Browser stuff I'm guessing this relates to Variant1; @hackerfantastic "Blackhats will be weaponizing spectre to steal session cookies from additional websites opened in the browser, especially financial sites. Enable site isolation in Chrome now. https://support.google.com/chrome/answer/7623121?hl=en-GB" Sounds like Mozilla will make some changes in Firefox 57 to make the attacks more difficult; "Our internal experiments confirm that it is possible to use similar techniques from Web content to read private information" https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/