CompTIA Security+ Exam Prep

Answer: A - Bluetooth wireless technology is a portion of the 802.15 standard and has a transfer rate of 1-to-3 Mbps within a ten meter range. Real security risks exist when transferring unprotected data via Bluetooth in a public area because any device within a certain range can capture this type of transfer. An additional risk is called “Bluejacking.” Bluejackers look for a receiving device and then send a message to it. Often, the Bluejacker is trying to send someone else their business card, which will be added to the victim’s contact list in their address book. To determine where the Bluejacker is, just look around you since the range is only ten meters. The countermeasure is to put the Bluetooth-enabled device into non-discoverable mode so others cannot identify this device in the first place.