A computer vulnerability called Spectre cannot be fixed easily Hero Images/Getty
A critical security flaw affecting computers the world over is here to stay, and there isn’t any software that can properly safeguard against it. That is the conclusion of engineers trying to fix a vulnerability in processing chips known as Spectre – and it is leading to a rethink of the way that computers are designed.
For at least one variant of the flaw, no software exists that can prevent this, Ben Titzer and his colleagues at Google have found.
Spectre, which was first discovered a year ago,…
