
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.
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:
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).
| Authority | Current % |
2005 | 2006 | 2007 | 2008 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Jan | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Jan | ||
| VeriSign | 64.42 | 1940 | 2265 | 3502 | 3543 | 3574 | 3650 | 3742 | 3869 | 3938 | 3961 | 4012 | 4051 | 4057 | 4123 | 4219 |
| Other | 26.08 | 759 | 1162 | 821 | 873 | 955 | 1078 | 1184 | 1282 | 1363 | 1445 | 1484 | 1551 | 1611 | 1661 | 1708 |
| Comodo | 8.54 | 207 | 289 | 357 | 379 | 385 | 392 | 397 | 416 | 483 | 498 | 518 | 527 | 535 | 556 | 559 |
| Network Solutions | 0.49 | 0 | 7 | 15 | 18 | 20 | 20 | 22 | 25 | 26 | 26 | 30 | 33 | 35 | 36 | 32 |
| Entrust.net | 0.29 | 16 | 18 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 16 | 16 | 14 | 16 | 17 | 19 |
| AmbironTrustWave | 0.18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 12 | 13 | 11 | 11 | 12 | 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.
| Authority | Current % |
2005 | 2006 | 2007 | 2008 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Jan | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Jan | ||
| VeriSign Trust Network | 18.29 | 682 | 873 | 1032 | 1050 | 1061 | 1081 | 1100 | 1134 | 1147 | 1167 | 1179 | 1186 | 1185 | 1198 | 1198 |
| Thawte Consulting cc | 16.57 | 739 | 827 | 945 | 961 | 960 | 989 | 1015 | 1043 | 1050 | 1060 | 1064 | 1058 | 1059 | 1074 | 1085 |
| Equifax Secure Inc. | 14.02 | 199 | 570 | 766 | 759 | 770 | 777 | 792 | 834 | 837 | 820 | 847 | 860 | 862 | 873 | 918 |
| IPS Certification Authority s.l. | 10.03 | 174 | 271 | 408 | 439 | 471 | 500 | 520 | 551 | 559 | 586 | 597 | 610 | 626 | 645 | 657 |
| UTN-USERFirst-Hardware | 7.39 | 0 | 0 | 172 | 213 | 242 | 270 | 301 | 333 | 392 | 410 | 431 | 442 | 456 | 478 | 484 |
| FNMT | 6.29 | 103 | 158 | 215 | 218 | 228 | 240 | 253 | 277 | 315 | 357 | 373 | 380 | 386 | 399 | 412 |
| VeriSign, Inc. | 6.12 | 0 | 53 | 153 | 165 | 184 | 211 | 238 | 263 | 298 | 312 | 318 | 338 | 350 | 368 | 401 |
| RSA Data Security, Inc. | 5.31 | 500 | 463 | 437 | 433 | 418 | 405 | 398 | 379 | 371 | 367 | 366 | 355 | 351 | 348 | 348 |
| Cybertrust | 4.86 | 0 | 0 | 74 | 87 | 117 | 140 | 159 | 183 | 213 | 217 | 224 | 264 | 290 | 304 | 318 |
| Equifax | 2.93 | 141 | 42 | 91 | 102 | 105 | 112 | 126 | 140 | 159 | 161 | 162 | 179 | 177 | 184 | 192 |
| AC Camerfirma SA | 1.59 | 9 | 0 | 63 | 68 | 74 | 73 | 75 | 79 | 87 | 90 | 89 | 89 | 95 | 102 | 104 |
| Thawte Consulting (Pty) Ltd. | 1.07 | 19 | 49 | 59 | 61 | 64 | 62 | 63 | 67 | 66 | 63 | 67 | 65 | 66 | 68 | 70 |
| Generalitat Valenciana | 0.86 | 0 | 0 | 0 | 0 | 0 | 0 | 49 | 53 | 56 | 57 | 58 | 60 | 59 | 56 | 56 |
| Agencia Catalana de Certificacio (NIF Q-0801176-I) | 0.73 | 0 | 0 | 0 | 0 | 0 | 36 | 39 | 42 | 42 | 42 | 43 | 45 | 46 | 46 | 48 |
| Comodo Limited | 0.61 | 205 | 260 | 98 | 93 | 85 | 74 | 61 | 48 | 50 | 50 | 46 | 43 | 39 | 39 | 40 |
| IZENPE S.A. - CIF A-01337260-RMerc.Vitoria-Gasteiz T1055 F62 S8 | 0.52 | 0 | 0 | 0 | 0 | 0 | 20 | 24 | 28 | 30 | 32 | 32 | 32 | 33 | 33 | 34 |
| Network Solutions L.L.C. | 0.49 | 0 | 7 | 15 | 18 | 20 | 20 | 22 | 25 | 26 | 26 | 30 | 33 | 35 | 36 | 32 |
| DigiCert Inc | 0.32 | 2 | 5 | 10 | 10 | 11 | 11 | 12 | 12 | 14 | 17 | 18 | 18 | 20 | 19 | 21 |
| Entrust.net | 0.29 | 16 | 18 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 16 | 16 | 14 | 16 | 17 | 19 |
| AddTrust AB | 0.26 | 0 | 24 | 83 | 68 | 53 | 42 | 29 | 26 | 29 | 26 | 26 | 26 | 22 | 21 | 17 |
| IPS Seguridad CA | 0.23 | 4 | 8 | 4 | 6 | 7 | 10 | 10 | 11 | 11 | 12 | 12 | 14 | 14 | 15 | 15 |
| Accenture | 0.20 | 3 | 8 | 12 | 11 | 12 | 12 | 11 | 12 | 13 | 13 | 13 | 12 | 13 | 13 | 13 |
| StartCom Ltd. | 0.20 | 0 | 9 | 9 | 8 | 8 | 8 | 7 | 8 | 10 | 8 | 10 | 12 | 13 | 14 | 13 |
| Digi-Sign Limited | 0.12 | 0 | 0 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 |
| COMODO CA Limited | 0.11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 4 | 4 | 5 | 7 | 7 | 7 |
| XRamp Security Services Inc | 0.09 | 9 | 15 | 12 | 12 | 13 | 14 | 11 | 12 | 11 | 10 | 10 | 8 | 8 | 7 | 6 |
| SecureTrust Corporation | 0.09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 3 | 3 | 3 | 5 | 6 |
| Akamai Technologies Inc | 0.08 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 |
| TBS INTERNET | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 3 | 3 | 3 | 3 |
| GlobalSign nv-sa | 0.05 | 3 | 6 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 |
| GlobalSign | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 |
| TC TrustCenter for Security in Data Networks GmbH | 0.05 | 2 | 3 | 6 | 6 | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 6 | 4 | 3 | 3 |
| thawte, Inc. | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 |
| GoDaddy.com, Inc. | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| T-Systems Enterprise Services GmbH | 0.03 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| ChainedSSL | 0.02 | 0 | 9 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| The USERTRUST Network | 0.02 | 83 | 53 | 12 | 5 | 4 | 5 | 3 | 2 | 2 | 3 | 1 | 2 | 1 | 4 | 1 |
| Starfield Technologies, Inc. | 0.02 | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Postecom S.p.A. | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Akamai | 0.00 | 0 | 4 | 5 | 4 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| GTE Corporation | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| GlobalSign Inc | 0.00 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| FreeSSL | 0.00 | 21 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SCANDTRUST AB | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fundacion FESTE, CIF=G50742469 | 0.00 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| unknown | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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