What is bluebugging

#GS-03 Internal Security, Science and Technology

Bluebugging:

Bluebugging is a hacking technique that lets someone get into your device through your discoverable Bluetooth connection.
Through bluebugging, a hacker could listen to your calls, read and send messages, and steal your contacts.
It started out as a threat for laptops with Bluetooth capability.
Later hackers used the technique to target mobile phones and other devices.
Bluebugging attacks work by exploiting Bluetooth-enabled devices.
The device’s Bluetooth must be in discoverable mode, which is the default setting on most devices.
The hacker then tries to pair with the device via Bluetooth.
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.
Bluebugging can happen whenever a Bluetooth enabled device is within a 10–metre radius of the hacker.
However, according to a blog by VPN service provider NordVPN, hackers can use booster antennas to widen the attack range.

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 are some of the ways to prevent bluebugging.
Most devices make Bluetooth discoverable by default, leaving your devices susceptible to unsolicited connections.
So, the first step would be to make your Bluetooth devices undiscoverable from Bluetooth settings.
Users must also watch out for suspicious activities on their devices.
Reset the device to its factory settings or uninstall any apps you don’t recognise.
If the amount of data used suddenly spikes beyond reason, someone could be controlling the device as part of a botnet that eats up data.
The new-age antivirus software are helping users to detect strange and spam-like content by filtering, blocking and consistently reminding people to be alert.

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