We made a new team zer0pts and attended Securinets Prequals 2K19. We got 23393 points and reached 2nd place!! Thanks to all the admins for this great CTF! I solved some of the challenges and I'm going to write up them. [Misc 200pts (321 so…

I participated in the UTCTF Quals 2019 as a member of a team insecure. We reached 18th place with 8250points. Many interesting challenges were provided in the competition. Thanks to all the admins! I'm writing up some challenges which I so…

I participated in an AeroCTF Qual 2019 as a member of team insecure. We reached 14th place with 3411pts. Thanks to admins for a great competition. I solved the following challenges. I'm going to describe them. [Warmup 100pts(23 solves)]mis…

TAMU CTF had been held from 2019/2/23 09:00 to 2019/3/4 09:00(JST). Our team insecure (me, ptr-yudai and yoshiking) participated in the competition. We got 19162pts and reached 16th position. There were many valuable challenges in the CTF,…