Bluetooth Unleashed: Syncing Up with the RattaGATTa Series! Part 1 | Grey Noise Blog

Summary: GreyNoise Labs published the first installment of its "RattaGATTa: Scalable Bluetooth Low-Energy Survey" series, which covers BTLE device identification, connection protocols, custom hardware design, and rate-limiting algorithms. The work grew out of an effort to locate a lost Fitbit using BTLE and developed into a system for identifying and cataloging BTLE devices.
Key Takeaway: BTLE surrounds organizations invisibly, and the post notes the difficulty of measuring its security impact - the survey work aims to produce quantitative and qualitative measures where none are readily available.

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