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Security and Authentication Daniel L. Silver, Ph.D. Acadia & Dalhousie Univs.
Objectives ,[object Object]
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why is Security an Issue? ,[object Object],[object Object],[object Object],[object Object]
How many categories/classes of security invasions/breaches can you find? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How many categories/classes of security invasions/breaches can you find? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Components of Security Diagram by Konstantin Beznosov
Five Major Requirements of a Secure Transaction ,[object Object],[object Object],[object Object],[object Object],[object Object]
Physical Security ,[object Object],[object Object],[object Object],[object Object]
IT Security Basics ,[object Object],[object Object],[object Object],[object Object],[object Object]
Using a Firewall ,[object Object],[object Object],[object Object],[object Object]
Security through HTTPS Browser Client 1 Server A HTTP TCP/IP HTTP Server App. Server Fire Wall Server Server C Server B
IT Security Basics ,[object Object],[object Object],[object Object],[object Object],[object Object]
IT Security Basics ,[object Object],[object Object]
Cryptography ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
Public Key Cryptography ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Public Key Cryptography ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Authentication ,[object Object],[object Object],[object Object],[object Object],[object Object]
Integrity and Authentication ,[object Object],[object Object],[object Object],[object Object],[object Object]
PKI – Public Key Infrastructure ,[object Object],[object Object],[object Object],[object Object]
Model for Network Security Information Channel Message Secret Information Message Secret Information Sender Receiver Trusted Third Party Authentication or Certificate Authority Opponent
Security and HTTPS ,[object Object],[object Object],[object Object],[object Object]
Security through HTTPS Browser Database Server Client 1 Server A URL HTTP TCP/IP HTTP Server App. Server index.html Bank Server Dedicated prog.jsp HTTPS port = 80 port = 443
SSL – Secure Socket Layer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SET – Secure Electronic Transfer ,[object Object],[object Object],[object Object],[object Object],[object Object]
Major Architectural Components of the Web Internet Browser Database Server Client 1 Server A Server B Bank Server URL HTTP TCP/IP Browser Client 2 HTTP Server App. Server index.html Bank Server prog.jsp
Resources / References ,[object Object],[object Object]
THE END [email_address]

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Security

  • 1. Security and Authentication Daniel L. Silver, Ph.D. Acadia & Dalhousie Univs.
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7. Components of Security Diagram by Konstantin Beznosov
  • 8.
  • 9.
  • 10.
  • 11.
  • 12. Security through HTTPS Browser Client 1 Server A HTTP TCP/IP HTTP Server App. Server Fire Wall Server Server C Server B
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22. Model for Network Security Information Channel Message Secret Information Message Secret Information Sender Receiver Trusted Third Party Authentication or Certificate Authority Opponent
  • 23.
  • 24. Security through HTTPS Browser Database Server Client 1 Server A URL HTTP TCP/IP HTTP Server App. Server index.html Bank Server Dedicated prog.jsp HTTPS port = 80 port = 443
  • 25.
  • 26.
  • 27. Major Architectural Components of the Web Internet Browser Database Server Client 1 Server A Server B Bank Server URL HTTP TCP/IP Browser Client 2 HTTP Server App. Server index.html Bank Server prog.jsp
  • 28.