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	December 2023 Count	December 2023 %	November 2023 Count	November 2023 %	Growth %
Let's Encrypt	1,552,372	31.21	975,629	31.08	0.41
Sectigo Limited	728,523	14.65	373,371	11.90	23.13
DigiCert	451,640	9.08	276,370	8.80	3.12
Unknown	312,916	6.29	203,477	6.48	-2.96
GlobalSign nv-sa	288,724	5.80	217,970	6.94	-16.41
cPanel, Inc.	169,306	3.40	54,368	1.73	96.51
Amazon	156,654	3.15	136,791	4.36	-27.73
GoDaddy.com, Inc.	114,185	2.30	77,275	2.46	-6.76
Cloudflare, Inc.	97,734	1.96	48,382	1.54	27.47
Plesk	72,143	1.45	59,084	1.88	-22.95
SomeOrganization	58,555	1.18	54,934	1.75	-32.74
DigiCert, Inc.	56,795	1.14	54,987	1.75	-34.82
Unizeto Technologies S.A.	51,368	1.03	30,933	0.99	4.79
Starfield Technologies, Inc.	46,325	0.93	13,378	0.43	118.51
ddos-guard	45,261	0.91	44,477	1.42	-35.78
SecureCore	39,504	0.79	893	0.03	2691.51
GEANT Vereniging	32,881	0.66	23,402	0.75	-11.34
Internet Widgits Pty Ltd	29,700	0.60	24,386	0.78	-23.15
TrustAsia Technologies, Inc.	29,407	0.59	24,734	0.79	-24.97
Gehirn Inc.	24,933	0.50	0	0.00	N/A
New Dream Network LLC dba Dreamhost	24,639	0.50	0	0.00	N/A
Microsoft Corporation	22,599	0.45	10,071	0.32	41.60
GoGetSSL	22,221	0.45	19,788	0.63	-29.14
SH	21,894	0.44	21,895	0.70	-36.90
Japan Registry Services Co., Ltd.	21,580	0.43	17,129	0.55	-20.50
Soluciones Corporativas IP, SL	18,630	0.37	18,142	0.58	-35.20
Gandi	18,558	0.37	15,317	0.49	-23.54
Internet2	18,439	0.37	11,840	0.38	-1.73
COMODO CA Limited	17,911	0.36	15,541	0.50	-27.27
ZeroSSL	17,301	0.35	12,482	0.40	-12.53
none	16,481	0.33	3,691	0.12	181.77
Apache HTTP Server	15,513	0.31	15,296	0.49	-36.00
ispgateway	12,585	0.25	0	0.00	N/A
Parallels	12,395	0.25	10,853	0.35	-27.93
Default Company Ltd	11,979	0.24	9,866	0.31	-23.38
Beijing Knownsec Information Technology Co., Ltd	11,616	0.23	11,561	0.37	-36.60
Google Trust Services LLC	11,392	0.23	42,910	1.37	-83.25
SECOM Trust Systems CO.,LTD.	11,211	0.23	7,876	0.25	-10.18
home.pl S.A.	10,967	0.22	2,145	0.07	222.63
Entrust, Inc.	10,924	0.22	6,917	0.22	-0.34
Odin	10,280	0.21	9,047	0.29	-28.30
Acme Co	9,511	0.19	1,897	0.06	216.38
Unspecified	8,916	0.18	5,487	0.17	2.54
Actalis S.p.A.	8,511	0.17	1,386	0.04	287.50
XX	7,847	0.16	6,893	0.22	-28.16
AfterMarket.pl	7,106	0.14	0	0.00	N/A
Cybertrust Japan Co., Ltd.	6,863	0.14	4,874	0.16	-11.15
dhosting.pl Sp. z o.o.	6,779	0.14	6,756	0.22	-36.68
KAGOYA-JAPAN	6,755	0.14	5,453	0.17	-21.83
Beijing Xinchacha Credit Management Co., Ltd.	6,609	0.13	5,422	0.17	-23.08
Baidu, Inc.	5,397	0.11	4,930	0.16	-30.92
Alpiro s.r.o.	5,184	0.10	3,614	0.12	-9.48
FASTPANEL	5,035	0.10	2,667	0.08	19.13
nazwa.pl sp. z o.o.	4,848	0.10	0	0.00	N/A
FASTVPS	4,373	0.09	4,260	0.14	-35.22
GeoTrust Inc.	4,141	0.08	2,957	0.09	-11.63
WoTrus CA Limited	4,096	0.08	3,413	0.11	-24.27
Network Solutions L.L.C.	3,984	0.08	3,085	0.10	-18.51
CloudFlare, Inc.	3,946	0.08	3,609	0.11	-31.00
My Company Ltd	3,770	0.08	3,629	0.12	-34.45
DivMulTech LLC	3,587	0.07	3,587	0.11	-36.90
SSL Corporation	3,538	0.07	2,834	0.09	-21.22
TAIWAN-CA	3,295	0.07	2,315	0.07	-10.18
SSL Server	3,142	0.06	3,136	0.10	-36.78
World4You Internet Services GmbH	3,015	0.06	0	0.00	N/A
Guardian Inc.	2,981	0.06	2,983	0.10	-36.94
The Trustico Group Ltd	2,938	0.06	1,417	0.05	30.84
Test Self SSL Company	2,842	0.06	0	0.00	N/A
Rede Nacional de Ensino e Pesquisa - RNP	2,353	0.05	1,604	0.05	-7.43
CentOS Web Panel	2,316	0.05	1,879	0.06	-22.22
Zhejiang Huluwa Digital Certification Co., Ltd.	2,284	0.05	1,943	0.06	-25.82
Dattatec.com	2,214	0.04	2,132	0.07	-34.47
Buypass AS-983163327	2,127	0.04	2,517	0.08	-46.67
WEDOS Internet, a.s.	2,077	0.04	0	0.00	N/A
Trust Provider B.V.	2,060	0.04	1,211	0.04	7.34
Basekit Ltd	1,956	0.04	0	0.00	N/A
Comodo Japan, Inc.	1,954	0.04	1,897	0.06	-35.00
www.sprinthost.ru	1,921	0.04	0	0.00	N/A
Certainly	1,907	0.04	0	0.00	N/A
ZONER Software, a.s.	1,844	0.04	1,582	0.05	-26.45
Skok.CZ	1,535	0.03	1,300	0.04	-25.49
Symantec Corporation	1,464	0.03	0	0.00	N/A
Kloxo Next Generation	1,455	0.03	1,455	0.05	-36.90
Dreamcommerce S.A.	1,372	0.03	0	0.00	N/A
sslTrus	1,347	0.03	891	0.03	-4.60
DBAPPSecurity Limited	1,284	0.03	1,352	0.04	-40.07
MyCompany	1,275	0.03	1,221	0.04	-34.11
RunCloud Sdn. Bhd.	1,253	0.03	1,227	0.04	-35.56
QuoVadis Limited	1,115	0.02	585	0.02	20.27
GMO CLOUD K.K.	1,097	0.02	0	0.00	N/A
Bitrix	1,090	0.02	0	0.00	N/A
Trustwave Holdings, Inc.	1,047	0.02	728	0.02	-9.25
DNSPod, Inc.	1,043	0.02	976	0.03	-32.57
N/A	1,040	0.02	850	0.03	-22.79
Deutsche Telekom Security GmbH	1,021	0.02	0	0.00	N/A
Traffic	1,016	0.02	1,008	0.03	-36.40
GeoTrust, Inc.	1,002	0.02	973	0.03	-35.02
Hoster	981	0.02	985	0.03	-37.15
Hestia Control Panel	942	0.02	0	0.00	N/A
China Financial Certification Authority	929	0.02	863	0.03	-32.07

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.