A client came back to me this morning saying one of their clients couldn't access the website because their security service was identifying it as a threat. I searched for the particular error, but ...
Can anyone think of a way of preventing an XP client from performing DNS lookups for external domains?
As usual, we're trying to tighten security even further in our organisation. The current focus for me is the possibility of a compromised XP client from using DNS lookups as a command/control channel ...
Is there a database or repository of the legitimate checksums for Microsoft system files? We think we have a 0day on DNS for Windows 2003 SP2 using IRC for command and control. (Latest McAfee does not ...