| Challenge | Solved | Points |
|---|---|---|
| 5. Cobalt strikes back (Exchange DFIR CTF) | #14, 1 month, 3 days after release (2019-07-18 12:59:27) | 50 |
| 4. Email cross-check is gonna be harsh... (Exchange DFIR CTF) | #15, 1 month, 3 days after release (2019-07-18 12:37:24) | 50 |
| 3. Not without my mobile (Exchange DFIR CTF) | #21, 1 month, 3 days after release (2019-07-18 12:32:36) | 50 |
| 1. First things first (Exchange DFIR CTF) | #25, 1 month, 2 days after release (2019-07-17 12:47:45) | 50 |