Adam Furgang & Christopher Harris 
Build Your Computer Security Skills [PDF ebook] 

Computers have become enmeshed in almost every aspect of modern life. While this development has made our lives easier and more convenient, it also opens us up to all sorts of security risks. The dozen activities in this volume emphasize the importance of computer security and delve into the steps that both coders and ordinary users of technology can take to improve their computer security. Individual activities explore topics such as encryption, coming up with secure passwords, two-step verification, phishing, and fingerprint identification.