zacheller@home:~/blog$

  • RE: Grayhat 2020

    I had a great time at Grayhat this year. There were a lot of competitions, and it was hard to choose where I wanted to spend my time. See the entire list here: I ended up winning the Niflheim’s Network CTF, getting root on the SECARMY OSCP Giveaway Vulnhub box,...

  • Cyber Weapons Range @ Grayhat 2020

    I took 1st place at the Cyber Weapons Range this year at Grayhat due to my speed and accuracy. Lane reservation at cyberweaponshooting.com was easy, and the Range Security Officer was professional. Thanks to everyone at Dyrwolf Inc who developed the range (and for the marksmanship badge, sticker, and certificate),...

  • STLCYBER Meetup - The Sassy Death of the Moat and Castle

    Presentation by Bill Doty at STLCYBER Current security models have revolved around the idea of a protected, safe, controlled network where IT and Cyber can apply time tested and reliable security in defensive layers to protect our crown jewels. The reality has proven to be far different, as we evolve...

  • Red Team Village CTF @ Grayhat 2020

    Red Team Village put on a CTF for Grayhat attendees hosted at ctf.threatsims.com. It was meant to be a beginner-to-intermediate-level CTF with the goal of learning and having fun. In between waiting for a large PCAP file to be rescanned with different filters for Niflheim’s Network CTF, I answered a...