In late 2017, Sumo Logic CSO George Gerchow faced a challenge most only dream of — pen testing reports kept coming back clean. While this seems like good knews, it meant Sumo Logic’s attack surface was hardening, Gerchow knew nothing is bulletproof. Three bug bounty challenges later, Sumo Logic is sharing the results and inner workings of its open line of communication with the hacker community for the first time.