Currently the website is online, and the few details provided by the public in a short message reveal that “some levels of access to production were obtained on 11 May.” Not affected by user data It is unclear how the intruders were able to access the internal network of Stack Overflow, but after the infringement was found, all the known vulnerabilities were reported. The incident was internally found and the initial evaluation was that no customer or user data was affected. “The safety of our customers and users is of the utmost importance to us. We will provide further information after completing the research cycle,” says Mary Ferguson, VP of Stack Overflow Engineering. In 2008, Stack Overflow was established as a programming question and answer website. As part of the Stack Exchange Network, by January 2019 it became a community of more than 10 million users. The Knowledge Platform is available in various English, Spanish, Russian, Portuguese and Japanese languages. More than 50 million visitors access this website each month, looking for a single problem of coding, developing their skills and finding employment opportunities. It is a trusted resource to provide an accurate overview of developer community trends and to obtain salary information based on experience, location, training and technology.