 Microsoft notes, "It is possible to detect attempts to elude a security monitoring solution with such techniques, but it is challenging to do so because many of the same events that can occur during an attempt to cover the tracks of intrusive activity are events that occur regularly on any typical business network".As Benton points out, one way of preventing successful attacks is security through obscurity.Keeping the IT department's security systems and practices confidential helps prevent users from formulating ways to cover their tracks.