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	October 2011 Count	October 2011 %	September 2011 Count	September 2011 %	Growth %
GoDaddy.com, Inc.	174,573	19.39	166,876	18.91	2.52
Verisign	90,139	10.01	89,866	10.19	-1.70
GeoTrust, Inc.	84,631	9.40	78,982	8.95	5.01
Equifax (Geotrust)	68,968	7.66	72,674	8.24	-7.00
Thawte, Inc.	45,987	5.11	44,397	5.03	1.51
Comodo Limited	39,804	4.42	41,390	4.69	-5.76
DigiCert	35,824	3.98	34,628	3.92	1.38
GeoTrust Inc.	34,592	3.84	33,665	3.82	0.70
COMODO CA Limited	32,727	3.63	30,151	3.42	6.37
Comodo CA Limited	23,705	2.63	22,992	2.61	1.04
Unknown	22,930	2.55	22,564	2.56	-0.41
Thawte	21,078	2.34	22,293	2.53	-7.34
GlobalSign nv-sa	19,864	2.21	19,015	2.16	2.37
Network Solutions L.L.C.	19,850	2.20	19,794	2.24	-1.72
Starfield Technologies, Inc.	16,900	1.88	16,647	1.89	-0.51
GlobalSign	15,606	1.73	15,517	1.76	-1.44
Entrust, Inc.	11,838	1.31	11,672	1.32	-0.61
TERENA	8,245	0.92	8,000	0.91	1.00
SecureTrust Corporation	7,226	0.80	7,085	0.80	-0.05
StartCom Ltd.	6,365	0.71	6,071	0.69	2.74
Alpha	4,781	0.53	5,281	0.60	-11.28
SomeOrganization	4,630	0.51	4,667	0.53	-2.78
Parallels	4,330	0.48	4,241	0.48	0.05
Akamai Technologies Inc	3,974	0.44	3,865	0.44	0.76
Cybertrust Japan Co., Ltd.	3,274	0.36	3,215	0.36	-0.20
Internet2	3,109	0.35	2,754	0.31	10.63
SECOM Trust Systems CO.,LTD.	2,721	0.30	2,679	0.30	-0.47
GeoTrust Inc	2,479	0.28	2,360	0.27	2.94
CAcert Inc.	2,125	0.24	2,051	0.23	1.53
thawte, Inc.	2,097	0.23	2,075	0.24	-0.96
SWsoft, Inc.	2,053	0.23	2,113	0.24	-4.78
AlphaSSL	2,038	0.23	1,665	0.19	19.95
Root CA	1,878	0.21	1,881	0.21	-2.16
Unizeto Technologies S.A.	1,826	0.20	1,811	0.21	-1.19
Servision Inc.	1,765	0.20	1,750	0.20	-1.16
Google Inc	1,482	0.16	1,405	0.16	3.37
Volusion, Inc.	1,475	0.16	1,149	0.13	25.80
U.S. Government	1,373	0.15	1,366	0.15	-1.50
TC TrustCenter GmbH	1,261	0.14	1,256	0.14	-1.61
GTE Corporation	1,127	0.13	1,075	0.12	2.74
SECOM Trust.net	1,102	0.12	1,132	0.13	-4.60
Cybertrust Inc	1,097	0.12	1,060	0.12	1.42
QuoVadis Limited	1,050	0.12	1,014	0.11	1.48
Register.com	1,027	0.11	1,087	0.12	-7.41
ispgateway	985	0.11	984	0.11	-1.90
Snake Oil, Ltd	972	0.11	984	0.11	-3.20
ips Certification Authority	923	0.10	929	0.11	-2.63
UIC	918	0.10	911	0.10	-1.25
Trusted Secure Certificate Authority	888	0.10	873	0.10	-0.32
Cybertrust	875	0.10	942	0.11	-8.97
none	853	0.09	817	0.09	2.32
GANDI SAS	850	0.09	811	0.09	2.71
Sun Microsystems Inc	778	0.09	779	0.09	-2.13
Betrusted Japan Co., Ltd.	661	0.07	702	0.08	-7.73
AusCERT	636	0.07	620	0.07	0.53
T-Systems International GmbH	633	0.07	566	0.06	9.60
National Institute of Informatics	601	0.07	585	0.07	0.68
EUNETIC GmbH	597	0.07	584	0.07	0.18
Secure Business Services, Inc.	555	0.06	619	0.07	-12.13
OVH SAS	551	0.06	482	0.05	12.03
Government of Korea	523	0.06	505	0.06	1.49
NetLock Halozatbiztonsagi Kft.	518	0.06	508	0.06	-0.07
Parallels, Inc.	492	0.05	480	0.05	0.45
Globe Hosting, Inc.	490	0.05	469	0.05	2.39
Autistici/Inventati	490	0.05	475	0.05	1.09
Firstserver, Inc	444	0.05	451	0.05	-3.52
SYS-CON Media	430	0.05	405	0.05	4.05
OCC	379	0.04	371	0.04	0.11
FNMT	360	0.04	348	0.04	1.38
Apache HTTP Server	354	0.04	355	0.04	-2.28
WTF ALFA	352	0.04	351	0.04	-1.72
TBS INTERNET	343	0.04	344	0.04	-2.29
WebSpace-Forum, Thomas Wendt	330	0.04	261	0.03	23.91
ICP-Brasil	328	0.04	334	0.04	-3.76
Internet Widgits Pty Ltd	325	0.04	330	0.04	-3.49
RBC Hosting Center	323	0.04	304	0.03	4.12
Sonera	322	0.04	327	0.04	-3.50
CrossTrust	312	0.03	284	0.03	7.66
Zimbra Collaboration Suite	278	0.03	263	0.03	3.59
TAIWAN-CA INC.	251	0.03	230	0.03	6.95
OptimumSSL CA	247	0.03	236	0.03	2.57
SonicWALL, Inc.	245	0.03	250	0.03	-3.96
XX	243	0.03	231	0.03	3.09
TDC	235	0.03	239	0.03	-3.64
T-Systems Enterprise Services GmbH	228	0.03	273	0.03	-18.16
TAIWAN-CA.COM Inc.	215	0.02	220	0.02	-4.23
SiteGround LLC.	215	0.02	188	0.02	12.07
Entrust.net	214	0.02	232	0.03	-9.60
Getronics PinkRoccade Nederland B.V.	198	0.02	211	0.02	-8.04
Ministere education nationale (MENESR)	168	0.02	168	0.02	-2.00
Digi-Sign Limited	167	0.02	165	0.02	-0.81
WoSign, Inc.	164	0.02	166	0.02	-3.18
SwissSign AG	160	0.02	150	0.02	4.53
Wells Fargo	155	0.02	151	0.02	0.59
SGssl	154	0.02	159	0.02	-5.08
Positive Software	154	0.02	160	0.02	-5.68
HTTPS Management Certificate for SonicWALL (self-signed)	152	0.02	0	0.00	N/A
InterWorx	150	0.02	172	0.02	-14.54
My Company Ltd	146	0.02	149	0.02	-3.97
Universitaet Heidelberg	145	0.02	144	0.02	-1.32

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.