On Jan 13, 2010, at 5:26 PM, mshel...@cox.net wrote:
> From a single detection of one hostile email you can often expand the picture
> to many mail recipients. A little open source research identifies the common
> community the recipients belong to. It's pretty straight forward.
>
The magic phrase is "traffic analysis" -- look at the accounts of known targets
of interest, and see the usernames, IP addresses, etc., of their
correspondents. Recurse as needed.
--Steve Bellovin, http://www.cs.columbia.edu/~smb
