The document summarizes Peter Chestna's presentation on common application security (AppSec) anti-patterns and practical solutions. It discusses how InfoSec differs from AppSec in terms of maturity. It then outlines several common AppSec anti-patterns such as only focusing on critical applications, not properly managing open source components, and having a security mandate without relationships. For each anti-pattern, it provides strategies for practical solutions such as comprehensive security policies, mapping all applications to a maturity model, selecting appropriate security metrics, and establishing an open source incident response plan.