### Overview
The final phase detected involves the exfiltration of sensitive data from compromised systems, indicating a critical breach.

### Exfiltration Methods
- **Encrypted Channels**: Use of HTTPS or VPN to transfer data.
- **Steganography**: Embedding data within benign files.

### Data Targeted
The exfiltrated data includes sensitive information from the defense, nuclear, and energy sectors.

### Response
Immediate incident response actions are required to contain the breach and mitigate data loss. Coordination with affected sectors is necessary for damage assessment and recovery.