For many years, Intel has worked with the technology ecosystem to strengthen protections for operating systems and software via hardware-enhanced security. As each protection comes into effect, adversaries inevitably attempt to bypass them. For instance, Intel® Advanced Encryption Standard New Instructions (Intel® AES-NI) greatly reduced the overhead associated with encryption processing and enabled near-ubiquitous encryption of stored data. Unable to read data at-rest, attackers shifted their focus to the data while it is in-use in memory, which is typically not encrypted today. Intel was first to introduce memory encryption, integrity protection, and replay protection capabilities in a general purpose CPU as part of Intel® Software Guard Extensions (Intel® SGX). In future processors, Intel plans to introduce two new in-memory data protection capabilities that complement Intel® SGX, and provide customers additional flexibility and choice.
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