Keesing Journal 41



  • Full circle


  • Current aspects in machine authentication of security documents
  • Part 1: Do we need optical document security?

General interest:

  • Innovation drives hologram document protection
  • New developments prove potent weapon in the battle against ID counterfeiting

Practical experience:

  • Forensic documentology
  • Knowledge of security printing industry vital for identifying documents


  • Seeing eye to eye on iris recognition Part 1


  • Documented thoughts by Julian Ashbourn

General interest:

  • ICAO Public Key Directory
  • Benefits and use of the PKD in the interest of security and facilitation

Cases analysed:

  • ID Ecosystems
  • Considerations in the delivery of secure multifunctional credentials

General interest:

  • The biometric sea
  • Increasing number of biometrics stored can lead to matching errors


  • OpalPrint
  • Printing an optically variable rainbow


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