Google also has a bug bounty program which sets terms and conditions for these kinds of activity: "When investigating a vulnerability, please, only ever target

Google also has a bug bounty program which sets terms and conditions for these kinds of activity: "When investigating a vulnerability, please, only ever target your own accounts." from https://www.google.com/about/appsecurity/reward-program/ https://www.google.com/about/appsecurity/reward-program/.