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unit_1_p2b_tech_7350_security_trends - TECH 7350 Managing...

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TECH 7350 – Managing Information Security The Graduate School of Management at the University of Dallas 1 Sandra Blanke, Ph.D, CISSP TECH 7350 MANAGING INFORMATION MANAGING INFORMATION SECURITY Sandra Blanke, Ph.D., CISSP The Graduate School of Management at the University of Dallas Unit 1 Unit 1 - Part 2B: Part 2B: Security Trends Security Trends 2 What’s better than 2-Tier Network? Answer: Three-tier architecture: For companies with credit card information or a bank will need Three-tier architecture 3 3-Tier Architecture Purpose Presentation Tier - Server farm that presents web pages to customers and accepts requests Business Tier - Business logic lives and the actual processing of data and requests Black Box or Middle Man level where no information passes from Tier 1 directly to Tier 3 – Middleware software) Back-end databases – no request comes directly to this tier without going through two firewalls, and the first two tiers
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TECH 7350 – Managing Information Security
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