Researchers reveal a hotel keycard hacking technique that lets a hacker almost instantly open RFID-based Saflok locks used in ~3M doors across 13K properties (Andy Greenberg/Wired)

Andy Greenberg / Wired:
Researchers reveal a hotel keycard hacking technique that lets a hacker almost instantly open RFID-based Saflok locks used in ~3M doors across 13K properties  —  The company behind the Saflok-brand door locks is offering a fix, but it may take months or years to reach some hotels.