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@adamhotep@infosec.exchange
2025-07-23 16:16:19

#WhoFi: It is now possible to track people based on how their bodies (without devices!) block wifi signals
theregister.com/2025/07/22/who

A diagram from the preprint. On the left, a green person labeled "Input Signal" has a right arrow pointing to the Encoder, a series of red bars narrowing in scope, connected to the Signature Model, which takes those as blue dots and points to a small teal bar labeled "S". Finally, this teal bar has a right line labeled "l²-norm" that points at a red person with a background image of a giant fingerprint