Yup. Not working on multiple browsers, curl, etc. File listing via Google Cache shows it was accessible: https://webcache.googleusercontent.com/search?q=cache:

Yup. Not working on multiple browsers, curl, etc. File listing via Google Cache shows it was accessible: https://webcache.googleusercontent.com/search?q=cache:uatZ4ufzez4J:https://media.defcon.org/DEF%2520CON%252025/DEF%2520CON%252025%2520presentations/&num=1&hl=en&gl=us&strip=1&vwsrc=0 https://webcache.googleusercontent.com/search?q=cache:uatZ4u... Wayback Machine doesn't have it. Ah... Google cache has it: https://webcache.googleusercontent.com/search?safe=off&output=googleabout&ie=UTF-8&q=cache%3Ahttps%3A%2F%2Fmedia.defcon.org%2FDEF%2520CON%252025%2FDEF%2520CON%252025%2520presentations%2FDEFCON-25-Gus-Frischie-and-Evan-Teitelman-Backdooring-the-Lottery.pdf https://webcache.googleusercontent.com/search?safe=off&outpu...