Online Trackers Increasingly Switching to Invasive DNS-based CNAME Cloaking Technique
The researchers, in their study, found this technique to be used on 9.98% of the top 10,000 websites, in addition to uncovering 13 providers of such tracking "services" on 10,474 websites.
Perhaps the most troubling of the revelations is that cookie data leaks were found on 7,377 sites (95%) out of the 7,797 sites that used CNAME tracking, all of which sent cookies containing private information such as full names, locations, email addresses, and even the authentication cookies to trackers of other domains without the user's explicit affirmation.
Imagine that, Chrome is the only one slow on trying to block the exploit.
