Read real-world scenario to help understand and apply the theory.
FBI's most-wanted cybercriminal, Jeremy Hammond is serving one of the longest sentences a US hacker has received 10 years, the maximum allowed under his plea agreement. But to this day, he's unsure how agents cracked his Mac's encryption. Perhaps it was the fact his password was his cat's name and the numbers 123.
A hacktivist for more than a decade, Hammond, 29, was arrested in 2012 after penetrating the US-based security think tank Stratfor, whose clients include the US Department of Homeland Security and the Defense Department.
He'd been working with a subgroup of the loose-knit hacking movement "Anonymous" to disrupt the networks of Sony Pictures,