Wrapping a hotel key card in aluminum foil: What it can shield and what it cannot prevent
Wrapping hotel key cards in foil offers some protection against passive scans. However, this trick does not prevent advanced chip cloning techniques. Physical vulnerabilities in some hotel lock hardware also exist independently. Experts suggest that remote RF…
You've probably seen the trick online. Someone wraps a hotel key card in aluminum foil and throws it in a bag. It looks clever. It feels like a five-second fix for a real problem. But does it actuall… [+5084 chars]