S. M. Bellovin, M. Blaze, W. Diffie, S. Landau, P. G. Neumann and J. Rexford, “Risking Communications Security: Potential Hazards of the Protect America Act,” in IEEE Security & Privacy, vol. 6, no. 1, pp. 24-33, Jan.-Feb. 2008, doi: 10.1109/MSP.2008.17.
A new US law allows warrantless wiretapping whenever one end of the communication is believed to be outside national borders. This creates serious security risks: danger of exploitation of the system by unauthorized users, danger of criminal misuse by trusted insiders, and danger of misuse by government agents.