On Wednesday, members of the hacking community willing to give Microsoft a hand arrived at Redmond, Washington, to show the software giant where it"s gone wrong. This time the company"s latest Blue Hat conference, typically held twice a year, targeted mobile security, hardware hacking, Microsoft"s security tools, and the underground vulnerability economy. Microsoft began hosting these events two years ago as a way to foster dialogue between the company"s security team and external security researchers, many of whom have been critical of the company"s approach to security. The name Blue Hat derives from the Black Hat security conferences - the "Blue" part comes from the color of badges that Microsoft staffers wear on campus.