arXiv AI By Md Nahid Hasan Shuvo, Mahmudul Hassan Ashik, Moinul Hossain

FLINT: Fingerprinting Federated Learning Architectures from 5G PHY-Layer Side Channels

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arXiv:2607. 15469v1 Announce Type: cross Abstract: Federated Learning (FL) over 5G cellular networks protects raw data but remains vulnerable to side-channel leakage.

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FLINT: Fingerprinting Federated Learning Architectures from 5G PHY-Layer Side Channels

Federated Learning (FL) over 5G cellular networks protects raw data but remains vulnerable to side-channel leakage. Prior fingerprinting attacks assume packet-level network visibility, an assumption that does not hold at the 5G Physical (PHY) layer, where user payloads are encrypted and Radio Network Temporary Identifiers (RNTIs) may change over time.

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