Security · 1h ago
RFID Skimming Threat: Real for Badges, Low for Cards
Contactless payment cards use per-transaction cryptograms that make passive skimming largely ineffective, while biometric e-passports require prior optical scan to unlock. The real vulnerability lies in legacy building access badges and transit cards that use static ID numbers with no cryptographic challenge. RFID-blocking wallets offer little protection against the most realistic threats.
Meridian48 take
The article correctly distinguishes between card types, but the retail market for RFID-blocking products thrives on conflating them, so this nuance is worth emphasizing.
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RFID Skimming: How Real Is the Threat to Your Contactless Cards →
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