Jobert Abma
Co-founder and Principal Engineer

H1-212 CTF results

H1-212 CTF results

Hello hackers!

Thanks to all of you who participated in our first ever h1-212 CTF!  We had a lot of fun building it and it looks like many of you had a great time participating.

As promised, our three winners will be sent to New York City for our live hacking event, h1-212!

For all participants who found the flag and submitted a valid write up, we will be sending you an h1-212 challenge coin. 

Some fun data!

  • 150,000,000+ requests processed by the server
  • 43 submissions
  • 40 correct answers
  • longest writeup was 17 pages

The criteria we judged each report on

  • creativity
  • completeness
  • coherent story
  • and tools used

Drum roll please…..

The winners of the h1-212 CTF are…..

Here are all of the valid submissions sent to us: We are still collecting H1-212 CTF write ups. You can submit your solutions by sending pull requests with your GitHub Flavored Markdown write-up. 

If you have any questions or feedback, please email us at

We look forward to sharing our next CTF with you!


HackerOne is the #1 hacker-powered security platform, helping organizations find and fix critical vulnerabilities before they can be criminally exploited. As the contemporary alternative to traditional penetration testing, our bug bounty program solutions encompass vulnerability assessment, crowdsourced testing and responsible disclosure management. Discover more about our security testing solutions or Contact Us today.


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