Author Archives: supercobra

Youtube.com trying to extract HTML5 canvas data: is Youtube trying to fingerprint users’ browser?

Posted on December 21, 2015 by supercobra

While trying to watch a Youtube videos using Tor browser, the Tor browser opens an alert window:

This website (www.youtube.com) attempted to extract HTML5 canvas image data, which may be used to uniquely identify your compu… Continue reading Youtube.com trying to extract HTML5 canvas data: is Youtube trying to fingerprint users’ browser?→

Posted in HTML 5, tor, web browser | Tagged fingerprinting

Where to report malicious URLs, phishing, and malicious web sites?

Posted on January 19, 2011 by supercobra

I recently discovered that my web site was hacked: there was a hidden HTML div that’s about selling shoes…! I googled the text in question and voila: thousands of sites have been hacked.

Check this out: Google the text ‘There is also ha… Continue reading Where to report malicious URLs, phishing, and malicious web sites?→

Posted in disclosure, Exploit, Phishing, webserver