You may be running some hotrodded addon suite that blocks the various attack vectors which the modern web likes to throw at you. But are you blocking quite enough? A colleague and I exchanged thoughts on the best defaults for which web resources to deny and he was surprised to learn that I even strip the style sheets (CSS) out of visited web pages. CSS is commonly thought to be useful just for formatting and for the basic beautification of web pages. But it can be capable of so much more. Tha...