CS459/559 - Network Security - Chapter 15: Preventing Telephone Fraud

1. Cellular Awareness
   telecommunications fraud > $3.7 billion
   • Cellular Cloning duplication of cellular phone's electronic serial number (ESN)
     • lock the phone when it is not in use
     • Keep ESN secure
     • Check your cell phones thoroughly
     • Understand your provider's policy about charginf for fraudulant calls and find ouw what specific antifraud features they offer
   • Cellular Accounting
     might want to consider auditing software
     • unusually long calls
     • calls outside normal working hours
     • multiple calls to certain area unrelated to business
   • Protection Services (PINs, alarms for cloned telephones)
2. Cellular Future PCS (Personal Communication Services) [smart chip]
3. Internet Telephony