Collaborate Disseminate
In the “official” Bluetooth blog, they talk about the BLE pairing mechanism, and how during phase 2 (authentication) the exchange of keys are used to protect against MITM attacks. I don’t see how that is possible.
If the at… Continue reading Bluetooth Low Energy (BLE) and Man-in-the-Middle attacks?
I’m thinking about man-in-the-middle attacks on a BLE connection … normally when people talk about MITM attacks it’s a separate device that sits between the mobile phone/tablet and the BLE device, which immediately limits its effectivene… Continue reading Intercepting Bluetooth LE communication with an app on the same mobile device
crackle is a tool to crack Bluetooth Smart Encryption (BLE), it exploits a flaw in the pairing mechanism that leaves all communications vulnerable to decryption by passive eavesdroppers. crackle can guess or very quickly brute force the TK (temporary k… Continue reading crackle – Crack Bluetooth Smart Encryption (BLE)
Tools like nmap are able to identify the make of a device based on it’s hardware address. Is there a tool, or some kind of a reference to identify the make of a Bluetooth Low Energy device based on its hardware address?
… Continue reading Is it possible to find the manufacturer of a BLE device from it’s hardware address?
I am delivering a lecture on Cyber-safety Basics. I want to start off a lecture by involving the audience to get their attention.
Example: I want to ask everyone to connect their cell phones to a Wifi hotspot and then get in… Continue reading Can I start off Cyber Safety seminar by stunning the audience, like getting into their phone’s Wifi/Bluetooth to access a folder and show them?
I’m using my cellphone to connect my laptop to the web.
I think connecting my cellphone to my laptop with a USB cable would be the safest connection but if I go wireless, is it safer to connect to my cellphone with Bluetooth tethering or w… Continue reading Security of Bluetooth tethering vs. Wi-Fi hotspot
I’m using my cellphone to connect my laptop to the web.
I think connecting my cellphone to my laptop with a USB cable would be the safest connection but if I go wireless, is it safer to connect to my cellphone with bluetooth… Continue reading Security of bluetooth tethering vs. wifi hotspot
I am preparing a project for a client. It is a wireless device to be used inside a factory so the workers can interact with the factory without having to go to a terminal. In order to connect the device to the system easily I… Continue reading Security of Wi-Fi vs Bluetooth
In a previous episode of Hackaday, [Rich Olson] came up with a new no-etch circuit board fabrication method. And now, he’s put it to the test: building an nRF52 Bluetooth reference design, complete with video, embedded below.
The quick overview of [Rich]’s method: print out the circuit with a laser printer, bake a silver-containing glue onto the surface, repeat a few times to get thick traces, glue the paper to a substrate, and use low-temperature solder to put parts together. A potential drawback is the non-negligible resistance for the traces, but a lot of the time that doesn’t matter and …read more
Continue reading No-Etch: The Proof in the Bluetooth Pudding
Many tools can be used either for good or for evil — it just depends on the person flipping the switch. (And their current level of mischievousness.) We’re giving [Callan] the benefit of the doubt here and assuming that he built his remote-controlled Residual Current Device (RDC) tripper for the purpose of testing the safety of the wiring in his own home. On the other hand, he does mention using it to shut off all the power in his house during an “unrelated countdown at a party”. See? Good and evil.
An RCD (or GFCI in the States) is a …read more
