According to specialists at CERT, a wide range of Bluetooth-enabled devices have a serious security vulnerability and it's not limited to just smartphones either - PCs, tablets and other devices need a fix ASAP. The issue resides within the data encryption process when information is transferred from one device to another. There's a missing check in the keys (Diffie-Hellman key exchange), so a hacker who's within Bluetooth range can intercept basically all the data that's being transferred. That includes not only notifications but also security codes for two-factor...
Source: https://www.gsmarena.com/apple_and_android_smartphones_are_found_to_have_serious_bluetooth_vulnerability-news-32436.php
