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• Cover
• Title Page
• Copyright Page
• Table of Contents
• Introduction
• About This Book
• Foolish Assumptions
• Icons Used in This Book
• Beyond the Book
• Chapter 1 Networking and Security: Trends and Challenges
• The Way We Work Has Changed
• Cloud adoption
• Remote offices
• Roaming users
• More network traffic
• Understanding Networking and Security Challenges
• Rising costs of traditional networking architecture
• Inefficiencies in the centralized network model
• Performance issues with "run-the-business" SaaS apps
• Too many siloed security tools and integration challenges
• Security talent shortage and increasing personnel costs
• New cyberthreats taking advantage of security gaps
• Chapter 2 The Evolution of Networking and Security Solutions
• Looking at Traditional WAN Technologies
• Exploring SD-WAN Solutions
• Tackling Internet Security Threats
• Getting Sassy with SASE
• Chapter 3 SASE: Combining Security and Networking Functionality
• Recognizing Security Challenges
• Key Characteristics and Benefits of SASE
• Starting Your SASE Journey
• Networking first step
• Security first step
• Chapter 4 SASE Components and the Cisco Approach
• Key SASE Solution Components
• Software-defined wide area network
• Domain name system layer security
• Secure web gateway
• Firewall as a service
• Cloud access security broker
• Zero Trust Network access
• Cisco's Approach to SASE
• Cisco SD-WAN: Flexible cloud-managed networking
• Cisco Umbrella: Multi-function cloud-native security
• DNS-layer security
• Secure web gateway (SWG)
• Cloud-delivered firewall
• Cloud access security broker (CASB) functionality
• Interactive threat intelligence
• Umbrella and SD-WAN integration
• Cisco SecureX
• Zero Trust with Cisco Duo
• Combined benefits unique to Cisco
• Chapter 5 Ten Key Takeaways
• More Remote Offices and Roaming Users
• DIA Is the New Normal
• SaaS Apps Are Taking Over
• The Old Way of Networking Is Slow and Expensive
• Network Architecture Is Meeting New Demands
• Look for a Solution That Reduces Cost and Complexity
• Don't Compromise on Network Performance
• Always Keep Security Top-of-Mind
• Make Life Easier for Your Operations Team
• Every Journey Starts with a Single Step
• EULA