Secure SoC architects and designers favor embedded flash for the strong security it enables. However, when considering the overall system costs and limitations inherent to eFlash design, one finds great benefit in using external flash. External flash, on the other hand, carries a hefty security price tag, one which is almost impossible to mitigate. Here is where secure flash comes into the picture. Secure Flash combines the benefits of an external flash device with high security level which allows meeting the goals of security, flexibility, budget, and regulation.