This is the best summary I could come up with:
One morning two weeks ago, security researcher Jeroen van der Ham was traveling by train in the Netherlands when his iPhone suddenly displayed a series of pop-up windows that made it nearly impossible to use his device.
The culprit, it turned out, was using a Flipper Zero device to send Bluetooth pairing requests to all iPhones within radio range.
People can use it to covertly change the channels of a TV at a bar, clone some hotel key cards, read the RFID chip implanted in pets, open and close some garage doors, and disrupt the normal use of iPhones.
The $200 Flipper Zero isn't an SDR in its own right, but as a software-controlled radio, it can do many of the same things at an affordable price and with a form factor that’s much more convenient than the previous generations of SDRs.
“The jig is up: software radios have made previously inaccessible attacks available to many more people than before, and work on them will continue,” Dan Guido, CEO of security firm Trail of Bits, wrote in an interview.
The Flipper Zero manufacturer bills the device as a “portable multi-tool for pentesters and geeks” that’s suitable for hacking radio protocols and building access control systems, troubleshooting hardware, cloning electronic key cards and RFID cards, and for use as a universal TV remote.
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