Ryan Nagelhout 
Digital Era Encryption and Decryption [PDF ebook] 

Today’s news headlines are plentifully peppered by the latest hacks into some of the world’s largest and most reputable companies. These malicious intrusions leave the personal, banking, and credit card information of millions of people vulnerable to the malevolent whims of the hackers. Meanwhile, inside the world of cryptography, the race is on to keep that information as safe and protected as possible as hackers uncover new ways to access it. Readers will be riveted by this race, the outcome of which affects us all.