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
%		 2005 2006 2007 2008
Jan Jan Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan
VeriSign 60.83 743 853 997 989 982 1001 1006 1030 1038 1023 1017 1015 1022 1029 1028
Other 22.01 125 124 210 227 228 300 309 329 332 341 342 354 359 361 372
Comodo 17.10 49 102 159 160 166 163 167 180 216 231 241 259 264 277 289
Network Solutions 0.06 0 0 0 1 1 1 1 1 1 2 2 1 1 1 1
Entrust.net 0.00 99 100 15 12 9 8 3 0 0 0 0 0 0 0 0
GeoTrust 0.00 54 84 0 0 0 0 0 0 0 0 0 0 0 0 0

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
%		 2005 2006 2007 2008
Jan Jan Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan
RSA Data Security, Inc. 27.93 365 419 498 492 487 492 494 500 508 504 496 496 492 484 472
VeriSign Trust Network 22.60 318 381 393 393 388 397 396 407 405 395 398 387 393 390 382
UTN-USERFirst-Hardware 12.90 0 0 64 72 80 85 99 116 143 160 173 188 194 208 218
TAIWAN-CA.COM Inc. 11.36 115 36 59 82 88 102 117 135 148 158 168 177 185 186 192
\\xE8\\xA1\\x8C\\xE6\\x94\\xBF\\xE9\\x99\\xA2 6.33 0 0 0 0 0 65 67 83 83 89 90 95 98 100 107
Equifax Secure Inc. 4.62 32 74 57 53 54 56 62 66 64 66 65 71 70 73 78
Comodo Limited 2.66 48 99 78 73 70 66 61 58 63 60 55 51 48 46 45
TAIWAN-CA.COM 2.19 0 80 139 124 117 109 99 82 71 63 54 50 44 41 37
VeriSign, Inc. 2.01 0 0 0 0 0 0 0 0 1 2 3 3 7 20 34
IPS Certification Authority s.l. 1.83 1 0 11 18 20 20 23 26 25 26 26 27 27 29 31
Thawte Consulting cc 1.83 60 48 35 35 35 35 31 32 32 32 31 30 29 30 31
Equifax 1.54 4 1 7 9 10 13 15 18 20 17 16 20 22 27 26
UTN - DATACorp SGC 0.83 0 0 0 0 0 0 0 0 2 4 6 10 11 11 14
Comodo CA Limited 0.41 0 0 0 0 1 1 1 1 3 2 2 5 6 7 7
AddTrust AB 0.30 0 2 17 15 15 11 6 5 5 5 5 5 5 5 5
DigiCert Inc 0.24 1 1 1 1 1 2 2 2 3 3 3 4 4 4 4
Thawte Consulting (Pty) Ltd. 0.18 0 5 3 3 4 4 3 3 3 2 3 3 3 3 3
The USERTRUST Network 0.12 15 9 4 4 4 4 5 4 5 5 5 5 6 2 2
Network Solutions L.L.C. 0.06 0 0 0 1 1 1 1 1 1 2 2 1 1 1 1
TaiOne International Ltd. 0.06 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1
CHIEF Telecom Inc. 0.00 9 6 0 0 0 0 0 0 0 0 0 0 0 0 0
StartCom Ltd. 0.00 0 2 0 2 2 2 1 1 1 1 0 0 0 0 0
Entrust.net 0.00 99 100 15 12 9 8 3 0 0 0 0 0 0 0 0
FreeSSL 0.00 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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