### Backdoor Established on Critical Servers

**Summary:**
The investigation has confirmed the establishment of a backdoor on Samsung's critical servers. This backdoor allows for remote access, facilitating further malicious activities and potential data exfiltration.

**Next Steps:**
- Monitor for any lateral movement within the development environment, indicating the attacker's attempt to expand their access.
- Conduct a thorough forensic analysis of affected servers to profile the backdoor.

**Recommendations:**
- Isolate compromised servers and begin incident response procedures.
- Update and patch all systems to mitigate known vulnerabilities.