article_snippet: (CNN)An online group claiming affiliation with Islamic State terrorists has threatened American military members and (CNN)An online group claiming affiliation with Islamic State terrorists families in the past, and over the weekend, a new threat surfaced on the Web.
article_snippet: A group calling itself the Islamic State Hacking Division posted the names, photos and addresses of about 100 U.S. troops online, calling for attacks against about 100 U.S. troops.
article_snippet: The possibility of lone-wolf attacks in the United States, the type that this message calls for, is a threat officials take seriously.
article_snippet: It is believed that ISIS members and sympathizers have been scouring social media sites trying to glean as much information as possible about service members, and have even threatened the spouses of military personnel online.
article_snippet: In late November, the FBI issued a warning to U.S. military members that ISIS was calling for attacks against U.S. military members, a law enforcement source told CNN.
article_snippet: a law enforcement source said that "overseas based individuals are looking for like-minded individuals in U.S. to carry out these attacks.
article_snippet: a warning to U.S. military members that ISIS was calling for
article_snippet: attacks against them asked members of the military to "review members of the military online social media presence for any information that might attract the attention of violent extremists.
article_snippet: The bulletin also said authorities were concerned that ISIS members were "spotting and assessing" individuals in the United States who may be interested in carrying out attacks inside the country against members of the military, a U.S. counterterror official told CNN.
highlights_snippet: Group called Islamic State Hacking Division threatened U.S. troops .
  
highlights_snippet: It's not the first time online threats against military families have emerged on the Internet .