Reference

BSidesDE - A deep dive into 1Password Security
Information Security | Nov 9, 2018 - 100 Words |
- security
- cryptography
Slides from my BSidesDE talk, November 9, 2018. A detailed description of how 1Password client unlocking and shared vault encryption works.
ShmooCon 2017 Badge (and more) Contest - Challenges
Puzzles, Fun, Games | Jan 20, 2017 - 1400 Words |
- puzzles
Just the challenges from the 2017 ShmooCon badge puzzle / contest. No spoilers.
BSidesROC - A (not so quick) Primer on iOS Encryption
Information Security | Apr 23, 2016 - 100 Words |
Slides from my BSidesROC talk, April 23, 2016. An overview of how iOS encryption works, with emphasis on passcoes and potential attacks.
ShmooCon - My Hash Is My Passport: Understanding Web and Mobile Authentication
Information Security | Jan 17, 2016 - 400 Words |
- security
Slides from my ShmooCon talk, January 17, 2016. A detailed overview of how Digest, NTLM, and OAuth work in the context of web and mobile applications.
Nails in the Crypt - White Paper
Information Security | Mar 6, 2015 - 100 Words |
- cryptography
- security
Nails in the Crypt - White Paper
ShmooCon - Knock Knock: A Survey of iOS Authentication Methods
Information Security | Jan 23, 2015 - 1700 Words |
- ios
- security
Slides from my ShmooCon talk. A short review of multiple iOS apps and how they handle server authentication, looking at both network use and on-device storage of credentials.
DerbyCon 2013 - Apple TV and Raspberry Pi Slides
Building and Programming | Nov 18, 2014 - 100 Words |
DerbyCon 2013 - Apple TV and Raspberry Pi Slides
NoVA Hackers - iOS Cryptography Slides
Information Security | Oct 14, 2014 - 700 Words |
Slides from a quick NoVA Hackers talk I pulled together based on recent blog posts about Apple iOS encryption and privacy changes.
BSidesLV 2014 Badge Contest - Challenges
Puzzles, Fun, Games | Aug 10, 2014 - 500 Words |
Just the challenges for the 2014 BSides Las Vegas badge puzzle / contest. No spoilers.
BSidesROC 2014 - Crypto Puzzle
Puzzles, Fun, Games | Apr 5, 2014 - 100 Words |
- puzzles
CVE-2014-1279 - Password Disclosure via Apple TV Touch Setup
Information Security | Mar 10, 2014 - 1400 Words |
- ios
- security
ShmooCon 2014 - Crypto Puzzle Slides
Puzzles, Fun, Games | Jan 19, 2014 - 100 Words |
- puzzles
ShmooCon 2013 - Crypto Puzzle Slides
Puzzles, Fun, Games | Feb 17, 2013 - 100 Words |
- puzzles
FidSecSys Decode This 2012 Ciphertext and Hints
Puzzles, Fun, Games | Aug 17, 2012 - 200 Words |
Verizon 2012 DBIR Sources
Puzzles, Fun, Games | Mar 28, 2012 - 400 Words |
BSidesPHX 2012 Images
Puzzles, Fun, Games | Feb 19, 2012 - 100 Words |
ShmooCon 2012 Puzzle Data
Puzzles, Fun, Games | Feb 3, 2012 - 100 Words |
ShmooCon 2012 Puzzle Slides
Puzzles, Fun, Games | Feb 3, 2012 - 100 Words |
ShmooCon 2012 - Apple MDM Slides
Information Security | Jan 28, 2012 - 100 Words |
- ios
- security
iOS MDM Command Reference
Information Security | Jan 26, 2012 - 100 Words |
- ios
- security
Fidelis Security "Decode This" Black Hat Challenge
Puzzles, Fun, Games | Aug 30, 2011 - 100 Words |
BlackHat 2011 - Apple MDM Paper
Information Security | Aug 4, 2011 - 100 Words |
- ios
- security
BlackHat 2011 - Apple MDM Slides
Information Security | Aug 4, 2011 - 100 Words |
- ios
- security
2009 Verizon DBIR Ciphertext
Puzzles, Fun, Games | Apr 12, 2011 - 100 Words |
NoVAHackers - Nails in the Crypt slides
Information Security | Apr 11, 2011 - 100 Words |
ShmooCon 7 Ciphertexts
Puzzles, Fun, Games | Feb 9, 2011 - 1200 Words |
Civil War Code Ciphertext
Puzzles, Fun, Games | Dec 30, 2010 - 300 Words |
ToorCon 12 Badge Puzzle Ciphertexts
Puzzles, Fun, Games | Dec 6, 2010 - 400 Words |
DEF CON 18 Crypto Challenge Ciphertexts
Puzzles, Fun, Games | Sep 2, 2010 - 600 Words |
ShmooCon 2010 Badge Puzzle Data
Puzzles, Fun, Games | Aug 29, 2010 - 100 Words |