### Overview
The initial alert in Operation Dark Current has detected a phishing email targeting employees at the power facility. The email contained a malicious attachment disguised as a routine internal document.

### Findings
- **Sender:** The email originated from a compromised external account known for past association with the Sandworm APT group.
- **Attachment:** An Excel file with embedded macros designed to execute upon opening.
- **Targets:** Key personnel within the corporate IT network.

### Next Steps
This incident indicates the potential for malware deployment. Increased scrutiny on email attachments and network traffic is advised as the next phase of the attack may involve malware execution.