Chapter 10 is on secure coding practices, Here is a recent list of Secure Coding Practices from OWASP: OWASP Secure Coding Practices. You may consult or use the following resources:
CMU CERT Coding Standards and
Microsoft Secure Coding Guidelines.
For this conference, pick a coding practice ( e.g., Input Validation, Error Handling), describe in your words what the practice is, what vulnerabilities the practice can minimize or eliminate or abuse cases it can prevent. Two good posts are required for a passing grade, one original post on a practice (no duplication) and another one commenting on a post from another person in the class.