iPhones don’t really turn off Bluetooth if you go through Control Center, here’s how

taking statements from participants Impromptu notifications on their iPhone during Def Con The number of researchers named is increasing day by day. Jae Bochs explains troubles. These messages appearing on the screens of smartphones, Bluetooth connections lostit actually came from a device developed to prove that the security of the Bluetooth protocol is not fully guaranteed, as many researchers have pointed out over the years.

The sender of these impromptu messages on the conference iPhones first wanted to make the speakers laugh with about fifteen notifications with ridiculous texts like “Transfer your phone number” or even “Adjust your color balance”. But beyond the comic effect, Mr. Bochs” remind people to “really turn off” Bluetooth, i.e. from settings, not control center “.

This Hacker Can Send You System Notifications Even If Your Bluetooth Is Lost

To achieve their goal and distribute these notifications to all iPhones in the conference, our team had to play with the soldering iron and keyboard. Thus, it produced a device based on the Raspberry Pi Zero 2 W, equipped with antennas and a Bluetooth adapter. Second, the userEmulate the Bluetooth Low Energy (BLE) protocol used by Apple to exchange data over short distances between the brand’s devices.

Fear not for those attending Def Con, the hacker claims that it “didn’t collect any data, only sent BLE ad packets that didn’t require pairing (and were therefore not stopped by the switch in the Control Center)”. . The inventor says he wants to hack iOS 17’s NameDrop functionality with the same device and “probably do something similar for Android.”