Biddle emphasized in June 2003 that hardware vendors and software developers were vital to NGSCB. Microsoft publicly demonstrated NGSCB for the first time at WinHEC 2003, where it protected data in memory from an attacker; prevented access to—and alerted the user of—an application that had been changed; and prevented a remote administration tool from capturing an instant messaging conversation. Despite Microsoft's desire to demonstrate NGSCB on hardware, software emulation was required for as few hardware components were available. Biddle reiterated that NGSCB was a set of evolutionary enhancements to Windows, basing this assessment on preserved backward compatibility and employed concepts in use before its development, but said the capabilities and scenarios it would enable would be revolutionary. Microsoft also revealed its multi-year roadmap for NGSCB, with the next major development milestone scheduled for the Professional Developers Conference, indicating that subsequent versions would ship concurrently with pre-release builds of Windows Vista; however, news reports suggested that NGSCB would not be integrated with Windows Vista when release, but it would instead be made available as separate software for the operating system.