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Lesson 9 Total Cost of Ownership in E-Commerce Security. What Drives TCO?. Networks Grow in Size and Complexity Scope of Operations Increases Skilled IT labor grows scarce New applications require new solutions. What Drives TCO in Security?. Vendors produce in-secure applications

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Presentation Transcript
what drives tco
What Drives TCO?
  • Networks Grow in Size and Complexity
  • Scope of Operations Increases
  • Skilled IT labor grows scarce
  • New applications require new solutions
what drives tco in security
What Drives TCO in Security?
  • Vendors produce in-secure applications
  • Vulnerabilities proliferate
  • Business processes depend on applications
  • System availability drives profit
components to consider
Components to Consider
  • Initial Cost of Product (25% of life cycle)
  • Vendor Support Services
  • Deployment Services
  • Time for Staff to Install and Configure
  • Training Cost
  • Post Deployment Support
how to reduce tco
How to Reduce TCO?
  • Simplify Infrastructure (KISS)
  • Upgrade Infrastructure When Timing is Right
  • Minimize Labor Intensive Activities
  • Consider Remote Management
  • Know Your Assessment Parameters
slide6

Option 3

Option 2

Option 1

HIGH

Budget Line

T

C

O

Acceptable Risk

Ideal Soln

LOW

HIGH

LOW

Security Risk

evaluating the options
Evaluating the Options
  • Option 1
    • FIREWALL At Gateway Only
  • Option 2
    • DMZ
    • Anti Virus Software on all DMZ machines
  • Option 3
    • DMZ, AV S/W on DMZ Machines
    • VPN Access to all DMZ Machines
    • AV S/W and Firewalls on all Clients
things to consider
Things to Consider
  • Which Option Would You Choose?
  • Could You Determine TCO for Your Project?
  • Given a Set of Devices Could You Compute TCO?