On December 29, 2022, Slack was alerted to suspicious activity on their GitHub account. Upon investigation, the company discovered that a limited number of employee tokens had been stolen and misused to gain access to an externally hosted repository. The threat actor had also downloaded private code repositories on December 27, but neither Slack’s primary codebase nor any customer data were included in the downloaded repositories. Upon being notified of the incident, Slack immediately invalidated…
