Imagine your access card wasn’t stolen — it was replayed. This explainer walks cybersecurity students through Wireless Replay Attacks: how attackers capture Wi‑Fi handshakes, RFID/NFC, Bluetooth and key‑fob signals, then retransmit them to gain access without cracking encryption. Learn why encryption alone fails unless systems use nonces, timestamps, session tokens, sequence numbers or challenge‑response, and how modern protocols (WPA3, TLS, Kerberos) defend against replay threats. Perfect for exam prep and practical understanding of captured traffic, reused authentication packets, and wireless environments. If this helped, please like and share the video.
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