Certification Services in Taiwan (TW)

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 Taiwan (TW)

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
VeriSign 68.53 681 749 760 804 818 817 827 836 853 865 881 889 893 893
TAIWAN-CA.COM 11.97 0 5 16 24 34 45 58 68 80 104 114 129 139 156
Comodo 8.98 37 74 79 90 87 88 93 100 102 102 114 119 124 117
GeoTrust 5.60 30 65 70 76 81 82 87 89 84 79 80 80 74 73
Entrust.net 3.99 114 93 94 100 104 106 105 102 100 75 69 62 54 52
Other 0.92 133 102 99 79 78 69 62 56 44 24 24 23 24 12

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
RSA Data Security, Inc. 36.30 316 365 381 408 412 410 419 423 419 434 452 460 460 473
VeriSign Trust Network 28.63 288 325 327 342 348 350 356 361 381 377 378 379 385 373
TAIWAN-CA.COM 11.97 0 5 16 24 34 45 58 68 80 104 114 129 139 156
Comodo Limited 7.52 37 73 78 89 86 87 92 99 99 95 101 104 105 98
Equifax Secure Inc. 4.83 5 49 53 61 69 70 75 78 74 68 69 70 64 63
Entrust.net 3.99 114 93 94 100 104 106 105 102 100 75 69 62 54 52
Thawte Consulting cc 3.22 77 56 49 50 54 53 48 48 48 49 46 45 43 42
AddTrust AB 1.38 0 0 0 0 0 0 0 0 2 6 12 14 18 18
The USERTRUST Network 0.61 6 13 14 14 11 12 11 10 9 9 8 8 8 8
CHIEF Telecom Inc. 0.46 2 12 11 8 10 7 10 9 6 7 7 6 5 6
IPS Certification Authority s.l. 0.38 1 0 0 1 1 1 1 1 0 0 0 2 6 5
Thawte Consulting (Pty) Ltd. 0.38 0 3 3 4 4 4 4 4 5 5 5 5 5 5
Equifax 0.15 17 1 1 1 1 0 1 1 1 2 3 2 2 2
DigiCert Inc. 0.08 0 1 1 1 1 1 1 1 1 1 1 1 1 1
TAIWAN-CA.COM Inc. 0.08 130 90 88 70 67 59 49 44 36 16 16 14 12 1
StartCom Ltd. 0.00 0 0 0 0 0 2 2 2 2 1 1 1 1 0
FreeSSL 0.00 2 2 2 0 0 0 0 0 0 0 0 0 0 0

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