206 264 348 397
Secure Business Services, Inc. 0.20 0 0 0 0 0 0 0 0 0 0 0 15 67 109
TC TrustCenter for Security in Data Networks GmbH 0.15 31 45 49 47 56 63 71 75 76 76 79 84 82 81
Wells Fargo 0.10 24 43 45 43 41 46 47 53 52 52 54 55 58 58
Root Agency 0.04 0 0 0 0 0 0 0 0 23 21 22 21 20 20
Schering AG 0.02 0 0 0 0 0 0 2 3 5 5 7 8 9 10
IPS Certification Authority s.l. 0.01 6 5 4 4 3 2 3 3 5 4 5 5 6 7
The Walt Disney Company Commerce CA 0.01 0 0 0 0 0 0 0 0 4 4 4 4 4 8
XRamp Security Services Inc 0.01 0 3 3 3 3 3 3 4 4 4 4 4 4 4
U.S. Government 0.01 0 3 3 3 2 1 3 3 3 3 3 3 2 3
I.T. Telecom 0.00 0 0 0 0 0 1 1 1 1 1 1 1 1 1
I.T. Telecom S.p.A. 0.00 0 1 0 0 0 0 0 0 0 0 0 0 0 0
Sonera 0.00 0 1 1 0 0 0 0 0 0 0 0 0 0 0
RSA Data Security, Inc. 0.00 2 0 0 0 0 0 0 0 0 0 0 0 0 0
VeriSign Trust Network 0.00 1 0 0 0 0 0 0 0 0 0 0 0 0 0
global 0.00 19 0 0 0 0 0 0 0 0 0 0 0 0 0
SecureNet CA Class B 0.00 1 1 1 0 1 1 0 1 1 1 1 1 1 1
Sun Microsystems Inc 0.00 104 122 129 132 142 143 148 153 112 110 80 0 0 0
GTE Corporation 0.00 2 3 3 3 1 1 1 1 1 1 0 0 0 0
GlobalSign nv-sa 0.00 1 1 0 0 0 0 0 1 1 1 1 1 1 1
Comodo Limited 0.00 1 4 4 4 4 4 3 3 3 3 3 2 2 2
The Walt Disney Company Enterprise CA 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 1
GlobalSign Inc 0.00 0 0 0 0 0 0 1 1 1 1 2 2 2 2
Giesecke and Devrient 0.00 0 1 1 1 1 1 1 1 1 1 1 1 1 1
Actalis S.p.A. 0.00 0 1 1 1 1 1 1 1 1 1 0 0 0 1
AC Camerfirma SA 0.00 1 1 1 1 0 0 0 0 0 0 0 0 0 0
AddTrust AB 0.00 0 0 0 0 0 0 0 0 2 2 2 2 2 2

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