The ISIS group has designated US Air Force installations here and South Korean citizens as targets for attacks, Seoul's state spy agency said Sunday. 
In a press release, the National Intelligence Service (NIS) said that the group incited attacks against them through Telegram, a messaging service, and revealed location data of 77 Air Force installations of the United States and North Atlantic Treaty Organization (NATO), and of individuals in 21 countries. 
The ISIS group, obtained the location data from its own hacking group, named the "United Cyber Caliphate," the spy agency explained. 
"While disseminating the location data of the installations and information on the individuals, (the group) incited (its sympathizers around the world) to retaliate for the benefit of Muslims," the NIS said, according to (Yonhap) news agency. 
Through the messaging program, the IS unveiled the locations of US Air Force units in Pyeongtaek, Gyeonggi Province, and Gunsan, North Jeolla Province, and of one employee of a South Korean welfare organization. 
The NIS said that it has told the US Forces Korea and South Korean military and police agencies to fend off potential terrorist attacks against these targets and provide sufficient protection for them, Yonhap reported.

Source: QNA