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Survey Data Mining: Home | FAQ | Archive | Glossary |
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Report Description |
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 | April 2007 Count |
April 2007 % |
March 2007 Count |
March 2007 % |
Growth % |
Verisign | 79,181 | 24.02 | 78,800 | 24.44 | -1.70 |
Equifax (Geotrust) | 71,237 | 21.61 | 69,157 | 21.45 | 0.77 |
Thawte | 44,736 | 13.57 | 44,127 | 13.68 | -0.82 |
Comodo Limited | 27,879 | 8.46 | 26,798 | 8.31 | 1.78 |
Starfield Technologies, Inc. | 14,825 | 4.50 | 14,993 | 4.65 | -3.27 |
Unknown | 7,852 | 2.38 | 7,589 | 2.35 | 1.22 |
DigiCert | 7,357 | 2.23 | 6,828 | 2.12 | 5.41 |
Entrust.net | 3,951 | 1.20 | 4,079 | 1.27 | -5.24 |
AddTrust AB | 3,781 | 1.15 | 4,413 | 1.37 | -16.18 |
Network Solutions L.L.C. | 3,701 | 1.12 | 3,414 | 1.06 | 6.05 |
GoDaddy.com, Inc. | 3,548 | 1.08 | 2,103 | 0.65 | 65.05 |
SomeOrganization | 3,342 | 1.01 | 3,320 | 1.03 | -1.52 |
SWsoft, Inc. | 3,045 | 0.92 | 3,034 | 0.94 | -1.82 |
XRamp Security Services Inc | 2,203 | 0.67 | 2,299 | 0.71 | -6.26 |
Snake Oil, Ltd | 1,923 | 0.58 | 1,918 | 0.59 | -1.92 |
SECOM Trust.net | 1,401 | 0.43 | 1,171 | 0.36 | 17.04 |
U.S. Government | 1,397 | 0.42 | 1,393 | 0.43 | -1.89 |
IPS Certification Authority s.l. | 1,208 | 0.37 | 1,146 | 0.36 | 3.12 |
Root CA | 1,118 | 0.34 | 1,045 | 0.32 | 4.66 |
TC TrustCenter for Security in Data Networks GmbH | 1,016 | 0.31 | 978 | 0.30 | 1.63 |
GlobalSign nv-sa | 950 | 0.29 | 942 | 0.29 | -1.34 |
Comodo CA Limited | 804 | 0.24 | 619 | 0.19 | 27.07 |
Cybertrust | 657 | 0.20 | 548 | 0.17 | 17.29 |
Positive Software Corporation | 599 | 0.18 | 633 | 0.20 | -7.43 |
Secure Business Services, Inc. | 581 | 0.18 | 475 | 0.15 | 19.66 |
Earthlink Inc | 573 | 0.17 | 572 | 0.18 | -2.00 |
Betrusted Japan Co.,Ltd. | 445 | 0.14 | 521 | 0.16 | -16.44 |
ispgateway | 407 | 0.12 | 396 | 0.12 | 0.55 |
T-Systems Enterprise Services GmbH | 380 | 0.12 | 361 | 0.11 | 2.98 |
Betrusted Japan Co., Ltd. | 353 | 0.11 | 238 | 0.07 | 45.10 |
GTE Corporation | 318 | 0.10 | 307 | 0.10 | 1.33 |
Firstserver, Inc. | 268 | 0.08 | 266 | 0.08 | -1.43 |
CAcert Inc. | 257 | 0.08 | 240 | 0.07 | 4.76 |
Comodo Japan Inc. | 246 | 0.07 | 277 | 0.09 | -13.12 |
Firstserver, Inc | 237 | 0.07 | 50 | 0.02 | 363.71 |
OCC | 236 | 0.07 | 225 | 0.07 | 2.61 |
Unizeto Sp. z o.o. | 221 | 0.07 | 210 | 0.07 | 2.95 |
TDC | 212 | 0.06 | 202 | 0.06 | 2.67 |
Akamai Technologies Inc | 203 | 0.06 | 172 | 0.05 | 15.46 |
StartCom Ltd. | 182 | 0.06 | 172 | 0.05 | 3.52 |
BlueHost.Com | 182 | 0.06 | 179 | 0.06 | -0.53 |
ChainedSSL | 181 | 0.05 | 192 | 0.06 | -7.78 |
Digi-Sign Limited | 177 | 0.05 | 170 | 0.05 | 1.86 |
NetLock Halozatbiztonsagi Kft. | 161 | 0.05 | 145 | 0.04 | 8.62 |
Plesk, Inc. | 160 | 0.05 | 159 | 0.05 | -1.56 |
Trusted Secure Certificate Authority | 158 | 0.05 | 145 | 0.04 | 6.60 |
RegisterFly.com, inc. | 150 | 0.05 | 132 | 0.04 | 11.17 |
Apache HTTP Server | 147 | 0.04 | 144 | 0.04 | -0.13 |
Your Name Webhosting | 142 | 0.04 | 139 | 0.04 | -0.06 |
RM | 135 | 0.04 | 129 | 0.04 | 2.38 |
Positive Software | 128 | 0.04 | 127 | 0.04 | -1.40 |
p1atin.de | 121 | 0.04 | 45 | 0.01 | 163.05 |
GlobalSign Inc | 120 | 0.04 | 106 | 0.03 | 10.75 |
COMODO CA Limited | 118 | 0.04 | 0 | 0.00 | N/A |
NTT Communications Corporation | 116 | 0.04 | 125 | 0.04 | -9.21 |
hosting | 112 | 0.03 | 94 | 0.03 | 16.56 |
Internet Widgits Pty Ltd | 108 | 0.03 | 105 | 0.03 | 0.62 |
ICS_TREE | 107 | 0.03 | 109 | 0.03 | -3.97 |
CNRS | 104 | 0.03 | 99 | 0.03 | 2.77 |
TBS INTERNET | 102 | 0.03 | 80 | 0.02 | 24.73 |
FreeSSL | 99 | 0.03 | 103 | 0.03 | -5.97 |
Digital Signature Trust Co. | 97 | 0.03 | 96 | 0.03 | -1.15 |
ICP-Brasil | 96 | 0.03 | 92 | 0.03 | 2.08 |
SecureTrust Corporation | 91 | 0.03 | 0 | 0.00 | N/A |
Default Web Site | 89 | 0.03 | 86 | 0.03 | 1.24 |
Akamai | 89 | 0.03 | 107 | 0.03 | -18.63 |
Sonera | 88 | 0.03 | 79 | 0.02 | 8.97 |
Ipswitch,Inc. | 88 | 0.03 | 92 | 0.03 | -6.42 |
FNMT | 87 | 0.03 | 81 | 0.03 | 5.08 |
CRU | 81 | 0.02 | 85 | 0.03 | -6.77 |
Plesk Inc. | 78 | 0.02 | 75 | 0.02 | 1.74 |
IceWarp Software | 77 | 0.02 | 77 | 0.02 | -2.17 |
Sun Microsystems Inc | 71 | 0.02 | 68 | 0.02 | 2.15 |
MULTICERT-CA | 71 | 0.02 | 70 | 0.02 | -0.77 |
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH | 71 | 0.02 | 72 | 0.02 | -3.53 |
My Company Ltd | 69 | 0.02 | 58 | 0.02 | 16.38 |
Thawte Certification | 68 | 0.02 | 70 | 0.02 | -4.97 |
WebMoney Transfer | 65 | 0.02 | 63 | 0.02 | 0.94 |
New Dream Network, LLC. | 64 | 0.02 | 63 | 0.02 | -0.62 |
Unicert Brasil Certificadora | 63 | 0.02 | 64 | 0.02 | -3.70 |
United Network Communications Co., Ltd. | 59 | 0.02 | 59 | 0.02 | -2.17 |
InterWorx | 59 | 0.02 | 54 | 0.02 | 6.89 |
XYZ Corporation | 58 | 0.02 | 51 | 0.02 | 11.26 |
Japan Certification Services, Inc. | 58 | 0.02 | 57 | 0.02 | -0.45 |
Temp Certificate! | 57 | 0.02 | 51 | 0.02 | 9.34 |
Wytwornia Telewizyjno-Filmowa "Alfa" | 56 | 0.02 | 47 | 0.01 | 16.56 |
TAIWAN-CA.COM Inc. | 48 | 0.01 | 45 | 0.01 | 4.35 |
University of Maryland | 47 | 0.01 | 43 | 0.01 | 6.93 |
Linkopings universitet | 47 | 0.01 | 47 | 0.01 | -2.17 |
WebSpace-Forum, Thomas Wendt | 46 | 0.01 | 0 | 0.00 | N/A |
Postecom S.p.A. | 46 | 0.01 | 41 | 0.01 | 9.76 |
SuSE Linux Web Server | 45 | 0.01 | 42 | 0.01 | 4.82 |
CsideNet | 44 | 0.01 | 46 | 0.01 | -6.42 |
TAIWAN-CA.COM | 43 | 0.01 | 46 | 0.01 | -8.55 |
Cisco Systems, Inc. | 43 | 0.01 | 40 | 0.01 | 5.17 |
University of Washington | 42 | 0.01 | 41 | 0.01 | 0.22 |
Prvni certifikacni autorita a.s. | 42 | 0.01 | 42 | 0.01 | -2.17 |
IceWarp Ltd. | 42 | 0.01 | 43 | 0.01 | -4.45 |
Apache Friends | 42 | 0.01 | 0 | 0.00 | N/A |
"PositiveSoftwareCorporation" | 41 | 0.01 | 0 | 0.00 | N/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.