Recent Posts

• July 27, 2022

  SECRET CONVE.RSA.TIONS (Crypto Writeup) -- Hacky Holidays - Unlock The City! 2022

  The third edition of the famous Deloitte Hacky Holidays CTF competition start July 8 and finish July 26, 2022. This Year it's "Unlock the city!", It was 18 days of challenges, divided in 4 districts, 33 challenges in total, where 1242 active players tried to unlock the city. Very well elaborated with an excellent platform and well thought out challengess. We chose this CRYPTO challenge for the writeup because it's a very good practical example that no matter how many resources you have, a BAD implementation of an algorithm will always be a persistent threat to you.

• June 06, 2022

  Jason's Web Tarot 2 (Web Challenge Writeup) -- BCACTF 3.0 2022

  BCACTF 2022 took place on June 3 to 6, 2022. It was 72 hours of challenges and exceptional support from the organizers. We chose this WEB challenge for the writeup because it's a very good practical example of why it is necessary to use a good shared-key in all applications.

• June 06, 2022

  Jason's Tarot 3 (Web Challenge Writeup) -- BCACTF 3.0 2022

  BCACTF 2022 took place on June 3 to 6, 2022. It was 72 hours of challenges and exceptional support from the organizers. This WEB challenge is perfect to demonstrate why it is important to keep all the software we use up to date. The security of the software supply chain is of great importance following multiple far-reaching cyber attacks in recent years.

• May 07, 2022

  I made a Blog! (Web Challenge Writeup) -- EZ-CTF 2022

  EZ-CTF 2022 (The first CTF competition using a new and innovative platform called CTF Cafe) took place on May 4 and 5, 2022. It was 48 hours of all kinds of well-crafted challenges and exceptional support from the organizers. We chose this WEB challenge for the writeup as we can show one of the most common exploitation techniques widely used all over the world.

• May 01, 2022

  OTP Vault (Mobile Challenge Writeup) -- Nahamcon CTF 2022

  NahamCom 2022 was a free virtual security conference Hosted by STOK, John Hammond and NahamSec. Very good experience with all possible challenge categories, nice challenge and very good infrastructure and support through the discord channel.