The official communication network of the Al-Qrd al-Hassan Association seems not to be too sophisticated: The vulnerability of one important entity in this network is obviously: Presumably there is a more clandestine way of communication inside this organisation...
"Information at best will always be in some part fragmentary, obsolete, and ambiguous." (Armstrong, Willis C. (et al.): The Hazards of Single-Outcome Forecasting, in: Westerfield Bradford, H. (Ed.), Inside CIA's private world, Yale 1995, p. 242)