Security Incident on 8/31/2019 - Details and FAQs – CircleCI Support Center

Last updated on Sept 4, 2019 On August 31st, we became aware of a security incident involving CircleCI and a third-party analytics vendor. An attacker was able to improperly access some user data in our vendor account, including usernames and email addresses associated with GitHub and Bitbucket, along with user IP addresses and user agent strings. The engineering and security teams at CircleCI imm