Before an attack can be planned, an aspiring terrorist group must be organized, funded and trained. Would-be terrorists in Libya, Yemen or Pakistan’s North Waziristan agency can achieve these things relatively easily. However, aspiring terrorists in New York, London and Paris encounter more difficulty. The recent arrests of such terrorists in the West, most recently the Sept. 15 arrest of a would-be jihadist in Chicago, show just how difficult it can be to find like-minded individuals to organize a terrorist cell.
Therefore, operational security is a critical skill that must be mastered to protect the fledgling organization from infiltration by law enforcement or intelligence agencies. Every person brought into the group decreases the group’s operational security. So the very existence of the group must remain hidden, and every new member must be thoroughly vetted to ensure they are not plants. As the organization matures and becomes involved in actual attacks, operational security will continue to be vitally important to the organization’s success and survival.