Following user outcry, AMD reinstates memory encryption in consumer CPUs
Summary
AMD removed a security feature called Transparent Secure Memory Encryption (TSME) from some of its consumer Ryzen processors without telling users. After customers complained, AMD decided to bring back the feature in a BIOS update expected in July.Key Facts
- TSME encrypts data stored in a computer’s memory to prevent theft during physical attacks.
- AMD added TSME to high-end CPUs about ten years ago and later to lower-end consumer Ryzen processors.
- Recently, AMD quietly removed TSME from some non-Pro Ryzen 9000-series desktop processors through a firmware change.
- The removal was not announced, and it was hard to detect on Windows computers.
- Users expressed strong dissatisfaction on social media after the change was discovered.
- AMD plans to restore the TSME option in a BIOS update coming next month.
- AMD has not explained why it removed TSME initially.
- Possible reasons for removal include pushing customers to buy more expensive CPUs or reducing performance delays caused by encryption.
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