### Report on Unauthorized Access

**Details:**
Evidence suggests that the attackers have gained unauthorized access to sensitive internal systems. This indicates a successful lateral movement from the initially compromised host, possibly through stolen credentials.

**Technical Analysis:**
- Unusual login attempts from compromised accounts detected across multiple systems.
- Network traffic analysis shows connections to sensitive databases and file servers.

**Next Steps:**
- Monitor network traffic for data exfiltration attempts, particularly through encrypted channels.