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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
December 1st, 2023

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 doesn't verify the signatures of the certificates it finds, it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA November 2023
Count
November 2023
%
October 2023
Count
October 2023
%
Growth
%
Let's Encrypt975,62931.08997,65131.040.14
Sectigo Limited373,37111.90394,66412.28-3.13
DigiCert276,3708.80271,8768.464.09
GlobalSign nv-sa217,9706.94219,3146.821.77
Unknown203,4776.48205,6886.401.30
Amazon136,7914.36139,9574.350.08
GoDaddy.com, Inc.77,2752.4679,6222.48-0.62
Plesk59,0841.8860,3281.880.28
DigiCert, Inc.54,9871.7562,0491.93-9.26
SomeOrganization54,9341.7555,7921.740.82
cPanel, Inc.54,3681.7357,1861.78-2.65
Cloudflare, Inc.48,3821.5450,0001.56-0.92
ddos-guard44,4771.4244,0781.373.32
Google Trust Services LLC42,9101.3742,7241.332.84
Unizeto Technologies S.A.30,9330.9932,3881.01-2.20
TrustAsia Technologies, Inc.24,7340.7923,4130.738.17
Internet Widgits Pty Ltd24,3860.7825,7930.80-3.19
GEANT Vereniging23,4020.7523,7600.740.85
SH21,8950.7022,1340.691.29
GoGetSSL19,7880.6320,4530.64-0.93
Soluciones Corporativas IP, SL18,1420.5818,2400.571.85
Japan Registry Services Co., Ltd.17,1290.5517,3080.541.34
COMODO CA Limited15,5410.5015,7870.490.80
Gandi15,3170.4915,4680.481.40
Apache HTTP Server15,2960.4915,3670.481.92
Starfield Technologies, Inc.13,3780.4313,6650.430.25
ZeroSSL12,4820.4012,7760.400.04
Internet211,8400.3812,6550.39-4.20
Beijing Knownsec Information Technology Co., Ltd11,5610.3711,4040.353.81
Parallels10,8530.3511,2890.35-1.56
Microsoft Corporation10,0710.3210,2170.320.93
Default Company Ltd9,8660.319,9870.311.16
Odin9,0470.299,3670.29-1.10
SECOM Trust Systems CO.,LTD.7,8760.258,0330.250.40
Entrust, Inc.6,9170.227,0840.22-0.02
XX6,8930.227,2620.23-2.81
dhosting.pl Sp. z o.o.6,7560.226,7610.212.32
Unspecified5,4870.175,7110.18-1.62
KAGOYA-JAPAN5,4530.175,5420.170.75
Beijing Xinchacha Credit Management Co., Ltd.5,4220.175,4250.172.34
Baidu, Inc.4,9300.165,2050.16-3.01
Cybertrust Japan Co., Ltd.4,8740.164,8820.152.23
Mirohost4,6550.154,6710.152.05
FASTVPS4,2600.144,5690.14-4.53
none3,6910.123,8410.12-1.60
My Company Ltd3,6290.123,5940.113.39
Alpiro s.r.o.3,6140.123,5750.113.51
CloudFlare, Inc.3,6090.113,6230.112.00
DivMulTech LLC3,5870.113,5870.112.40
WoTrus CA Limited3,4130.113,3750.113.55
SSL Server3,1360.103,1360.102.40
Network Solutions L.L.C.3,0850.103,2520.10-2.86
Guardian Inc.2,9830.102,9930.092.05
GeoTrust Inc.2,9570.093,0490.09-0.69
SSL Corporation2,8340.092,8190.092.94
Digital Element2,6850.092,6850.082.40
FASTPANEL2,6670.082,6510.083.01
Buypass AS-9831633272,5170.082,8230.09-8.70
TAIWAN-CA2,3150.072,3020.072.97
home.pl S.A.2,1450.072,1660.071.40
Dattatec.com2,1320.072,1940.07-0.50
Zhejiang Huluwa Digital Certification Co., Ltd.1,9430.061,7980.0610.65
Comodo Japan, Inc.1,8970.061,9040.062.02
Acme Co1,8970.061,9200.061.17
CentOS Web Panel1,8790.061,9450.06-1.08
Rede Nacional de Ensino e Pesquisa - RNP1,6040.051,6260.051.01
ZONER Software, a.s.1,5820.051,5840.052.27
Kloxo Next Generation1,4550.051,4520.052.61
The Trustico Group Ltd1,4170.051,4610.05-0.69
Actalis S.p.A.1,3860.041,4000.041.37
DBAPPSecurity Limited1,3520.041,3470.042.78
Skok.CZ1,3000.041,3130.041.38
RunCloud Sdn. Bhd.1,2270.041,2470.040.75
MyCompany1,2210.041,2980.04-3.68
Trust Provider B.V.1,2110.041,2070.042.74
Traffic1,0080.039950.033.73
Hoster9850.039700.033.98
DNSPod, Inc.9760.039750.032.50
GeoTrust, Inc.9730.031,0090.03-1.26
SecureCore8930.038920.032.51
sslTrus8910.038630.035.72
GTranslate8780.038740.032.86
TERENA8750.038960.03-0.00
China Financial Certification Authority8630.037980.0210.74
N/A8500.038940.03-2.64
Brainy7780.027880.021.10
zzidc.com7760.027900.020.58
BiziNet Pty Ltd7680.027680.022.40
Trustwave Holdings, Inc.7280.027850.02-5.04
Bitnami6450.026590.020.22
FNMT-RCM6300.026260.023.05
StartCom Ltd.6190.026420.02-1.27
QuoVadis Limited5850.026190.02-3.23
NetLock Kft.5810.026140.02-3.11
Corporation Service Company5660.026030.02-3.89
thawte, Inc.5560.025670.020.41
E-TUGRA EBG BILISIM TEKNOLOJILERI VE HIZMETLERI ANONIM SIRKETI5500.0200.00N/A
Firmaprofesional S.A.5410.0200.00N/A
Domeneshop AS5180.0200.00N/A
OVH5080.0200.00N/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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