- Write-up: A Gnome in your Home (2015)
- Write-up: Santa’s Business Card (2016)
- Write-up: Wintered: The untold story of the Elves of the North Pole (2017). This writeup received an Honorable Mention from the SANS-team.
- Write-up: KringleCon, the first-ever cyber security conference hosted by Santa and his elves (2018). This writeup received a Super Honorable Mention from the SANS-team.
- Write-up: KringleCon 3, French Hens! (‘Zat you, Santa Claus? (2020). This writeup received a Super Honorable Mention from the SANS-team.
- Write-up: KringleCon 4, Calling Birds (aka Jacks Back (2021). This writeup received a Super Honorable Mention from the SANS-team.
- Write-up: 2022 SANS Holiday Hack Challenge Featuring KringleCon V: Golden Rings.