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Attack the Key Own the Lock

by datagram & Schuyler Towne Defcon 18 (2010) ‏ Las Vegas, NV. Attack the Key Own the Lock. Schuyler TOOOL US NDE Magazine Wheel of Fortune. About Us. Datagram Forensic locksmith Douchebag No game shows :(. How Locks Work. How Locks Work. How Locks Work. How Locks Work.

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Attack the Key Own the Lock

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  1. by datagram & Schuyler Towne Defcon 18 (2010)‏ Las Vegas, NV Attack the KeyOwn the Lock

  2. Schuyler TOOOL US NDE Magazine Wheel of Fortune About Us • Datagram • Forensic locksmith • Douchebag • No game shows :(

  3. How Locks Work

  4. How Locks Work

  5. How Locks Work

  6. How Locks Work

  7. Key Control • Availability of blanks • Distribution • Duplication/simulation

  8. Attacking the Key • Bitting depths/code • Keyway • Model of the lock • Additional security features

  9. Physical Access to Keys • Holy Grail • Duration = Attack Quality • Wrist Impressioning

  10. Direct Measurement • Key gauges • Micrometer • Calipers

  11. Copy Impressioning

  12. Copy Impressioning

  13. Copy Impressioning

  14. Visual Access to Key • Sight reading • Estimation • Photography

  15. Visual Access – UCSD

  16. Visual Access - UCSD

  17. Visual Access - Diebold

  18. Visual Access – NY MTA

  19. Key Blanks • Impressioning • Overlifting • “Reflecting” keys • Sectional keyways • Rake keys • Key bumping

  20. Universal Handcuff Keys

  21. Overlifting

  22. Overlifting

  23. Rake/Gypsy Keys

  24. Impressioning

  25. Impressioning Works Forever!

  26. Reflecting Keys

  27. Sectional Keyways

  28. Sectional Keyways

  29. Incorrect Key • Master key decoding • Bumping • Skeleton keys • Sidebar attacks • Passive component bypasses • Decoding attacks

  30. Master Key Systems

  31. Master Key Systems

  32. Master Key Systems

  33. Master Key Systems

  34. Master Key Systems

  35. Key Bumping • Basic physics • Specialized key • Easy, effective • Vendor response

  36. How Bumping Works

  37. Creating Bump Keys • Any key that fits • Cut “999” key (deepest pin depths)‏ • Use key gauges • Cut with • Hand file, dremel, key cutter

  38. Bump Keys

  39. Key Bumping

  40. Key Bumping

  41. 100% Efficiency...?

  42. Don't underestimate attackers...

  43. Bumping Hammers

  44. Side Pins

  45. Side Pins

  46. Side Pins

  47. Side Pins

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