4 ms·
It is worth noting that this POC was specifically targeted at Chromium based browsers. To quote the blog post, they also developed "a PoC which leaks data at 60
by ddworken 6y ago
It is worth noting that this POC was specifically targeted at Chromium based browsers. To quote the blog post, they also developed "a PoC which leaks data at 60B/s using timers with a precision of 1ms or worse". So Firefox's protection's are likely not sufficient to mitigate all Spectre attacks.