Categories SANS Holiday Hack Challenge 2023 26 posts SANS Holiday Hack Challenge 2024 4 categories , 21 posts SANS Holiday Hack Challenge 2024 - Act 1 4 posts SANS Holiday Hack Challenge 2024 - Act 2 5 posts SANS Holiday Hack Challenge 2024 - Act 3 7 posts SANS Holiday Hack Challenge 2024 - Prologue 3 posts SANS Holiday Hack Challenge 2025 4 categories , 26 posts SANS Holiday Hack Challenge 2025 - Act I 11 posts SANS Holiday Hack Challenge 2025 - Act II 7 posts SANS Holiday Hack Challenge 2025 - Act III 7 posts SANS Holiday Hack Challenge 2025 - Act IV (Final) 1 post