Advent of Cyber 2025 TryHackMe Challenges & WriteUps
TryHackMe Advent of Cyber 2025 Complete Guide, Overview & Daily WriteUps
Welcome to the TryHackMe Advent of Cyber 2025 hub!
This is your complete guide for the entire THM Advent of Cyber 2025 event – including the warm-up Prep Track, daily room explanations, challenge walkthroughs, and write-ups. Whether you’re just starting your cybersecurity journey or sharpening your penetration-testing skills, this resource will help you progress through every single day of the event.
What Is Advent of Cyber 2025?
Advent of Cyber 2025 (AoC 2025) is a free annual cybersecurity event hosted by TryHackMe throughout December.
Each day unveils a new security challenge or hands-on lab designed to teach real-world skills through a fun, story-driven format.
The event is completely free, beginner-friendly, and guided with hints, videos, and explanations making it one of the world’s most popular cybersecurity learning events.
Thousands of learners worldwide participate, making AoC an excellent starting point for anyone entering cybersecurity.
What You Will Learn in Advent of Cyber 2025?
AoC 2025 covers a wide range of practical cybersecurity topics, including:
- Linux & Windows basics
- Web exploitation
- Malware analysis
- Digital forensics
- Networking fundamentals
- Log analysis & SIEM
- OSINT
- Vulnerability detection
- Cryptography
- Red & blue team techniques
- Cloud & container security
- Incident response
Every room helps you build real technical skills that are useful for both beginners and professionals.
Rewards & Prizes (Advent of Cyber 2025)
TryHackMe offers one of the largest prize pools in the cybersecurity learning space.
For Advent of Cyber 2025:
- 💰 Prize Pool: Over $150,000 USD worth of prizes
- 🎉 Winners: Selected via raffle
- 🎟️ How to Enter: Every completed room counts as one raffle ticket
- 🎫 More Rooms = Higher Chance to Win
- 🧧 Eligibility: Free to join, open to users aged 16+ (as per TryHackMe T&C)
- 🏅 Certificates: Often awarded to participants who complete the event
Prizes typically include tech gadgets, swag, premium subscriptions, and more.
The Storyline Saving Wareville
Each year, AoC includes a festive story.
In Advent of Cyber 2025, the peaceful town of Wareville is once again in trouble.
Rumors mention:
- Troubles in the North Pole production lines
- SOC-mas traditions being threatened
- Investigations into digital incidents
- McSkidy and the TBFC team discovering new mysteries
Every daily challenge reveals another chapter in the story.
Advent of Cyber 2025 Prep Track
Before the main event starts, TryHackMe releases a Prep Track designed for true beginners.
This Prep Track includes:
- Basic Linux commands
- Password security
- User-agent investigations
- Malware behavior
- Breach checks
- Cyber hygiene fundamentals
Completing the Prep Track helps beginners build confidence before starting the event.
How Advent of Cyber 2025 Works
Here’s how the event is structured:
- 🎁 25 Days of Challenges
- 📅 New task released every day of December
- 🕵️ Hands-on practical labs
- 💡 Comes with hints & explanations
- 💻 Access challenges using:
- AttackBox (browser-based VM)
- Your own VPN setup (OpenVPN or WireGuard)
- ⭐ Each room teaches one cybersecurity topic
- 🎟️ Each completed room = 1 prize raffle entry
You do not need to complete tasks on the same day you can finish at your own pace.
Advent of Cyber 2025 Daily Write-Ups (All Days)
Below is the full index of all AoC 2025 challenges.
Each write-up link will be updated as soon as the solution is published on your website.
| Day | Challenge Title | Write-Up Link |
|---|---|---|
| 0 | Advent of Cyber Prep Track (Warm-Up) | View WriteUp / Walkthroughs |
| 1 | Day 1 – Linux CLI – Shells Bells | View WriteUp / Walkthroughs |
| 2 | Day 2 – Phishing – Merry Clickmas | View WriteUp / Walkthroughs |
| 3 | Day 3 – Splunk Basics – Did you SIEM? | Coming Soon |
| 4 | Day 4 – AI in Security – old sAInt nick | Coming Soon |
| 5 | Day 5 – IDOR – Santa’s Little IDOR | Coming Soon |
| 6 | Day 6 – Malware Analysis – Egg-xecutable | Coming Soon |
| 7 | Day 7 – Network Discovery – Scan-ta Clause | Coming Soon |
| 8 | Day 8 – TBA | Coming Soon |
| 9 | Day 9 – TBA | Coming Soon |
| 10 | Day 10 – TBA | Coming Soon |
| 11 | Day 11 – TBA | Coming Soon |
| 12 | Day 12 – TBA | Coming Soon |
| 13 | Day 13 – TBA | Coming Soon |
| 14 | Day 14 – TBA | Coming Soon |
| 15 | Day 15 – TBA | Coming Soon |
| 16 | Day 16 – TBA | Coming Soon |
| 17 | Day 17 – TBA | Coming Soon |
| 18 | Day 18 – TBA | Coming Soon |
| 19 | Day 19 – TBA | Coming Soon |
| 20 | Day 20 – TBA | Coming Soon |
| 21 | Day 21 – TBA | Coming Soon |
| 22 | Day 22 – TBA | Coming Soon |
| 23 | Day 23 – TBA | Coming Soon |
| 24 | Day 24 – TBA | Coming Soon |
| 25 | Day 25 – Final AoC Challenge | Coming Soon |
Who Should Join Advent of Cyber 2025?
AoC 2025 is perfect for:
- Absolute beginners
- Students
- IT professionals
- Ethical hackers
- Security analysts
- Anyone switching careers into cybersecurity
Because the challenges start simple and increase in difficulty, the event welcomes all skill levels.
Why Follow This Page?
This page on your website will include:
- Daily step-by-step write-ups
- Clear explanations for every task
- Screenshots, commands, and notes
- Answers to all challenge questions
- Context and learning resources
- Beginner-friendly breakdowns
Bookmark this page and follow along daily!
Important Notes
- Always follow TryHackMe’s rules
- Don’t share flags publicly
- Use write-ups only for learning, not cheating
- Practice responsibly
- Complete rooms on your own first before checking solutions
Key Skills You’ll Learn
- Linux and Windows command-line techniques
- Networking and TCP/IP basics
- Vulnerability assessment and exploitation
- Ethical hacking and penetration testing
- Cybersecurity problem-solving in real-world scenarios
Notes & Tips
- Always practice in TryHackMe’s safe environment.
- Do not share answers publicly; the goal is to learn, not just copy.
- Use this page as your central reference hub for all AOC 2025 content.
- Check back daily for new write-ups and updates.
Final Thoughts
THM Advent of Cyber 2025 is one of the best opportunities to learn hands-on cybersecurity in a guided, fun, and interactive way. Whether you’re preparing for certifications, starting a career, or leveling up your skills, AoC 2025 gives you practical, real cybersecurity experience.
Stay tuned – daily write-ups will be added to this page throughout the event.