Prepaid Calling Cards and Terrorism: Where Did All The

Does that necessarily mean that there are no terrorist communications happening, or does it simply mean that terrorists have found other effective ways to get their twisted plots across continents? The advent of prepaid calling cards and the proliferation of Voice over IP telephony have made mobile phones almost irrelevant.

In a case study, a prominent telecom company A discovered that several thousand dollars worth of phone time had been purchased using stolen credit cards. Despite extremely heavy security, this company still succumbed to the effective measures of people who were clearly bent on obtaining airtime. The subsequent tracking of IP