A memory apparatus and a method of wear-leveling of a memory apparatus may be provided. The memory apparatus may include a memory having a plurality of storage blocks and a plurality of free blocks. The memory apparatus may include a memory controller configured for performing a first global wear-leveling to move data of a first storage block, which is a hot block among the storage blocks, to a first free block among the free blocks. The memory apparatus may include a memory controller configured for remapping a result of a logic operation of a logical page address of each of the pages in the first storage block and a first security refresh key to a physical page address of each of the pages in the first free block.