In a joint intelligence bulletin issued overnight by the FBI with the Department of Homeland Security, officials strongly urged those who serve in uniform to “scrub” their social media accounts of anything that might bring unwanted attention or scrutiny from “violent extremists” or would help the extremists learn individual service members’ identities.
“The FBI and DHS recommend that current and former members of the military review their online social media accounts for any information that might serve to attract the attention of ISIL [ISIS] and its supporters,” the federal bulletin sent to law enforcement agencies said, advising that troops “routinely exercise operational security in their interactions online.”
In one case the Facebook pages of an Air Force service member and his son were “swarmed” by offensive messages after Islamic State sympathizers urged followers to target them online.
See article: Air Force father, son targeted online by ISIS followers http://www.foxnews.com/politics/2014/10/07/source-air-force-father-son-targeted-online-isis/
In another incident the Army Threat Integration Center (ARTIC) issued a stark bulletin in October of 2014 warning service members that Islamic State members and sympathizers have been encouraged to scour social media profiles for military families, and then “show up [at their homes] and slaughter them
See related video: FBI Warns US Military About Social Media Vulnerabilities https://www.youtube.com/watch?v=QTBP177snBU
See also: Social Networking and the Military https://groundreport.com/social-networking-sites-and-the-military/#.VA4m78DJxto.twitter
See video: Social Media as it applies to Military OPSEC https://www.youtube.com/watch?v=u4mGX8csLds