A security incident at GitHub has resulted in the exfiltration of over 3,800 internal repositories, following the compromise of an employee's device. The breach was discovered after the notorious threat actor TeamPCP listed GitHub's source code and internal organizations for sale on a cybercrime forum. GitHub has launched an investigation into the unauthorized access, but currently, there is no evidence to suggest that customer information stored outside of the internal repositories has been impacted. The incident highlights the risks associated with insider threats and the importance of robust security measures to protect sensitive internal data. The breach has significant implications for the security of GitHub's platform and its users, so the incident serves as a reminder to practitioners to prioritize internal security and monitor for potential vulnerabilities, as even a single compromised device can have far-reaching consequences1.