Importance

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Abstract

A memory system includes a main memory, a sub-memory, a controller, first and second data readers and a comparator. The main memory stores data and the sub-memory stores data extracted from the data stored in the main memory for detection of an attack. The controller controls operations of the memory system through interfacing with a host. The first data reader is configured to read first data from the main memory based on address information from the controller. The second data reader is configured to store information relating to second data stored in the sub-memory and to read the second data from the sub-memory based on address information from the controller which is the same as the address information received by the first data reader. The comparator compares the first data read by the first data reader with the second data read by the second data reader to detect the attack.

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First Claim