The document discusses 5 ways to train cross-functional DevOps teams in security: 1) elevate security knowledge across the entire team while developing security champions, 2) balance traditional training with hands-on learning using real scenarios, 3) offer role-based security training tailored to each role rather than trying to make everyone security experts, 4) use shorter, modularized training modules rather than long-form courses based on education research, 5) establish a training plan for DevOps teams as Gartner predicts DevSecOps practices will be embedded in 80% of rapid development teams by 2021.