Vendors list:
Akamai, state of the internet report, (pdf)
Arbor, Network Infrastructure Security Report 2010, (pdf)
Blue Coat, 2011 Web Security Report, (pdf)
Cisco 2010 Annual Security Report, (pdf)
Damballa Top 10 Botnet threat Report, (pdf)
GFI Labs, 2010 report on Fake Security Products, (details)
GFI Labs, 2010 report on Fake Security Products, (details)
Mcafee, A Good Decade for cybercrime, report, (pdf)
Message Labs 2010 Annual Report, (pdf)
PandaLabs 2010 Annual Report, (pdf)
PandaLabs, The Cyber-Crime Black Market: Uncovered, (pdf)
Symantec Report on Attack Kits, and Malicious Websites, (pdf)
Symantec 2010 end-of-year report, (pdf)
Symantec, 2010 US Cost of Data Breach, (pdf)
Trustwave 2011 global security report, (pdf)
Barracoda Labs 2010 report, (pdf)
HP TippingPoint 2010 report, (pdf)
IBM X-Force 2010 report, (pdf)
McAfee, Underground Economies, (pdf)
Government List: