Via Dush.
Apple AirTag, Apple tout court, machin connecté, et bien sûr Android... un service sympa: oups, où que j'lai posé/oublié ?
Oui mais ... pour que ce service soit performant, genre "dans l'immeuble bidule", c'est un peu "vague", il faut bien que ces devices se géolocalisent plus précisément, genre (j'extrapole hein, pas sûr que ça n'existe) triangulation entre un appareil Apple pas loin, un routeur Wifi (pas le votre), l'oreillette BT sur un passant, etc. Et là, ça peut poser quelques question sur "Person of Interest" mais dans la vie.
La même chose plus ou moins chez Android tantôt: How Find My Device protects your data @support.google.com
Both Apple and Google operate their own Wi-Fi-based Positioning Systems (WPS) that obtain certain hardware identifiers from all wireless access points that come within range of their mobile devices. Both record the Media Access Control (MAC) address that a Wi-FI access point uses, known as a Basic Service Set Identifier or BSSID.
Ce genre de liste, je suppose, risque de s'étoffer...
UMD Associate Professor David Levin and Ph.D student Erik Rye found they could mostly avoid requesting unallocated BSSIDs by consulting the list of BSSID ranges assigned to specific device manufacturers. That list is maintained by the Institute of Electrical and Electronics Engineers (IEEE), which is also sponsoring the privacy and security conference where Rye is slated to present the UMD research later today.