DoS on Anti Collision Attacks







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Any modern RFID system supports multiple tags within the operational range of a single reader. Thus, the respective RFID protocol needs to provide a singulation mechanism by which the reader can enumerate the available tags and activate/deactivate any single tag within range. The singulation mechanism is also often called anticollision.

If an attacker can transmit a specifically crafted signal to the reader during anticollision, he or she can implement a DoS against the reader by simulating an unlimited number of tags within range. The details of this attack are very specific to the respective protocol, but almost all RFID anti-collision systems have a possible attack vector.

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