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 to solve tricky challenges.

Can we count on you to unlock the city?
Hacky Holidays Unlock the City | Join and help us to regain control of the Smart City

We are not releasing all challenges at once. Instead, challenges are released in phases:

• 8 July - District 1 & District 2: release of initial set of challenges
• 15 July - District 3: release of second set of challenges
• 22 July - District 4: release of third set of challenges All challenges will be released at 12:00 CEST.

Note: A single challenge may contain multiple subtasks. Subtask points may still change as long as it remains unsolved to raise the stakes.

We have several prizes set aside for participants. More information on hackyholidays.io.

• Best 3 scoring student teams (or individuals) on the scoreboard.
• Best 3 scoring non-student teams (or individuals) on the scoreboard.
• Best 10 writeups for a challenge. (Note that a single challenge may contain several subtasks).
• Best 3 video-writeups for a challenge.
• Deloitte participants are excluded from the public prize pool and have their internal competition prize pool Note: Deloitte employees can play in the event but are excluded from winning a prize. The top X players refers to the entries on the scoreboard and is based on the total score of the team and the time of flag submissions. Participants can win a maximum of 2 vouchers by participating in Hacky Holidays.

• You can form teams of up to 4 players or play as an individual.
• Do not attack the scoreboard infrastructure.
• Do not use automated network scanning tools like Nessus / Nikto / Dirbuster etc. No network brute-force tools are required. Nmap can be used where appropriate.
• Do not use tooling that may cause Denial of Service. Not adhering to the rules may cause your IP address to be blocked and/or exclusion from the competition.

Do you need help with a challenge? Is something broken? Did you break something or did we break something?

• Contact us at [email protected]. Note: Challenge questions are followed-up on during office hours (Amsterdam time).

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