@inproceedings {268901, author = {Matt Blaze}, title = {Signaling Vulnerabilities in Law Enforcement Wiretapping Systems}, booktitle = {15th USENIX Security Symposium (USENIX Security 06)}, year = {2006}, address = {Vancouver, B.C. Canada}, url = {https://www.usenix.org/conference/15th-usenix-security-symposium/signaling-vulnerabilities-law-enforcement-wiretapping}, publisher = {USENIX Association}, month = jul }