The Cleaver group is once again in the headlines managing a well-developed network of fake LinkedIn profiles for cyber espionage purpose. The group used six so-called Leader profiles that have more than 500 profile connections and a number of Supporter personas what are less developed than for Leader personas. Security experts speculate that the Cleaver hackers have been created by the Iranian Government in in the wake of the Stuxnet attack against the nuclear facility in Natanz. The list of targets identified by the researchers at Cylance is very long and includes at least one military entity in the US by name, the Navy Marine Corps Intranet (NMCI) and organizations in several industries such as energy and utilities.”]
Source: http://securityaffairs.co/wordpress/40828/cyber-crime/iranian-cleaver-hackers-linkedin.html