Caller-ID Name Disclosure

• Vulnerability:

• • Caller-ID Information can be spoofed
  • PSTN switches add name information to Caller-ID

• Attack:

• • Set your Caller-ID to the number you want to identify
  • Call yourself so that the path of your call routes through the PSTN
  • Receive the Caller-ID information which will have the name associated with the number

• Effect:

• • Phone Number to Name Lookup
  • Disclosure of potentially unlisted information