I picked up an interesting story over at Neowin entitled “Vista’s Security Rendered Completely Useless by New Exploit” which reports on a new technique hat can “bypass all memory protection safeguards that Microsoft built into Windows Vista.”
The researchers were able to load whatever content they wanted into any location they wished on a user’s machine [...]
Game Over For Windows Vista’s Security?
Windows Integrity Levels for extra security in Windows Vista
Microsoft build in a system called Windows Integrity Controls into Windows Vista which is basically a label for files with that identify its trustworthiness. What makes them interesting is the fact that they override the visible permissions of a file or folder. Six levels of trust can be assigned to files of the same or a lower permission level. Meaning that a normal user is not able to change the integrity level of a file that he has no permission for.
