On browser hygiene https://en.wikipedia.org/wiki/Evercookie https://en.wikipedia.org/wiki/Device_fingerprint
On hardware backdoors https://www.blackhat.com/html/bh-us-12/bh-us-12-archives.html#Brossard
On browser hygiene https://en.wikipedia.org/wiki/Evercookie https://en.wikipedia.org/wiki/Device_fingerprint
On hardware backdoors https://www.blackhat.com/html/bh-us-12/bh-us-12-archives.html#Brossard