The group has claimed responsibility for several attacks conducted over the Internet since 2009, most notably attacks against Baidu and Twitter.[6] The attack against Baidu resulted in the so-called Sino-Iranian Hacker War. In 2012, a group self-identified as "Parastoo" (Persian: پرستو - Swallow) hacked the International Atomic Energy Agency's servers: the Iranian Cyber Army is suspected of being behind the attack.[7]
In 2013, a general in the Islamic Revolutionary Guards stated that Iran had "the 4th biggest cyber power among the world's cyber armies", a claim supported by the Israeli Institute for National Security Studies.[8]
^"Iran creates 'Cyber Brigades' for online war". Al Arabiya. December 5, 2016. Al Arabiya.net has previously revealed in a special report published last September, the assassination of 35-year-old Tajik, the former commander of the 'Cyber Army' of the Ministry of intelligence after he was accused of spying and purveying security information to opposition activists of the 'Green Movement.' Tajik was also a member of the intelligence units of the Islamic Revolutionary Guard Corps (IRGC) and Quds Forces.