Device Fingerprinting

Canvas fingerprinting is a type of browser or device fingerprinting technique that was first presented by Mowery and Shacham in 2012. It can produce a fingerprint based on a device's graphic hardware and rendering engine. more »

In order to optimize a web application for speed, it's crucial to be able to accurately measure the performance characteristics of the web application. JavaScript-based mechanisms have existed for a long time. They are, however, unable to… more »

There are a number of language properties available within the navigator BOM that can be used to fingerprint a device. Depending on which browser is being used and the returned values, these properties can provide a significant amount of entropy. more »

Java was all the rage years ago but it's popularity on the client side has declined with the release of HTML5. There is still sufficient use to use it as a device fingerprint. more »

Background The Form Fields Fingerprint is not to be used as a unique identifier of devices like other fingerprints presented on this site. It's main purpose is to detect miscreants injecting extra form fields into your site. Malware such as SpyEye,… more »

Font enumeration is a basic fingerprint which started to appear in 2007. Early on this was done by not only JavaScript but Flash as well. With the decline of Flash the market has shifted towards JavaScript enumeration only. … more »

Background Display device fingerprinting is one of the most basic tried and true data points in any fingerprint script. There are a number of objects available to determine the height and width of the screen, the available height and width, color depth... more »

Background Adobe™ Flash Player® was released in 1996 and is possibly the most popular 3rd party plugins for browsers, with Adobe claiming a 99%+ penetration rate. While the software installs with auto-update selected by default, it's clear by statistics… more »