Bluetooth Addresses & Privacy in Bluetooth Low Energy

Like a MAC address for LAN-connected devices, Bluetooth devices also have an identity address associated with each device. Understanding how Bluetooth addresses work is crucial for every BLE developer, especially when device privacy is a concern. So, what is a Bluetooth Address? A Bluetooth address sometimes referred to as a Bluetooth MAC address, is a…

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Understanding the “SweynTooth” BLE Vulnerabilities

About two weeks ago (February 11, 2020), a group of Singaporean researchers released a group of vulnerabilities discovered in quite a few BLE vendor SDKs. They named the group of vulnerabilities “SweynTooth“. Here’s their explanation: The insight behind the name SweynTooth arrives from Sweyn Forkbeard, the son of King Harald Bluetooth (after whom the Bluetooth…

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