Threatened Domestic Attack on Service Members and Families by Islamic State a Direct Concern for Oath Keepers

“the brothers don’t need to attack them in military bases or secured buildings. they can now turn up in their houses. in their homes. this is war, what did you expect? u think u can bomb the islamic state and we don’t do nothing back? soon, very soon you will see.” [More]

You don't want to over-react. By the same token, you can't ignore the very real possibility that this is being officially down-played to cover for compromised systems.