Hacky Holidays | 8th - 26th of July

Join and capture all the flags

Hacky Holidays is an online game hosted on the Deloitte Hackazon platform, where you can test and improve your skills with all sorts of challenges (technical puzzles) related to cyber security. Do you have what it takes to solve all the challenges and capture all the flags?

About Hacky Holidays

Hacky Holidays is an online game during which you can solve all sorts of puzzles related to cyber security - according to the motto "capture the flag". The Hacky Holidays game consists of challenges, which have a task description that gives a clue on how they can be solved. When a challenge has been successfully solved, a flag will be given, and each flag gives extra points!

Hacky Holidays UNLOCK THE CITY

The mission of this year is to UNLOCK THE CITY!

Help! The smart city is in trouble. An A.I. algorithm went rogue in the once so peaceful, intelligent city. It's chaos out there. To regain control and restore peace, we need a group of talented hackers. Each hacker or hacking team will unlock the city in phases by solving a set of challenges in four city districts. The city council has announced that the event's winner will be appointed "Mayor" of the City to sweeten the deal. Additionally, the best hacker in a particular district will become the "Sheriff" for that district. Can we count on you to unlock the city?

Get your Hackers together, form a team to break encrypted codes, hack applications and solve other hacking challenges in order to win the race to the new planet and plant your flag. The storyline of the race contains of 3 main phases:

Phase 1 | starting July, 8th

Phase 2 | starting July, 15th

Phase 3 | starting July, 22th

Join the Hacky Holidays UNLOCK THE CITY

Join now!

How to join Hacky Holidays

Who?: The event is open for anyone who is interested in cyber security and wants to improve their skills while having fun and competing towards the top of the scoreboard. Invite your friends to join as well to compete against each other and exchange tips and tricks!

How?: To join the competition you just need a PC/laptop, and your favourite (hacking) tools and software (e.g. using Kali Linux). When you have signed up to the event you will be given access to all sorts of challenges in different categories such as web application hacking, cryptography, network security, cloud security, hardware hacking and reverse engineering.

Get your team of hackstronauts together and join the event here. 

Let's get ready for take off!

If you have any questions during the event you can ask them via


Join from June 21th until July 26th


Register here

What's in it for you

First of all, you will learn a lot about the various cyber security topics introduced in the game, but that is not all! You can also win a prize for creating a writeup or solving the most challenges. The winners will be announced on August 2rd on the Hacky Holidays website.

Career @ Cyber

Does solving challenges during work time sound too good to be true? At Deloitte Cyber Services it's part of your daily job! The skills you learn while solving hacking challenges are quite important in our job. Therefore, we train our hackers and cyber security specialists regulary on our own Hackazon platform.

Interested in working for the Deloitte cyber team? Then get to know more about our team and your career opportunities here. 

See our current vacancies!

Apply now


If you have any questions during the event feel free to ask them via

If you have any questions in advance as well as questions about possible career opportunities in the Cyber team at Deloitte, please contact Mira via

Important background information

The Hacky Holiday game is not performed by Deloitte Germany but from Deloitte Netherlands, that is why we are using their Hackazon platform. 

Hackazon is a platform developed by Deloitte which allows both students and professionals to constantly refresh and improve their technical cyber skills based on the latest developments in cyber security.
The Hackazon platform covers a broad range of cyber topics through challenge-based activities. The challenge materials are perfect for cyber students, developers, IT engineers, incident responders, security analysts and penetration testers. The Hackazon platform also provides material to improve the security awareness for anyone without a technical focus. For more information please visit the Hackazon page.

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