Spammers are turning a profit despite only getting one response for every 12.5m e-mails they send, finds a study.

After receiving the highest security rating by a National Security Agency (NSA)-run certification program, Green Hills Software has announced that its Integrity-178B operating system was certified as EAL6+ and that the company had spun off a subsidiary to market the OS to the private sector as well as government agencies.

Each binary is submitted for evaluation within 24hrs of our harvesting it live from the Internet. Each antivirus tool is only given this one attempt to detect the binary. Our intention is to evaluate how the antivirus tools are performing against the latest malware on the Internet, at least from the narrow vantage point of our honeynet.