Before hackers became a media fixture, there was a time when phreakers were all the rage and abusing CCITT#5 phone switches was open to anybody with a blue box. As most Telcos upgraded their equipment to support the new, out-of-band, digital SS7 signaling protocol, blue boxing was slowly but surely phased out. Phreakers went legit or quiet. The Internet and its lot of script kiddies became the center of interest.Is phreaking dead? We beg to differ!This presentation will focus on advanced phreaking techniques for the 21st century warrior. After a short presentation of current digital telecommunications network (with a focus on GSM/GPRS/EDGE and CDMA/3G) we will study how each element can be compromised for fun and profit. Nothing will be left untouched: