Archive for January, 2010

Abusing the Cache: Tracking Users without Cookies

Friday, January 29th, 2010

I’ve been doing a little bit of research into ways to misuse browser history and cache and came across a very simple technique for tracking users without the need for cookies. Firstly, a demo. If you watch the HTTP requests you’ll see that there are no cookies being used.

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Posted in JavaScript, PHP, Programming | 19 Comments »

Windows Gadgets and Invalid Packages

Sunday, January 24th, 2010

I’ve recently upgraded to Windows 7 and decided to experiment with the in built gadgets. Windows gadgets are built on web technologies; each gadget is really just a couple of HTML pages glued together with JavaScript. This is good in principle but there are enough differences between the gadget environment and Internet Explorer to make testing difficult.

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Posted in JavaScript, Programming | 1 Comment »