Ed Skoudis is continuing his good tradition of writing Christmas-themed
hacker challenges. This year, you are called to the rescue of Kris
Kringle so he can escape from the dungeon and safe Sombertown from the
Burgermeisters in the exciting story "Santa Claus is
Hacking to Town".
Is Ed Skoudis still writing till now? I just discovered this and seems very intresting. I really don't want to miss it this christmas.
I think he writes one every year, check his website http://www.ethicalhacker.net/ a bit closer to the end of the year.