Digital detective Bluetooth
Short summary:
Bluetooth. BlueSnarf. BlueBug. Mobile Phone Hacking. a b s t r a c t ... This paper looks at the currently known Bluetooth security issues, ...
Long summary:
in order to follow a specific Bluetooth â â conver-
sationâ â , one would have to effectively become a member of
the piconet and follow the same hopping sequence.
Bluetooth currently comes in three â â classesâ â , determined
by their radio transmitterâ s power, which, for descriptive pur-
poses, is normally translated into a nominal â â rangeâ â value,
the lowest being a â â Class 3â â device, with a nominal range of
10 m. â â Class 2â â and â â Class 1â â devices are 40 and 100 m, re-
spectively. With a specialist antenna, it has been shown that
this range can be extended to over a mile in ideal conditions Operationally, Bluetooth can be thought of simply as a con-
duit through which services are provided, so, for example, if
a device has a file transfer or â â ftpâ â facility, normally activated
by placing it in a cradle attached to a PC, this could also be
accessed via Bluetooth without having to use the cradle. Now
this is where the security issues start to come to light â in the
original scenario where a device had to be place in a cradle,
there was an implicit â â trustâ â between the two devices: since
the device had to be physically in the possession of the owner
of the cradle, it could be reasonably assumed that they were
authorised to connect to it, and no further security was really
deemed necessary. In the case of Bluetooth, since the connec-
tion could potentially take place without the device having left
the ownerâ s pocket, a layer of authorisation and/or authentica-
tion needed to be put in place, even if only to prevent the acci-
dental connection
Source: www.elsevier.com
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