I found this post on ARM MTE which was helpful in understanding the concept: https://www.anandtech.com/show/16759/sponsored-post-keep-your-apps-memory-safe-with

I found this post on ARM MTE which was helpful in understanding the concept: https://www.anandtech.com/show/16759/sponsored-post-keep-your-apps-memory-safe-with-arm-memory-tagging-extension-mte https://www.anandtech.com/show/16759/sponsored-post-keep-you... Seems to me this will have an execution overhead though, and that the best way to improve security would be to finally move beyond C. Most modern languages make buffer overflows impossible.