oxygen
Solves
| Challenge | Category | Value | Time |
| Forensics Warm Up 1 | Forensics | 20 | |
| Forensics Warm Up 2 | Forensics | 50 | |
| File Signature | Forensics | 20 | |
| Shark Of Wire | Forensics | 20 | |
| Secret Letter | Steganography | 20 | |
| Godam Secrets | Forensics | 20 | |
| File Signature 2 | Forensics | 20 | |
| Corrupted Image | Forensics | 20 | |
| Shark Of Wire 2 | Forensics | 20 | |
| Flags in ZIP | None | 20 | |
| The Kolona Virus | Reverse Engineering | 20 |