Informants are the greatest fear of all clandestine organisations. The reason for this is that they are privy to sensitive information that can be used to damag

Informants are the greatest fear of all clandestine organisations. The reason for this is that they are privy to sensitive information that can be used to damage other members of the organisation. Read the links I posted. Read this analysis of evolving terrorist tradecraft: http://grugq.tumblr.com/post/61952592764/evolution-of-terrorist-training http://grugq.tumblr.com/post/61952592764/evolution-of-terror... Modern clandestine organisations use strict compartmentation to limit the information available to operatives so that informants have limited information. Examples of this exist even in the movies: http://grugq.github.io/blog/2013/03/11/opsec-lessons-from-resevoir-dogs/ http://grugq.github.io/blog/2013/03/11/opsec-lessons-from-re...