IMSI Catcher detector
Movies
http://mirror.fem-net.de/CCC/26C3/mp4/26c3-3608-en-playing_with_the_gsm_rf_interface.mp4
http://ftp.halifax.rwth-aachen.de/CCC/27C3/mp4-h264-HQ/27c3-4208-en-wideband_gsm_sniffing.mp4
http://ftp.halifax.rwth-aachen.de/CCC/28C3/mp4-h264-HQ/28c3-4688-en-introducing_osmo_gmr_h264.mp4
http://mirror.fem-net.de/CCC/26C3/mp4/26c3-3535-en-using_openbsc_for_fuzzing_of_gsm_handsets.mp4
http://mirror.fem-net.de/CCC/26C3/mp4/26c3-3654-en-gsm_srsly.mp4