Defcon 21 Badge Challenge Walkthrough Part 3

Floor Puzzles =================== Clock Face ————— The symbols are Rod Numerals ( https://en.wikipedia.org/wiki/Counting_rods#Rod_numerals ) turned sideways every other digit. When converted to letters reads: defcon, 21,¬†keyword, orrery which leads to: https://www.defcon.org/1o57/dc21/orrery Skull Puzzle —————— The symbols on the skull puzzle are actually from another “Chain of Death” cipher from The Shadow http://www.nku.edu/~christensen/section%205%20symbols.pdf You read it … [Read more…]

Defcon 21 Badge Challenge Walkthrough Part 2

Posters: ================= There are 7 posters with cipher text. 4 labeled with numbers that when converted from dec to ascii are labeled J, A, C, and K, and three with key holes. Numbered Posters ———————– – 74 “J” (Social Engineering Village): VEVMRUBLFDZMGGLYVORVEV LMVLUGSVQZXPHWLVHMGYVO (can be decoded with atbash) => EVENIFYOUWANTTOBELIEVE ONEOFTHEJACKSDOESNTBEL – 65 “A” (Wireless … [Read more…]

Hacker Movie List

What follows is a list of “hacker movies” in no particular order. — War Games (1983) A young man finds a back door into a military central computer in which reality is confused with game-playing, possibly starting World War III. — Hackers (1995) A young boy is arrested by the US Secret Service for writing … [Read more…]