By Johannes Ullrich Amex Cards Use Predictable Sequence For Numbers of Re-Issued Cards
http://www.wired.com/2015/11/samy-kamkar-10-dollar-tool-can-guess-and-steal-your-next-credit-card-number/
Dell Foundation Services Leaks Service Tag Via Web Server
https://twitter.com/TheWack0lian
Overview of iOS/Android Data Available To Law Enforcement
http://manhattanda.org/sites/default/files/11.18.15%20Report%20on%20Smartphone%20Encryption%20and%20Public%20Safety.pdf More Here