Title :
Signaling vulnerabilities in wiretapping systems
Author :
Sherr, Micah ; Cronin, Eric ; Clark, Sandy ; Blaze, Matt
Author_Institution :
Pennsylvania Univ., USA
Abstract :
Many law enforcement wiretap systems are vulnerable to simple, unilateral countermeasures that exploit the unprotected in-band signals passed between the telephone network and the collection system. This article describes the problem as well as some remedies and workarounds.
Keywords :
computer crime; legislation; telecommunication security; telephony; in-band signal; law enforcement wiretap system; telephone network; Authorization; Communication system security; Computer security; Information analysis; Information security; Intelligent networks; Law enforcement; Legal factors; Privacy; Telephony; CALEA; FISA; Title III; privacy; signal processing; wiretap; wiretapping;
Journal_Title :
Security & Privacy, IEEE
DOI :
10.1109/MSP.2005.160
