15 Jan
2010
15 Jan
'10
5:27 p.m.
On 1/14/10 12:31 AM, Steven Bellovin wrote:
On Jan 13, 2010, at 5:26 PM, msheldon@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.
I am unsure about the term straight-forward, as even the easy cases take a lot of time. Gadi
--Steve Bellovin, http://www.cs.columbia.edu/~smb
-- Gadi Evron, ge@linuxbox.org. Blog: http://gevron.livejournal.com/