Financial institutions should rundetection rules and an analysis tool, as well as update patches in content management systems, according to Michael E.
Create a Mechanical Turk-ready script and have a real person contact every affected Flashback user to walk them through the detection and removal of it, run Software Update and add ClamXav.
In America there is already a military system to spot GPS interference: the GPS Jammer Detection and Location (JLOC) system run by the National Geospatial Intelligence Agency.