YouMail, Inc protects consumers, enterprises, and carriers from harmful phone calls. We protect consumers with app-based call protection services. We protect consumer-facing enterprises by detecting and helping to shut down imposter traffic that can lead to financial or brand damage. We protect carriers with robocall mitigation services that detect when bad traffic is originating, traversing, or terminating on their networks. Our direct consumer solutions answer over a billion live calls per year across well over 10 million registered users, powering America's most robust telephone sensor network in identifying and providing zero-hour protection against illegal calling campaigns and cyberattacks. We also operate the Robocall Index ™, the nation’s definitive source on telephone network activity and attacks. YouMail, Inc. is privately funded and based in Irvine, California.