27c3: Wideband GSM Sniffing (en)
Why the open web links it
Discusses vulnerabilities in GSM encryption and methods for sniffing and attacking GSM networks.
Linked by 4 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including hackaday.com, abclinuxu.cz, elladodelmal.com, die-flaschenpost.de.