Users cry foul after AMD stripped memory crypto from its consumer CPUs

In a surprising move, AMD has removed the Transparent Secure Memory Encryption (TSME) feature from its consumer-grade CPUs, a decision that has left many users frustrated. This encryption technology, which safeguards sensitive data from physical attacks like cold boot exploits, was initially introduced in AMD's high-end processors over a decade ago. TSME encrypts all data stored in memory, rendering it inaccessible to potential attackers. Over time, AMD extended this vital security measure to its lower-end processors, including the popular Ryzen series, providing users with added protection at a more affordable price. However, recent changes have eliminated TSME from these lower-tier chips without prior notice, making it difficult for users to detect the absence of this critical feature, especially on Windows systems. Linux users have had to undertake a more technical process to uncover the change. Despite the uproar, AMD has not provided a clear explanation for the removal of TSME from these CPUs. In a brief statement, the company asserted that TSME is now a feature exclusive to its PRO CPU line, marking the first public acknowledgment of this restriction. The community's concern grew when a privacy-focused Linux enthusiast, Ben Kilpatrick, discovered the absence of TSME while auditing his Ryzen 7 9700X system. A routine check revealed that the encryption support, previously available, was no longer present, despite Kilpatrick having enabled it in the BIOS settings. This unexpected modification has raised questions about AMD's commitment to security in its consumer products, leaving users to wonder about the implications for their data protection in future computing environments.