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	June 2006 Count	June 2006 %	May 2006 Count	May 2006 %	Growth %
Verisign	75,430	27.94	74,979	28.51	-1.99
Equifax (Geotrust)	56,184	20.81	52,562	19.99	4.13
Thawte	39,625	14.68	39,228	14.92	-1.59
Comodo Limited	18,161	6.73	18,983	7.22	-6.80
Starfield Technologies, Inc.	8,889	3.29	8,121	3.09	6.63
Unknown	5,426	2.01	5,137	1.95	2.90
AddTrust AB	5,127	1.90	4,875	1.85	2.46
Entrust.net	4,356	1.61	4,285	1.63	-0.96
SomeOrganization	3,101	1.15	3,144	1.20	-3.91
The USERTRUST Network	3,078	1.14	1,982	0.75	51.29
DigiCert Inc.	2,650	0.98	1,381	0.53	86.94
SWsoft, Inc.	2,483	0.92	2,296	0.87	5.36
Snake Oil, Ltd	2,040	0.76	2,012	0.77	-1.22
Network Solutions L.L.C.	1,672	0.62	1,435	0.55	13.51
XRamp Security Services Inc	1,609	0.60	1,548	0.59	1.26
U.S. Government	1,492	0.55	1,482	0.56	-1.92
TC TrustCenter for Security in Data Networks GmbH	854	0.32	830	0.32	0.24
IPS Certification Authority s.l.	836	0.31	805	0.31	1.17
Root CA	739	0.27	702	0.27	2.56
GlobalSign nv-sa	739	0.27	699	0.27	3.00
Betrusted Japan Co.,Ltd.	481	0.18	459	0.17	2.09
Positive Software Corporation	454	0.17	374	0.14	18.26
ChainedSSL	424	0.16	2,282	0.87	-81.90
ispgateway	290	0.11	280	0.11	0.90
FreeSSL	264	0.10	275	0.10	-6.48
Comodo Japan Inc.	245	0.09	213	0.08	12.06
GTE Corporation	231	0.09	231	0.09	-2.58
Deutsche Telekom AG	218	0.08	238	0.09	-10.77
Plesk, Inc.	193	0.07	220	0.08	-14.54
Akamai	192	0.07	185	0.07	1.11
Kubota Systems Inc.	179	0.07	177	0.07	-1.48
TDC	174	0.06	173	0.07	-2.02
Ipswitch,Inc.	155	0.06	159	0.06	-5.03
OCC	150	0.06	129	0.05	13.28
Apache HTTP Server	147	0.05	152	0.06	-5.78
Firstserver, Inc.	145	0.05	126	0.05	12.11
Positive Software	136	0.05	131	0.05	1.14
NetLock Halozatbiztonsagi Kft.	115	0.04	114	0.04	-1.72
Plesk Inc.	113	0.04	117	0.04	-5.91
Unizeto Sp. z o.o.	107	0.04	105	0.04	-0.72
Internet Widgits Pty Ltd	107	0.04	106	0.04	-1.66
ICS_TREE	104	0.04	93	0.04	8.94
Trusted Secure Certificate Authority	102	0.04	93	0.04	6.85
T-Systems Enterprise Services GmbH	100	0.04	69	0.03	41.19
RM	97	0.04	91	0.03	3.84
CAcert Inc.	96	0.04	80	0.03	16.91
StartCom Ltd.	95	0.04	84	0.03	10.18
Digital Signature Trust Co.	92	0.03	92	0.03	-2.58
GlobalSign Inc	89	0.03	91	0.03	-4.72
NTT Communications Corporation	87	0.03	81	0.03	4.64
CRU	87	0.03	92	0.03	-7.87
Thawte Certification	86	0.03	93	0.04	-9.91
CNRS	82	0.03	81	0.03	-1.38
IceWarp Software	80	0.03	88	0.03	-11.44
Secure Business Services, Inc.	79	0.03	47	0.02	63.75
Digi-Sign Limited	79	0.03	68	0.03	13.18
ICP-Brasil	74	0.03	70	0.03	2.99
BlueHost.Com	67	0.02	62	0.02	5.28
Your Name Webhosting	65	0.02	63	0.02	0.51
XYZ Corporation	64	0.02	65	0.02	-4.08
MULTICERT-CA	61	0.02	61	0.02	-2.58
Japan Certification Services, Inc.	60	0.02	59	0.02	-0.93
United Network Communications Co., Ltd.	59	0.02	59	0.02	-2.58
TAIWAN-CA.COM	57	0.02	56	0.02	-0.84
Default Web Site	57	0.02	49	0.02	13.33
WebMoney Transfer	55	0.02	54	0.02	-0.77
Stunnel Developers Ltd	55	0.02	54	0.02	-0.77
Equifax Secure Inc	54	0.02	56	0.02	-6.06
FNMT	53	0.02	53	0.02	-2.58
Sun Microsystems Inc	52	0.02	49	0.02	3.39
Hostgator	50	0.02	44	0.02	10.71
Temp Certificate!	47	0.02	45	0.02	1.75
SECOM Trust.net	46	0.02	0	0.00	N/A
My Company Ltd	46	0.02	42	0.02	6.70
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH	46	0.02	36	0.01	24.48
Carnegie Mellon University	43	0.02	41	0.02	2.17
University of Maryland	41	0.02	40	0.02	-0.14
Sonera	41	0.02	35	0.01	14.12
UniCERT Brasil Certificadora	40	0.01	41	0.02	-4.96
SCNC	40	0.01	40	0.02	-2.58
Stalker Software, Inc.	39	0.01	36	0.01	5.54
CsideNet	38	0.01	33	0.01	12.18
S1 Corporation	37	0.01	41	0.02	-12.08
"PositiveSoftwareCorporation"	37	0.01	30	0.01	20.15
SuSE Linux Web Server	36	0.01	38	0.01	-7.71
DFN-CERT Services GmbH	36	0.01	40	0.02	-12.32
Beocity	35	0.01	35	0.01	-2.58
University of Washington	34	0.01	34	0.01	-2.58
University of Helsinki	34	0.01	32	0.01	3.51
IceWarp Ltd.	34	0.01	34	0.01	-2.58
Etisalat	34	0.01	33	0.01	0.37
IT Bureau of Hainan Province	33	0.01	33	0.01	-2.58
Cisco Systems, Inc.	33	0.01	31	0.01	3.71
CFC	33	0.01	33	0.01	-2.58
Prvni certifikacni autorita a.s.	32	0.01	31	0.01	0.56
New Dream Network, LLC.	32	0.01	0	0.00	N/A
Audkenni hf.	32	0.01	33	0.01	-5.53
WEBMASTERS.COM	31	0.01	31	0.01	-2.58
HostGator	31	0.01	31	0.01	-2.58
E-Telbank Sp. z o.o.	30	0.01	32	0.01	-8.67

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.