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	September 2007 Count	September 2007 %	August 2007 Count	August 2007 %	Growth %
Verisign	80,709	22.53	80,292	22.86	-1.46
Equifax (Geotrust)	79,159	22.10	76,625	21.82	1.28
Thawte	46,494	12.98	46,303	13.18	-1.56
Comodo Limited	29,641	8.27	30,058	8.56	-3.33
Starfield Technologies, Inc.	13,043	3.64	13,567	3.86	-5.75
GoDaddy.com, Inc.	10,046	2.80	8,033	2.29	22.60
DigiCert	9,945	2.78	9,419	2.68	3.51
Unknown	8,711	2.43	8,539	2.43	0.01
Network Solutions L.L.C.	4,804	1.34	4,482	1.28	5.08
Entrust.net	4,136	1.15	4,067	1.16	-0.30
SWsoft, Inc.	3,420	0.95	3,361	0.96	-0.25
AddTrust AB	3,315	0.93	3,373	0.96	-3.65
SomeOrganization	3,314	0.93	3,300	0.94	-1.55
XRamp Security Services Inc	2,002	0.56	2,060	0.59	-4.73
Comodo CA Limited	1,950	0.54	1,702	0.48	12.32
Snake Oil, Ltd	1,863	0.52	1,891	0.54	-3.42
SECOM Trust.net	1,795	0.50	1,734	0.49	1.48
GlobalSign nv-sa	1,490	0.42	1,233	0.35	18.47
U.S. Government	1,442	0.40	1,414	0.40	-0.02
IPS Certification Authority s.l.	1,423	0.40	1,352	0.38	3.18
Root CA	1,203	0.34	1,163	0.33	1.41
Cybertrust	1,129	0.32	988	0.28	12.02
TC TrustCenter for Security in Data Networks GmbH	1,057	0.30	1,060	0.30	-2.24
Akamai Technologies Inc	1,028	0.29	971	0.28	3.79
Secure Business Services, Inc.	934	0.26	838	0.24	9.26
Betrusted Japan Co., Ltd.	740	0.21	643	0.18	12.82
SecureTrust Corporation	690	0.19	550	0.16	22.99
Earthlink Inc	530	0.15	538	0.15	-3.42
T-Systems Enterprise Services GmbH	442	0.12	425	0.12	1.96
ispgateway	440	0.12	436	0.12	-1.07
CAcert Inc.	440	0.12	396	0.11	8.93
Positive Software Corporation	377	0.11	435	0.12	-15.04
COMODO CA Limited	354	0.10	314	0.09	10.52
GTE Corporation	333	0.09	325	0.09	0.45
Firstserver, Inc.	321	0.09	303	0.09	3.86
p1atin.de	292	0.08	234	0.07	22.33
Unizeto Sp. z o.o.	283	0.08	276	0.08	0.52
OCC	278	0.08	265	0.08	2.84
Betrusted Japan Co.,Ltd.	265	0.07	306	0.09	-15.10
Firstserver, Inc	261	0.07	259	0.07	-1.21
TDC	229	0.06	223	0.06	0.67
BlueHost.Com	216	0.06	207	0.06	2.30
StartCom Ltd.	209	0.06	202	0.06	1.43
RegisterFly.com, inc.	191	0.05	184	0.05	1.76
Trusted Secure Certificate Authority	189	0.05	177	0.05	4.68
Digi-Sign Limited	189	0.05	186	0.05	-0.39
NetLock Halozatbiztonsagi Kft.	187	0.05	180	0.05	1.85
Internet Widgits Pty Ltd	158	0.04	117	0.03	32.39
Comodo Japan Inc.	156	0.04	177	0.05	-13.60
Your Name Webhosting	154	0.04	147	0.04	2.70
RM	143	0.04	134	0.04	4.62
TBS INTERNET	141	0.04	133	0.04	3.93
Apache HTTP Server	137	0.04	136	0.04	-1.25
Positive Software	127	0.04	116	0.03	7.33
Plesk, Inc.	126	0.04	131	0.04	-5.71
Sonera	120	0.03	115	0.03	2.30
CNRS	114	0.03	107	0.03	4.45
GlobalSign Inc	107	0.03	113	0.03	-7.17
ICP-Brasil	103	0.03	100	0.03	0.97
ChainedSSL	101	0.03	102	0.03	-2.93
FNMT	99	0.03	96	0.03	1.10
ICS_TREE	97	0.03	101	0.03	-5.85
Digital Signature Trust Co.	97	0.03	93	0.03	2.25
Default Web Site	96	0.03	83	0.02	13.39
thawte, Inc.	88	0.02	75	0.02	15.03
My Company Ltd	88	0.02	84	0.02	2.70
WebSpace-Forum, Thomas Wendt	87	0.02	79	0.02	7.96
FreeSSL	87	0.02	90	0.03	-5.23
WTF ALFA	82	0.02	0	0.00	N/A
Sun Microsystems Inc	81	0.02	79	0.02	0.52
MULTICERT-CA	81	0.02	77	0.02	3.13
Ipswitch,Inc.	79	0.02	84	0.02	-7.80
GlobalSign	79	0.02	0	0.00	N/A
New Dream Network, LLC.	76	0.02	74	0.02	0.68
A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH	76	0.02	73	0.02	2.06
Unicert Brasil Certificadora	75	0.02	74	0.02	-0.64
TAIWAN-CA.COM Inc.	75	0.02	72	0.02	2.12
CRU	75	0.02	74	0.02	-0.64
IceWarp Software	74	0.02	78	0.02	-6.99
NTT Communications Corporation	72	0.02	81	0.02	-12.86
Plesk Inc.	68	0.02	65	0.02	2.56
Temp Certificate!	67	0.02	68	0.02	-3.41
CsideNet Co.,Ltd.	66	0.02	0	0.00	N/A
WebMoney Transfer	65	0.02	65	0.02	-1.97
InterWorx	64	0.02	55	0.02	14.08
XYZ Corporation	58	0.02	57	0.02	-0.25
Apache Friends	57	0.02	56	0.02	-0.22
Japan Certification Services, Inc.	56	0.02	57	0.02	-3.69
Thawte Certification	52	0.01	57	0.02	-10.57
"PositiveSoftwareCorporation"	52	0.01	50	0.01	1.96
Postecom S.p.A.	50	0.01	48	0.01	2.12
University of Maryland	49	0.01	49	0.01	-1.97
Cybertrust Inc	49	0.01	0	0.00	N/A
Linkopings universitet	48	0.01	48	0.01	-1.97
HDE	47	0.01	43	0.01	7.15
Etisalat	46	0.01	44	0.01	2.49
Carnegie Mellon University	46	0.01	45	0.01	0.21
AS Sertifitseerimiskeskus	46	0.01	44	0.01	2.49
University of Washington	45	0.01	48	0.01	-8.09
Cisco Systems, Inc.	45	0.01	47	0.01	-6.14

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.