In 2007, Microsoft released officially to the public Windows Vista and is about to release
in October 2009 Windows seven. Although, the graphical user interfaces look impressive,
both operating systems are still vulnerable to malware or system hacking. A very simple
example is the ‘the sticky key backdoor’, one of Vista’s vulnerabilities. Vinoo Thomas, a
McAfee researcher, in 2007 released a blog online informing the public about the Sticky
Keys vulnerability. Vista apparently does allow the modification of sethc.exe file (located
at: C:/windows/system32/sethc.exe) and no integrity checks are performed before