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e-Government Information Security

e-Government Information Security. Jay Garden INFOSEC Assessments Government Communications Security Bureau. Government Online Services. Treasury’s Crown Financial IS Land Information NZ FoRST Health Intranet irFile … many more on the way information transactions voting / referendums.

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e-Government Information Security

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  1. e-GovernmentInformation Security Jay GardenINFOSEC AssessmentsGovernment Communications Security Bureau

  2. Government Online Services • Treasury’s Crown Financial IS • Land Information NZ • FoRST • Health Intranet • irFile • … many more on the way • information • transactions • voting / referendums

  3. E-Government Initiatives • SSC E-Government Unit • SENSITIVE and IN-CONFIDENCE • Secure Electronic Environment (SEE) • SEE Mail (gateway-gateway secure mail) • SEE Key (public key certificates)

  4. SEE Overview Certificate Store Certification Authority INTERNET SSC Treasury DPM&C

  5. SEE Key • Public Key Infrastructure • authentication within Government • development of the framework, not the Certification Authorities • much more that just cryptography • certificates for citizens ?

  6. E-Government Initiatives • SSC E-Government Unit • SENSITIVE and IN-CONFIDENCE • Secure Electronic Environment (SEE) • SEE Mail (gateway-gateway secure mail) • SEE Key (public key certificates) • National Information Infrastructure

  7. National Information Infrastructure • Integrity & availability of critical systems • utilities: power, water, telecomms • emergency services • transport • finance • government • Most components not controlled by Govt • Some are out of the country • Coordination rather than control

  8. E-Government Initiatives www.e-government.govt.nz

  9. INFOSEC Technologies • Firewalls • Intrusion Detection • Vulnerability assessment • Authentication tokens, biometrics, single sign-on, remote access • Public key - digital signatures and encryption • Content filtering

  10. Enigma • Combination of • rotor selection, wiring and position • plugboard configuration • Rotor advances with each keystroke

  11. Enigma • Combination of • rotor selection, wiring and position • plugboard configuration • Rotor advances with each keystroke • 3 rotors - 3.28 x 10114 combinations • ~1080 atoms in the visible universe !! • 4 rotors - 2.33 x 10145 combinations

  12. Breaking Enigma • Overconfidence led to procedures not being followed • Weak and reused keys • known plaintext attacks • Lessons equally applicable to current COMSEC and COMPUSEC mechanisms

  13. QUESTIONS? www.gcsb.govt.nz

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