Archives

• hardware
  Apr 26, 2021 - 100 Words -
• home-automation
  Apr 26, 2021 - 100 Words -
• post
  Apr 26, 2021 - 100 Words -
• remote-keypad
  Apr 26, 2021 - 100 Words -
• Series
  Apr 26, 2021 - 100 Words -
• Tags
  Apr 26, 2021 - 100 Words -
• Types
  Apr 26, 2021 - 100 Words -
• Using an Adafruit NeoTrellis Keypad with MQTT
  Apr 26, 2021 - 2200 Words -

  • home-automation
  • hardware
• Building a remote-control home automation keypad
  Apr 25, 2021 - 1100 Words -

  • home-automation
  • hardware
• code
  Mar 11, 2021 - 100 Words -
• Codenames Board Generator
  Mar 11, 2021 - 1500 Words -

  • fun
  • code
• fun
  Mar 11, 2021 - 100 Words -
• 1password
  Nov 12, 2018 - 100 Words -
• 1Password - Full Trip from Unlock to Encryption
  Nov 12, 2018 - 1900 Words -

  • security
  • cryptography
• cryptography
  Nov 12, 2018 - 100 Words -
• security
  Nov 12, 2018 - 100 Words -
• BSidesDE - A deep dive into 1Password Security
  Nov 9, 2018 - 100 Words -

  • security
  • cryptography
• Lists
  Nov 9, 2018 - 100 Words -
• presentations
  Nov 9, 2018 - 100 Words -
• reference
  Nov 9, 2018 - 100 Words -
• 1Password - Wrapping up with a few quick topics
  Nov 9, 2018 - 1400 Words -

  • security
  • cryptography
• 1Password - Local Vaults
  Nov 9, 2018 - 2400 Words -

  • security
  • cryptography
• 1Password - Into the Vaults!
  Nov 9, 2018 - 1500 Words -

  • security
  • cryptography
• 1Password - Unlocking Windows Clients
  Nov 9, 2018 - 2100 Words -

  • security
  • cryptography
• 1Password - MUKing about on the Mac
  Nov 9, 2018 - 2000 Words -

  • security
  • cryptography
• How 1Password Works - Getting under the hood
  Nov 9, 2018 - 800 Words -

  • security
  • cryptography
• Encrypting for Apple's Secure Enclave
  May 31, 2018 - 2200 Words -

  • cryptography
  • ios
  • macos
• ios
  May 31, 2018 - 100 Words -
• macos
  May 31, 2018 - 100 Words -
• crafts
  Oct 17, 2017 - 100 Words -
• Infosec Conference Badge Display
  Oct 17, 2017 - 600 Words -

  • woodworking
  • crafts
• woodworking
  Oct 17, 2017 - 100 Words -
• engineering
  Sep 12, 2017 - 100 Words -
• rant
  Sep 12, 2017 - 100 Words -
• technology
  Sep 12, 2017 - 100 Words -
• Technology Sucks
  Sep 12, 2017 - 1500 Words -

  • rant
  • technology
  • engineering
• astronomy
  Aug 24, 2017 - 100 Words -
• Eclipse.
  Aug 24, 2017 - 3900 Words -

  • photography
  • travel
  • astronomy
• photography
  Aug 24, 2017 - 100 Words -
• travel
  Aug 24, 2017 - 100 Words -
• iPhone Secure Enclave Firmware Key Found
  Aug 17, 2017 - 1700 Words -

  • ios
  • cryptography
  • security
• New Website Engine
  Aug 7, 2017 - 800 Words -

  • software
• software
  Aug 7, 2017 - 100 Words -
• homestuff
  Aug 3, 2017 - 100 Words -
• New Standing Desk
  Aug 3, 2017 - 1100 Words -

  • homestuff
• puzzles
  Jan 20, 2017 - 100 Words -
• ShmooCon 2017 Badge (and more) Contest - Solutions
  Jan 20, 2017 - 8500 Words -

  • puzzles
  • cryptography
• puzzle-data
  Jan 20, 2017 - 100 Words -
• ShmooCon 2017 Badge (and more) Contest - Challenges
  Jan 20, 2017 - 1400 Words -

  • puzzles
• BSidesROC - A (not so quick) Primer on iOS Encryption
  Apr 23, 2016 - 100 Words -

  • security
  • cryptography
  • ios
• Poem Codes - WWII Crypto Techniques
  Mar 27, 2016 - 2700 Words -

  • cryptography
• Put away the tin-foil: The Apple unlock case is complicated enough
  Feb 19, 2016 - 2100 Words -

  • cryptography
  • ios
  • security
• mobile
  Feb 10, 2016 - 100 Words -
• Mobile App Authentication using TouchID and Tidas
  Feb 10, 2016 - 1000 Words -

  • cryptography
  • ios
  • mobile
  • security
• Blizzard of 2016 Time-lapse
  Jan 22, 2016 - 1200 Words -

  • hardware
  • weather
• weather
  Jan 22, 2016 - 100 Words -
• ShmooCon - My Hash Is My Passport: Understanding Web and Mobile Authentication
  Jan 17, 2016 - 400 Words -

  • security
• DLP Considered Harmful - A Rant about Reliable Certificate Pinning
  Nov 24, 2015 - 1600 Words -

  • pki
  • rant
  • security
• pki
  Nov 24, 2015 - 100 Words -
• Thoughts on CyberUL and Infosec Research
  Jul 29, 2015 - 1900 Words -

  • security
• passwords
  Apr 21, 2015 - 100 Words -
• Salt as a Service: Interesting approach to hashing passwords
  Apr 21, 2015 - 1100 Words -

  • cryptography
  • passwords
  • security
• Nails in the Crypt - White Paper
  Mar 6, 2015 - 100 Words -

  • cryptography
  • security
• papers
  Mar 6, 2015 - 100 Words -
• Lenovo, CA Certs, and Trust
  Feb 20, 2015 - 1000 Words -

  • pki
  • security
• ShmooCon - Knock Knock: A Survey of iOS Authentication Methods
  Jan 23, 2015 - 1700 Words -

  • ios
  • security
• appletv
  Nov 18, 2014 - 100 Words -
• DerbyCon 2013 - Apple TV and Raspberry Pi Slides
  Nov 18, 2014 - 100 Words -

  • appletv
  • ios
  • reverse-engineering
• reverse-engineering
  Nov 18, 2014 - 100 Words -
• Bypassing the lockout delay on iOS devices
  Nov 18, 2014 - 700 Words -

  • ios
  • security
• Why I hate voting.
  Nov 4, 2014 - 800 Words -

  • rant
• What's the deal with keyless entry car thefts?
  Oct 28, 2014 - 1100 Words -

  • security
• link
  Oct 27, 2014 - 100 Words -
• MCX - a lousy substitute for proven technology
  Oct 27, 2014 - 700 Words -

  • privacy
  • security
• privacy
  Oct 27, 2014 - 100 Words -
• iPhone SMS forwarding -- cool, but may be risky
  Oct 24, 2014 - 700 Words -

  • ios
  • security
• Rebutting FUD and privacy issues surrounding Yosemite Spotlight
  Oct 21, 2014 - 300 Words -

  • ios
  • privacy
  • security
• NoVA Hackers - iOS Cryptography Slides
  Oct 14, 2014 - 700 Words -

  • ios
  • security
  • cryptography
• Even more posts about iOS encryption
  Oct 8, 2014 - 700 Words -

  • ios
  • security
• A (not so) quick primer on iOS encryption
  Oct 6, 2014 - 3900 Words -

  • cryptography
  • ios
  • security
• Beacons being deployed in NYC phone booths
  Oct 6, 2014 - 300 Words -

  • ios
  • privacy
• data
  Sep 5, 2014 - 100 Words -
• Internet of SCADA, or, why does my HVAC blow?
  Sep 5, 2014 - 1900 Words -

  • data
  • hardware
• Praetorian Crypto Challenge
  Aug 25, 2014 - 600 Words -
• Stealing user events from foreground apps on Android
  Aug 22, 2014 - 200 Words -

  • security
• BSidesLV 2014 Badge Contest
  Aug 10, 2014 - 4400 Words -

  • puzzles
• BSidesLV 2014 Badge Contest - Challenges
  Aug 10, 2014 - 500 Words -
• BSLV 2014 - Breaking PRNGs
  Aug 6, 2014 - 400 Words -

  • security
• Duo Security Bypasses PayPal 2FA for Mobile Apps
  Jun 25, 2014 - 300 Words -

  • security
• Early look at iOS 8 configuration profile changes
  Jun 18, 2014 - 200 Words -

  • ios
• More Mobile Malware Melodrama
  Jun 17, 2014 - 500 Words -

  • security
• iOS Malware - Still FUDish, not quite a Real Problem (yet)
  Jun 10, 2014 - 800 Words -

  • ios
  • security
• crazy-ideas
  Jun 2, 2014 - 100 Words -
• Memory Pressure, Capacity Limits, and Ubiquitous Computing
  Jun 2, 2014 - 900 Words -

  • ios
  • crazy-ideas
• Making Tunnelblick + Google Authenticator Easier to Use
  May 30, 2014 - 1100 Words -

  • code
  • cryptography
• Apple ID Compromise and Device Lockout
  May 27, 2014 - 400 Words -

  • ios
  • security
• iOS Backups are Still Broken
  May 19, 2014 - 500 Words -

  • ios
• How much of your email goes through Google?
  May 12, 2014 - 200 Words -

  • privacy
• bugs
  May 8, 2014 - 100 Words -
• Inadvertent OS X Mail Loading of Images in SPAM
  May 8, 2014 - 300 Words -

  • bugs
  • osx
  • security
• osx
  May 8, 2014 - 100 Words -
• Dark Reading on the VZ DBIR puzzle
  May 6, 2014 - 100 Words -

  • puzzles
• Referrer considered harmful: Leaking location of obscurely shared docs
  May 6, 2014 - 300 Words -

  • security
• Apple ID Madness
  May 4, 2014 - 1100 Words -

  • howto
  • ios
• howto
  May 4, 2014 - 100 Words -
• blabbering
  May 2, 2014 - 100 Words -
• It's time to (re)start.
  May 2, 2014 - 300 Words -

  • blabbering
• BSidesROC 2014 - Crypto Puzzle
  Apr 5, 2014 - 100 Words -

  • puzzles
• About
  Apr 1, 2014 - 700 Words -
• crosspost
  Mar 10, 2014 - 100 Words -
• Sanitize your outputs: Apple ID Password Logfile Disclosure
  Mar 10, 2014 - 1500 Words -

  • bugs
  • ios
  • passwords
  • security
  • appletv
• CVE-2014-1279 - Password Disclosure via Apple TV Touch Setup
  Mar 10, 2014 - 1400 Words -

  • ios
  • security
• More Fun with Apple TV Hacking (and Manual RSA Signature Validation)
  Feb 21, 2014 - 1800 Words -

  • cryptography
  • ios
  • pki
  • reverse-engineering
  • appletv
• Apple TV Hacking, Counterattacks, and Certificate Pinning
  Feb 11, 2014 - 1000 Words -

  • ios
  • pki
  • reverse-engineering
  • appletv
• ShmooCon 2014 - Crypto Puzzle Slides
  Jan 19, 2014 - 100 Words -

  • puzzles
• Good fun with bad crypto
  Jan 15, 2014 - 1300 Words -

  • cryptography
  • passwords
  • reverse-engineering
• Raspberry Pi Media Center on AppleTV - No Jailbreak Required
  Sep 29, 2013 - 2600 Words -

  • ios
  • reverse-engineering
  • appletv
• iStupid: the indescreet SSID tool
  Jun 19, 2013 - 200 Words -
• Hijacking accounts using unicode magic
  Jun 18, 2013 - 200 Words -
• Apple's security strategy: make it invisible
  Jun 14, 2013 - 200 Words -
• A chameleon for your streams
  Jun 13, 2013 - 200 Words -
• iOS 7 and Mavericks: New feature roundup from a security perspective – Intrepidus Group - Insight
  Jun 11, 2013 - 100 Words -
• iOS 7 and Mavericks: New feature roundup from a security perspective
  Jun 11, 2013 - 1300 Words -

  • ios
  • mobile
  • security
• Android Security Overview
  Jun 5, 2013 - 100 Words -
• Skout server leaked nearly-exact location information on users
  May 31, 2013 - 200 Words -
• Auto-updating iOS apps
  May 22, 2013 - 100 Words -
• Two-factor authentication for Twitter: One account at a time
  May 22, 2013 - 200 Words -
• Google Hangouts and XMPP
  May 17, 2013 - 400 Words -
• Recovering iPhone Restrictions Passcode
  May 16, 2013 - 100 Words -
• Social Share Privacy
  May 16, 2013 - 200 Words -
• How To Safely Store A Password
  May 16, 2013 - 100 Words -
• Apple, Forensics, Law Enforcement, and FUD
  May 13, 2013 - 1400 Words -

  • cryptography
  • ios
  • blabbering
  • security
• iSniff your Wi-Fi and GPS your House
  May 10, 2013 - 1300 Words -

  • ios
  • privacy
  • risk
  • tools
• risk
  May 10, 2013 - 100 Words -
• tools
  May 10, 2013 - 100 Words -
• archived-comments
  May 10, 2013 - 100 Words -
• iSniff your WiFi - Archived Comments
  May 10, 2013 - 600 Words -
• DBIR Cover Challenge 2013
  Apr 29, 2013 - 2400 Words -

  • cryptography
  • puzzles
• 2013 DBIR Puzzle - Archived Comments
  Apr 29, 2013 - 300 Words -
• iOS Configuration Profile Ransomware
  Apr 11, 2013 - 600 Words -

  • ios
  • mobile
  • security
  • phishing
• phishing
  Apr 11, 2013 - 100 Words -
• ShmooCon 2013 - Crypto Puzzle Slides
  Feb 17, 2013 - 100 Words -

  • puzzles
• conferences
  Feb 12, 2013 - 100 Words -
• Getting ready for ShmooCon
  Feb 12, 2013 - 300 Words -

  • conferences
  • cryptography
  • tools
• Evading evasi0n: iOS 6 Jailbreak Prevention
  Feb 5, 2013 - 600 Words -

  • ios
  • mdm
  • mobile
  • security
• mdm
  Feb 5, 2013 - 100 Words -
• Tracking Down the UDID Source - Archived Comments
  Sep 10, 2012 - 1100 Words -
• breach
  Sep 10, 2012 - 100 Words -
• Fidelis Decode This 2012 - Archived Comments
  Sep 10, 2012 - 100 Words -
• Tracking Down the UDID Breach Source
  Sep 10, 2012 - 1500 Words -

  • breach
  • ios
  • mobile
  • security
  • privacy
• What the flagnog? The Apple / FBI UDID breach, simplified.
  Sep 5, 2012 - 1200 Words -

  • breach
  • ios
  • privacy
  • risk
• Winning the Decode This! puzzle at Black Hat
  Aug 17, 2012 - 300 Words -

  • cryptography
  • puzzles
• Fidelis Security Systems' Decode This 2012
  Aug 17, 2012 - 1200 Words -

  • cryptography
  • puzzles
• FidSecSys Decode This 2012 Ciphertext and Hints
  Aug 17, 2012 - 200 Words -
• Apple's iOS Security Overview
  Jun 20, 2012 - 600 Words -

  • ios
  • mobile
  • security
• Apple Using Unsalted Hashes Too?
  Jun 7, 2012 - 600 Words -

  • cryptography
  • ios
  • passwords
• Verizon 2012 DBIR Challenge
  Mar 28, 2012 - 400 Words -

  • cryptography
  • puzzles
• 2012 DBIR Puzzle - Archived Comments
  Mar 28, 2012 - 600 Words -
• 2012 Verizon DBIR Cover Challenge
  Mar 28, 2012 - 3700 Words -

  • cryptography
  • puzzles
• Verizon 2012 DBIR Sources
  Mar 28, 2012 - 400 Words -
• Quick Look at Apple Configurator
  Mar 9, 2012 - 800 Words -

  • ios
  • mdm
  • mobile
  • security
• MDM Hacks - Archived Comments
  Feb 27, 2012 - 400 Words -
• iOS MDM: Preventing Disassociation DOS and Potemkin Devices
  Feb 22, 2012 - 600 Words -

  • ios
  • mdm
• Verifying a Detached S/MIME Signature in Python
  Feb 21, 2012 - 600 Words -

  • cryptography
  • pki
• BSides Phoenix 2012 Badge Puzzle
  Feb 19, 2012 - 1500 Words -

  • cryptography
  • puzzles
• BSidesPHX 2012 Images
  Feb 19, 2012 - 100 Words -
• Changes to iOS 5.0 MDM - Archived Comments
  Feb 15, 2012 - 1100 Words -
• ShmooCon 2008 Puzzle - Archived Comments
  Feb 10, 2012 - 300 Words -
• ShmooCon 2008 Badge Puzzle
  Feb 4, 2012 - 1900 Words -

  • cryptography
  • puzzles
• ShmooCon 2012 Puzzle - Archived Comments
  Feb 4, 2012 - 1700 Words -
• ShmooCon 2012 Badge Puzzle
  Feb 3, 2012 - 1800 Words -

  • cryptography
  • puzzles
• ShmooCon 2012 Puzzle Data
  Feb 3, 2012 - 100 Words -
• ShmooCon 2012 Puzzle Slides
  Feb 3, 2012 - 100 Words -
• Changes to Apple MDM for iOS 5.x
  Jan 31, 2012 - 300 Words -

  • conferences
  • ios
  • mdm
  • mobile
  • security
• ShmooCon 2012 - Apple MDM Slides
  Jan 28, 2012 - 100 Words -

  • ios
  • security
• iOS MDM Command Reference
  Jan 26, 2012 - 100 Words -

  • ios
  • security
• Finding Which Root CAs You Actually Use
  Sep 2, 2011 - 500 Words -

  • pki
  • tools
  • security
• BlackHat 2011 Fidelis Puzzle - Archived Comments
  Aug 30, 2011 - 100 Words -
• How to Lose $1000 in Vegas Without Even Gambling
  Aug 30, 2011 - 1900 Words -

  • cryptography
  • puzzles
• Fidelis Security "Decode This" Black Hat Challenge
  Aug 30, 2011 - 100 Words -
• First Anniversary
  Aug 23, 2011 - 600 Words -

  • blabbering
• BlackHat 2011 Preview - Archived Comments
  Aug 21, 2011 - 100 Words -
• Strengths and Weaknesses in Apple's MDM System
  Aug 5, 2011 - 1400 Words -

  • bugs
  • ios
  • mdm
  • tools
• BlackHat 2011 - Apple MDM Paper
  Aug 4, 2011 - 100 Words -

  • ios
  • security
• BlackHat 2011 - Apple MDM Slides
  Aug 4, 2011 - 100 Words -

  • ios
  • security
• CarolinaCon Flag Puzzle - Archived Comments
  Jul 28, 2011 - 200 Words -
• DEF CON 16 Puzzle - Archived Comments
  Jul 28, 2011 - 100 Words -
• Inside Apple's MDM Black Box -- Black Hat USA 2011
  Jul 28, 2011 - 500 Words -

  • conferences
  • ios
  • mdm
  • mobile
  • security
• Great Googly Moogly! I'm speaking at Black Hat!
  Jul 28, 2011 - 800 Words -

  • conferences
  • ios
  • security
• DEF CON 16 Punch Card Puzzle
  Jul 27, 2011 - 1400 Words -

  • cryptography
  • puzzles
• Nails in the Crypt - Archvied Comments
  May 23, 2011 - 400 Words -
• CarolinaCon Flag Puzzle
  May 8, 2011 - 1800 Words -

  • cryptography
  • puzzles
• Analysis of iOS Location Data from Multiple Devices
  Apr 25, 2011 - 2100 Words -

  • ios
  • security
• Is the iOS 4 location tracking privacy issue overblown?
  Apr 20, 2011 - 600 Words -

  • ios
  • privacy
• The 2009 Verizon Data Breach Investigation Report
  Apr 12, 2011 - 1500 Words -

  • cryptography
  • puzzles
• 2009 Verizon DBIR Ciphertext
  Apr 12, 2011 - 100 Words -
• NoVAHackers - Nails in the Crypt slides
  Apr 11, 2011 - 100 Words -
• Quantifying the Unknown: Measuring a Theoretical SecurID Attack
  Mar 22, 2011 - 1700 Words -

  • cryptography
  • passwords
  • risk
• The RSA/SecurID Compromise: What is my risk?
  Mar 18, 2011 - 900 Words -

  • cryptography
  • risk
• RSA/SecurID Compromise - Archived Comments
  Mar 18, 2011 - 1500 Words -
• iOS Overlays - Archived Comments
  Mar 12, 2011 - 100 Words -
• VeriFone vs Square - A Draw?
  Mar 9, 2011 - 600 Words -

  • ios
  • risk
• Crazy idea for multi-user iPads
  Feb 25, 2011 - 700 Words -

  • crazy-ideas
  • ios
• Simple Bypass of Safari Restrictions on iOS
  Feb 15, 2011 - 600 Words -

  • bugs
  • ios
  • security
• Bypassing MDM Restrictions for Mobile Safari on iOS 4.2
  Feb 15, 2011 - 700 Words -

  • ios
  • mdm
  • mobile
  • security
• ShmooCon 2011 Puzzle - Archived Comments
  Feb 9, 2011 - 100 Words -
• ShmooCon 2011 Badge Contest
  Feb 9, 2011 - 4400 Words -

  • cryptography
  • puzzles
• ShmooCon 7 Ciphertexts
  Feb 9, 2011 - 1200 Words -
• Breaking a 147-Year-Old Message
  Dec 30, 2010 - 4000 Words -

  • cryptography
• Civil War Code Ciphertext
  Dec 30, 2010 - 300 Words -
• Civil War Ciphers Fall!
  Dec 30, 2010 - 900 Words -

  • cryptography
• Nails in the Crypt
  Dec 22, 2010 - 800 Words -

  • crazy-ideas
  • cryptography
• Rainbow Tables for Unix DES Crypt(3) Hashes
  Dec 20, 2010 - 600 Words -

  • cryptography
  • passwords
  • tools
• ToorCon 12 Puzzle - Archived Comments
  Dec 7, 2010 - 400 Words -
• ToorCon 12 Badge Puzzle Ciphertexts
  Dec 6, 2010 - 400 Words -
• ToorCon 12 Badge Puzzle
  Dec 6, 2010 - 4500 Words -

  • cryptography
  • puzzles
• THOTCON Pre-Sale Code Puzzle
  Nov 22, 2010 - 2700 Words -

  • cryptography
  • puzzles
• DEF CON 18 Crypto Challenge
  Sep 2, 2010 - 3700 Words -

  • cryptography
  • puzzles
• DEF CON 18 Crypto Challenge Ciphertexts
  Sep 2, 2010 - 600 Words -
• Puzzles and Contests
  Aug 29, 2010 - 1800 Words -

  • puzzles
• ShmooCon 2010 Badge Puzzle Data
  Aug 29, 2010 - 100 Words -
• ShmooCon 2010 Badge Contest
  Aug 29, 2010 - 2400 Words -

  • cryptography
  • puzzles
• Quahogcon Flag Puzzle - Archived Comments
  Aug 24, 2010 - 300 Words -
• QuahogCon Flag Puzzle
  May 20, 2010 - 1900 Words -

  • cryptography
  • puzzles
• THOTCON 0x1 - Archived Comments
  May 11, 2010 - 200 Words -
• THOTCON 0x1 Puzzle
  May 11, 2010 - 2900 Words -

  • cryptography
  • puzzles
• ShmooCon 2009 Badge Contest
  Apr 27, 2010 - 2000 Words -

  • cryptography
  • puzzles
• Crazy Security Con Weekend!
  Apr 23, 2010 - 500 Words -

  • conferences
  • khanfu
• khanfu
  Apr 23, 2010 - 100 Words -
• Belief-vs-Skepticism - Archived Comments
  Apr 20, 2010 - 900 Words -
• Blind Belief vs Excessive Skepticism
  Apr 20, 2010 - 1300 Words -

  • blabbering
• Half-Baked Idea: Isolate Browser Security Contexts to Limit XSS Attacks
  Apr 14, 2010 - 1300 Words -

  • crazy-ideas
  • security
• It's Time To Start
  Apr 14, 2010 - 200 Words -

  • blabbering
• Jan 1, 0001 - 5400 Words -
• Projects
  Jan 1, 0001 - 500 Words -
• Publications
  Jan 1, 0001 - 200 Words -
• Talks and Presentations
  Jan 1, 0001 - 200 Words -
• Topics
  Jan 1, 0001 - 300 Words -