Joel Scambray & Mike Shema 
Hacking Exposed Web Applications, Second Edition [PDF ebook] 

Implement bulletproof e-business security the proven Hacking Exposed way Defend against the latest Web-based attacks by looking at your Web applications through the eyes of a malicious intruder. Fully revised and updated to cover the latest Web exploitation techniques, Hacking Exposed Web Applications, Second Edition shows you, step-by-step, how cyber-criminals target vulnerable sites, gain access, steal critical data, and execute devastating attacks. All of the cutting-edge threats and vulnerabilities are covered in full detail alongside real-world examples, case studies, and battle-tested countermeasures from the authors’ experiences as gray hat security professionals.