Because it would have to come through a vector that I haven't completely walled off, and those are exceedingly rare (like the WMF thing ages ago). I keep up on

Because it would have to come through a vector that I haven't completely walled off, and those are exceedingly rare (like the WMF thing ages ago). I keep up on vulnerabilities, and I'd do a paranoia reinstall if I suspected I were affected by one. It would be one of these: * Noscript exploit * Simultaneous Flashblock + Flash exploit * Image-based exploit * Renderer exploit And those are extremely rare. My software stack is also pretty stable, and it's all from trustworthy vendors/projects.