#downgrade

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arXiv cs.CRSep 21, 2026

5G-Shark: A Network Security Auditor for 5G Subscriber Privacy and Unauthenticated Signalling Resilience

5G-Shark audit tool pulls 5G phones onto rogue cells via cell-reselection manipulation, exposing identifier linkability and downgrade flaws in commercial networks.

5g sdr

arXiv cs.CRSep 18, 2026

Transcript-Bound Combiners for Downgrade-Resilient Hybrid Post-Quantum Key Establishment: Definition, Proof, and Embedded-Device Cost

Researchers prove transcript-bound hybrid KEM combiners stop downgrade attacks, adding one hash and no extra messages.

post-quantum ml-kem

Stories tagged #downgrade

5G-Shark: A Network Security Auditor for 5G Subscriber Privacy and Unauthenticated Signalling Resilience

Transcript-Bound Combiners for Downgrade-Resilient Hybrid Post-Quantum Key Establishment: Definition, Proof, and Embedded-Device Cost