Walmart's "Trusted Agent" Approach to Purple Teaming

Walmart has adopted a collaborative approach to security known as purple teaming, where red and blue teams work together. The company co-locates these teams to foster trust between them. This approach aims to improve security through joint exercises. By working together, the teams can build on each other's strengths and improve their overall security posture. The goal of this collaboration is to enhance Walmart's security capabilities.