A group of experts at Bitglass used watermarks to track data through the Dark Web and discover how far do phished credentials get. The researchers created a fake identity for employees of a ghostly retail bank, along with a functional web portal for the financial institution and a Google Drive account. Leaked data were viewed more than 1,000 times and downloaded 47 times in just two weeks. In just 24 hours the experts observed three Google Drive login attempts and five bank login attempts. In 36 percent of the cases, hackers successfully accessed the victims other online accounts.”]
Source: http://securityaffairs.co/wordpress/44646/cyber-crime/project-cumulus-dark-web.html