Vulnerabilities in Web Applications discusses common security risks for web applications. It summarizes a study showing that over 60% of cyber attacks target web applications. The document recommends following standards like PCI-DSS and OWASP to integrate security into the software development lifecycle. It also describes how Anonymous hackers exploited SQL injection and password reuse vulnerabilities to compromise HBGary Federal's systems and steal internal data, bringing the company down. The key lessons are that security must be a priority from design through maintenance, and that even small vulnerabilities can have major consequences if not addressed.