Archived from groups: alt.cellular.sprintpcs (More info?
> The attack is simple, according to Bob Egan of
> MobileCompetency.com, who wrote the report. Most cell
> phone providers offer a service called "skip passcode,"
> which allows mobile subscribers to enter their cell phone
> voicemail and select other administrative options without
> entering a numeric password. Callers are sometimes told
> the service is safe, because cell phone providers ensure
> the call is initiated from the handset owned by the
> consumer -- making the password unnecessary.
> But Eagan discovered that services use caller ID to
> authenticate the cell phone, and months ago, hackers
> learned how to spoof, or "trick" the caller ID system.
> Using such a service, a hacker can dial the mobile account
> holder's telephone system and immediately access their
> voice mail and other services.
Why would they be so interested in a french hotel's phone