Datadog held a small 2-hour CTF at the conclusion of RSA 2021 in partnership with HackTheBox. The challenges were a mix of defensive (on Datadog’s new security product) and offensive challenges. I completed 6 of the 11 challenges in 1.5 hours, putting me at #27 out of 78 teams. My teammate had …

HackerOne announced a time-limited CTF with AWS between April 5 and April 12, 2021. I thought http://flaws.cloud and http://flaws2.cloud were excellent preparation for completing this CTF. The CTF awarded 26 points on HackerOne’s CTF platform, which results in an invitation to a private bug …

I recently attended the final Derbycon conference. I did not participate in the main conference capture-the-flag (CTF) event, but a jeopardy-style CTF provided by Bank of America caught my eye. Get 250 points and win a challenge coin? I couldn’t resist. For two evenings I wracked up 260 points …