The database was discovered by Sanyam Jain, a security researcher and member of GDI.Foundation, who found the database using the Shodan search engine. Work and salary info exposed online The 57GB Elasticsearch database contains the profiles of users in China who uploaded their resume and personal information to job recruitment sites. The exposed data included a job seeker's username, gender, age, current city, home address, email address, phone number, marriage status, job history, education history, and salary history. After discovering the database on March 10th, 2019, Jain told BleepingComputer that he tried to determine who owned the database so that he could warn them about its exposure and help to secure it. While he was not able to determine who owned the database, he did see references to multiple Chinese job recruitment companies such as 51Jobs, lagou, and Zhilian.