&gt; You can just close a demanding application<p>Sorry, I misspoke.  Having a watchdog timer reset the GPU is indeed a useful feature.<p>I meant to say &quot;you can just avoid such a site in the future.&quot; See greggman&#x27;s point #1 on DoS: <a href="http:&#x2F;&#x2F;games.greggman.com&#x2F;game&#x2F;webgl-security-and-microsoft-bullshit&#x2F;" rel="nofollow">http:&#x2F;&#x2F;games.greggman.com&#x2F;game&#x2F;webgl-security-and-microsoft-...</a>