New technology has been developed in the USA to analyze employees’ emails in order to identify nefarious intent or activity. The Air Force Institute of Technology at Wright Patterson Air Force Base is carrying out research based on the assumption that individuals who have shown unusual interest in a sensitive topic are often the most likely to be an insider threat. The research was backed up by analysis of the emails transmitted during the ‘Enron’ affair.
Although there may be issues in some organizations with employee privacy – the technology may have future applications in detecting potential malicious activity.
http://www.continuitycentral.com/news03767.htm has more.