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	December 2006 Count	December 2006 %	November 2006 Count	November 2006 %	Growth %
Verisign	77,306	25.64	77,029	25.84	-0.80
Equifax (Geotrust)	63,222	20.97	62,410	20.94	0.13
Thawte	42,163	13.98	41,772	14.01	-0.23
Comodo	24,161	8.01	0	0.00	N/A
Starfield Technologies, Inc.	13,688	4.54	13,269	4.45	1.97
Unknown	6,913	2.29	6,798	2.28	0.52
AddTrust AB	5,389	1.79	5,452	1.83	-2.30
DigiCert	5,222	1.73	4,979	1.67	3.67
Entrust.net	4,255	1.41	4,275	1.43	-1.62
SomeOrganization	3,260	1.08	3,256	1.09	-1.03
Network Solutions L.L.C.	3,017	1.00	2,906	0.97	2.62
SWsoft, Inc.	2,874	0.95	2,844	0.95	-0.11
XRamp Security Services Inc	1,965	0.65	1,926	0.65	0.85
Snake Oil, Ltd	1,934	0.64	1,939	0.65	-1.41
U.S. Government	1,379	0.46	1,378	0.46	-1.08
IPS Certification Authority s.l.	1,040	0.34	1,003	0.34	2.49
Root CA	946	0.31	938	0.31	-0.31
TC TrustCenter for Security in Data Networks GmbH	927	0.31	924	0.31	-0.83
GlobalSign nv-sa	855	0.28	843	0.28	0.25
Positive Software Corporation	711	0.24	706	0.24	-0.46
SECOM Trust.net	700	0.23	599	0.20	15.51
Betrusted Japan Co.,Ltd.	588	0.19	596	0.20	-2.48
Earthlink Inc	544	0.18	464	0.16	15.89
ispgateway	374	0.12	364	0.12	1.56
Cybertrust	337	0.11	298	0.10	11.78
Comodo Japan Inc.	298	0.10	306	0.10	-3.74
GTE Corporation	277	0.09	277	0.09	-1.16
T-Systems Enterprise Services GmbH	272	0.09	265	0.09	1.46
Secure Business Services, Inc.	266	0.09	240	0.08	9.55
Comodo CA Limited	231	0.08	181	0.06	26.15
Firstserver, Inc.	222	0.07	215	0.07	2.06
Kubota Systems Inc.	207	0.07	201	0.07	1.79
ChainedSSL	196	0.06	179	0.06	8.23
TDC	195	0.06	193	0.06	-0.13
OCC	181	0.06	165	0.06	8.43
CAcert Inc.	181	0.06	171	0.06	4.62
Plesk, Inc.	168	0.06	176	0.06	-5.65
FreeSSL	152	0.05	211	0.07	-28.79
Apache HTTP Server	150	0.05	153	0.05	-3.09
Akamai	149	0.05	153	0.05	-3.74
StartCom Ltd.	148	0.05	139	0.05	5.24
BlueHost.Com	148	0.05	144	0.05	1.59
Unizeto Sp. z o.o.	142	0.05	144	0.05	-2.53
Positive Software	141	0.05	141	0.05	-1.16
Digi-Sign Limited	141	0.05	135	0.05	3.24
NetLock Halozatbiztonsagi Kft.	138	0.05	129	0.04	5.74
Trusted Secure Certificate Authority	123	0.04	122	0.04	-0.35
RM	123	0.04	110	0.04	10.53
NTT Communications Corporation	113	0.04	110	0.04	1.54
GlobalSign Inc	112	0.04	110	0.04	0.64
Internet Widgits Pty Ltd	110	0.04	112	0.04	-2.92
ICS_TREE	109	0.04	109	0.04	-1.16
Ipswitch,Inc.	107	0.04	111	0.04	-4.72
Your Name Webhosting	103	0.03	103	0.03	-1.16
Digital Signature Trust Co.	97	0.03	94	0.03	2.00
Akamai Technologies Inc	93	0.03	85	0.03	8.15
CRU	88	0.03	88	0.03	-1.16
CNRS	88	0.03	89	0.03	-2.27
Plesk Inc.	87	0.03	91	0.03	-5.50
ICP-Brasil	84	0.03	84	0.03	-1.16
Deutsche Telekom AG	81	0.03	91	0.03	-12.02
IceWarp Software	79	0.03	79	0.03	-1.16
Default Web Site	77	0.03	72	0.02	5.71
Betrusted Japan Co., Ltd.	77	0.03	55	0.02	38.38
hosting	74	0.02	71	0.02	3.02
Thawte Certification	71	0.02	69	0.02	1.71
FNMT	70	0.02	70	0.02	-1.16
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH	69	0.02	65	0.02	4.93
MULTICERT-CA	63	0.02	64	0.02	-2.70
TBS INTERNET	61	0.02	54	0.02	11.66
Sun Microsystems Inc	61	0.02	59	0.02	2.19
United Network Communications Co., Ltd.	59	0.02	59	0.02	-1.16
My Company Ltd	59	0.02	54	0.02	8.00
Japan Certification Services, Inc.	59	0.02	59	0.02	-1.16
WebMoney Transfer	57	0.02	57	0.02	-1.16
Unicert Brasil Certificadora	56	0.02	53	0.02	4.44
TAIWAN-CA.COM	56	0.02	59	0.02	-6.18
Stunnel Developers Ltd	56	0.02	55	0.02	0.64
Sonera	56	0.02	56	0.02	-1.16
IceWarp Ltd.	56	0.02	55	0.02	0.64
Temp Certificate!	53	0.02	52	0.02	0.75
New Dream Network, LLC.	53	0.02	52	0.02	0.75
XYZ Corporation	52	0.02	51	0.02	0.78
InterWorx	50	0.02	50	0.02	-1.16
RegisterFly.com, inc.	48	0.02	41	0.01	15.72
WOI-TBD	45	0.01	45	0.02	-1.16
Prvni certifikacni autorita a.s.	45	0.01	45	0.02	-1.16
CsideNet	45	0.01	45	0.02	-1.16
"PositiveSoftwareCorporation"	44	0.01	41	0.01	6.08
Equifax Secure Inc	42	0.01	43	0.01	-3.45
Carnegie Mellon University	42	0.01	42	0.01	-1.16
University of Maryland	41	0.01	40	0.01	1.32
Linkopings universitet	40	0.01	38	0.01	4.05
NetArt	39	0.01	39	0.01	-1.16
Hostgator	39	0.01	0	0.00	N/A
E-Telbank Sp. z o.o.	39	0.01	38	0.01	1.45
University of Washington	38	0.01	0	0.00	N/A
SuSE Linux Web Server	38	0.01	40	0.01	-6.10
S1 Corporation	38	0.01	38	0.01	-1.16
AS Sertifitseerimiskeskus	38	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.