What are RFID and NFC security risks?
D2 · Threats · CompTIA Security+ SY0-701RFID (Radio Frequency Identification) uses radio waves to identify tags (access cards, inventory, passports). NFC (Near Field Communication) is a short-range (≤4cm) RFID variant used for contactless payments and access cards.
Security risks:
📡 Eavesdropping — intercepting RFID/NFC communications
🔄 Cloning/skimming — copying card data to create a duplicate
📶 Relay attack — extending NFC range to fool readers (contactless payment fraud)
🚫 Jamming — blocking RFID signals
Security risks:
📡 Eavesdropping — intercepting RFID/NFC communications
🔄 Cloning/skimming — copying card data to create a duplicate
📶 Relay attack — extending NFC range to fool readers (contactless payment fraud)
🚫 Jamming — blocking RFID signals
RFID skimming is a real threat to contactless credit cards and access badges. Shielded wallets (Faraday pouches) block unauthorized RFID reads. Relay attacks are used to bypass contactless payment limits by relaying NFC signals across distance. Know RFID vs. NFC distinctions for the exam.