Threat Research & Intelligence

APT28 Operation Phantom Net Voxel: Advanced Steganographic Campaign

Amaury G., Charles M. and NorthScan TDR

•Sep 16 2025•41 minute read

Comprehensive analysis of APT28's sophisticated steganographic techniques and advanced persistent threat campaign targeting diplomatic and government entities through weaponized Office documents.

Introduction

NorthScan's Threat Detection and Response (TDR) team closely monitors APT28 as one of its highest-priority threat actors. This comprehensive analysis presents our findings on their latest steganographic campaign.

Conclusion

The APT28 Operation Phantom Net Voxel campaign represents a significant evolution in threat actor capabilities, demonstrating advanced techniques in social engineering and steganography.

APT28 Operation Phantom Net Voxel: Advanced Steganographic Campaign

Table of contents

Introduction

Conclusion