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You are viewing an outdated report. The latest version of this report was published on October 1st, 2024


    
Certificate Authority Market Share Report
October 1st, 2018

Report Description
This report, much like our original certs and CAs report, focuses on issuers of SSL enabling certificates found on web servers. Unlike our original report, however, this report has a couple of key differences to it:

  • Reports on top 100 CAs. The original report only paid attention to the major CAs at the time the report was produced. This report lists the top 100 CAs for the month. You will find here many self-signing organizations such as universities, telecommunications firms, etc.
  • Uses issuer name as identifier. Our original report only counted a certificate towards an organization if we were able to prove, by virtue of verifying the key, that the organization in question actually signed the certificate. This had a notable problem with it - we don't always have the public key of the CA. In at least one case, a CA doesn't make their public key available unless you sign a license agreement.

    This report doesn't have that problem, since it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA September 2018
Count
September 2018
%
August 2018
Count
August 2018
%
Growth
%
COMODO CA Limited1,159,98531.84685,88918.1875.12
DigiCert528,88414.52594,70815.76-7.91
Let's Encrypt382,33910.49379,22710.054.40
GlobalSign nv-sa282,3337.75287,8797.631.55
GoDaddy.com, Inc.277,7327.62749,02519.85-61.61
Gandi100,8872.77100,8212.673.61
Unknown88,3912.4387,0362.315.16
cPanel, Inc.84,2142.3182,5532.195.63
Amazon69,1751.9066,3011.768.03
GeoTrust Inc.67,7951.86109,2872.90-35.77
Google Trust Services49,1391.3548,2411.285.47
Starfield Technologies, Inc.33,0360.9132,5620.865.05
TERENA28,5450.7828,4740.753.80
Internet228,1710.7728,1890.753.48
Entrust, Inc.22,2160.6122,6690.601.48
ispgateway20,2110.5519,7980.525.71
Unizeto Technologies S.A.20,1250.5519,7150.525.70
SomeOrganization19,5780.5419,3610.514.71
Parallels18,7110.5118,9030.502.49
none17,1200.4717,7050.470.13
Microsoft Corporation16,9080.4616,8110.454.14
Plesk15,9740.4415,0000.4010.27
thawte, Inc.14,8520.4122,5000.60-31.65
Apache HTTP Server14,3960.4014,3690.383.74
Network Solutions L.L.C.14,2460.3914,6640.390.59
Odin12,1840.3312,0410.324.78
home.pl S.A.11,5290.3211,6660.312.33
QuoVadis Limited10,9120.3010,9710.292.99
Symantec Corporation10,3600.2819,2950.51-44.40
Cybertrust Japan Co., Ltd.9,1740.259,7570.26-2.64
NN.RU8,8830.248,8830.243.55
SSL.com8,2790.238,5570.230.18
Internet Widgits Pty Ltd7,7680.217,6630.204.97
Trustwave Holdings, Inc.6,2320.176,5820.17-1.96
StartCom Ltd.5,7660.165,9370.160.56
SecureCore5,4570.156,5520.17-13.76
io.ua4,8670.134,8610.133.67
nazwa.pl sp. z o.o.4,6590.134,5650.125.68
Actalis S.p.A./033585209674,6390.134,3900.129.42
Corporation Service Company4,2050.124,1500.114.92
GeoTrust, Inc.4,1160.114,4260.12-3.71
Trust Provider B.V.4,1000.114,0940.113.70
WebSupport, s.r.o.3,3310.093,2430.096.36
The Trustico Group Ltd3,3300.093,5250.09-2.18
HydrantID (Avalanche Cloud Corporation)3,3050.094,3350.11-21.06
Pizza-Taxi.de GmbH / CA3,2660.093,2570.093.83
KDDI Web Communications Inc.3,2110.093,2090.093.61
Webhosting3,1900.092,9950.0810.29
Hosting Ukraine LLC3,0630.082,9400.087.88
Nijimo, Inc.3,0620.082,9060.089.10
SECOM Trust Systems CO.,LTD.2,9460.082,9840.082.23
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.2,7610.082,4650.0715.98
Japan Registry Services Co., Ltd.2,5560.072,4190.069.41
National Institute of Informatics2,2570.062,2180.065.37
TrustAsia Technologies, Inc.1,9240.054,2470.11-53.09
Default Company Ltd1,8080.051,8650.050.38
DOMENY.PL sp. z o.o1,7930.051,8040.052.91
Comodo Limited1,6930.051,7940.05-2.28
SH1,6630.051,5960.047.89
Government of Korea1,6610.051,7810.05-3.43
T-Systems International GmbH1,6530.051,6910.041.22
TAIWAN-CA1,6340.041,7180.05-1.52
Rede Nacional de Ensino e Pesquisa - RNP1,6030.041,5710.045.66
WEDOS Internet, a.s.1,5500.041,4440.0411.15
SwissSign AG1,5380.041,5050.045.82
WoSign CA Limited1,4770.041,5320.04-0.17
Test Self SSL Company1,4600.041,4300.045.72
KAGOYA-JAPAN1,3810.041,2620.0313.31
AC Camerfirma S.A.1,2370.031,1390.0312.46
UIC1,1700.031,1700.033.55
NetLock Kft.1,1250.031,1280.033.27
XX1,0730.031,0310.037.76
Verisign1,0380.031,0620.031.21
EUNETIC GmbH1,0160.031,0140.033.75
KEYNECTIS1,0120.031,1110.03-5.68
AffirmTrust9920.038250.0224.51
Thawte, Inc.9530.031,0360.03-4.75
Buypass AS-9831633279450.039410.023.99
Mirohost9320.038970.027.59
MyCompany8810.027750.0217.71
www.sprinthost.ru8490.028200.027.21
U.S. Government8190.028300.022.17
FIDUCIA & GAD IT AG8180.028270.022.42
Equifax (Geotrust)7830.028000.021.35
World4You Internet Services GmbH7150.026490.0214.08
dhosting.pl Sp. z o.o.7020.026780.027.21
CloudFlare, Inc.6750.026820.022.48
CertCenter AG6690.026600.024.96
Beijing Knownsec Information Technology Co., Ltd6320.026250.024.71
Globe Hosting, Inc.6230.021,2120.03-46.77
Comvive Servidores SL6110.025880.027.60
TBS INTERNET5980.026010.023.03
AlphaSSL5220.015380.010.47
CAcert Inc.5160.015290.011.00
KPN B.V.5070.015300.01-0.95
OVH4960.014890.015.03
Acme Co4620.014680.012.22
Soluciones Corporativas IP, SL4410.0100.00N/A
Zimbra Collaboration Server4370.014370.013.55
Intexmedia4300.0100.00N/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.



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