Context: Several smartphones have their Bluetooth settings on discovery mode as it is a default setting, making it easy for hackers to access the phones when they are within 10 metres from the device. This is done through a process called Bluebugging.

About Bluebugging

• It is a form of hacking that lets attackers access a device through its discoverable Bluetooth connection. 

• Once a device or phone is bluebugged, a hacker can listen to the calls, read and send messages and steal and modify contacts.

• Bluebugging attacks work by exploiting Bluetooth-enabled devices. 

• Once a connection is established, hackers can use brute force attacks to bypass authentication. They can install malware in the compromised device to gain unauthorised access to it.  

• Once hacked, the attacker can make and listen to calls, read and send messages, and modify or steal your contacts.

• Any Bluetooth-enabled device including wireless earbuds are susceptible to such hacks.

• Bluebugging can happen whenever a Bluetooth enabled device is within a 10-metre radius of the hacker. Hackers can also use booster antennas to widen the attack range.

Which devices are susceptible to Bluebugging? 

• Any Bluetooth-enabled device can be bluebugged. Wireless earbuds are also susceptible to such hacks. Apps that enable users to connect to their TWS (True Wireless Stereo) devices or earbuds can record conversations.

How can one prevent bluebugging?

• Turning off Bluetooth and disconnecting paired Bluetooth devices when not in use,

• Updating the device’s system software to the latest version, 

• Limited use of public Wi-Fi and 

• Using VPN as an additional security measure.

• Monitor data usage for sudden spikes.