Linux Security Fundamentals

Your Network Behavior 73 Other Stuff 74 Summary 74 Back to the Basics 75 Review Questions 76 Chapter 5 Encrypting Your Data at Rest 81 What is Encryption? 82 Encryption Usage Patterns 85 What Should You Encrypt? 85 Understanding Hashing vs. Encryption 86 What Are Blockchains? 86 Encryption Technologies 87 Summary 89 Back to the Basics 89 Review Questions 90 Chapter 6 Encrypting Your Moving Data 93 Website Encryption 94 Why You Should Use Encryption 95 How Website Encryption Works 96 Generating Certificates 98 Email Encryption 99 GNU Privacy Guard 100 Does Gmail Encrypt Your Emails? 100 Working with VPN Connections and Software Repositories 100 Securing Your Actions Using VPNs 101 Securing Transfers from Software Repositories 104 Summary 105 Back to the Basics 105 Review Questions 106 Chapter 7 Risk Assessment 109 Conducting Open Source Intelligence Gathering 111 Accessing Public Vulnerability Databases 112 Vulnerability Data Frameworks 112 Vulnerability Data Formats 113 Vulnerability Data Metrics 114 Vulnerability Data Management Tools 114 Conducting Vulnerability Scans 115 Conducting Penetration Tests 117 Attack Vectors 118 Tooling Frameworks 118 Follow-Up 119 Summary 119 Back to the Basics 120 Review Questions 121 Chapter 8 Configuring System Backups and Monitoring 125 Why You Need to Get Backups Right the First Time 127 Appreciating the Risks 128 Spreading Your Backups Across Multiple Sites 129 Testing Your Backups 130 Meeting Regulatory Compliance 131 Backup Types 132 Incremental Backups 132 Differential Backups 133 Backup Life Cycles 133 Multitier Backups 133 Multisite Storage Solutions 134 Disaster Recovery Planning 134 Configuring Monitoring and Alerts 135 Working with System Logs 135 Intrusion Detection 136 Summary 137 Back to the Basics 138 Review Questions 139 Chapter 9 Resource Isolation Design Patterns 143 Configuring Network Firewalling 145 Balancing Public and Private Networks 145 Building Isolated Development Environments 147 Working with Sandbox Environments 148 Use Cases for Sandboxes 148 Sandbox Designs 149 Controlling Local System Access 150 Configuring Mandatory Access Controls 150 Setting Usage Quotas 151 Summary 152 Back to the Basics 152 Review Questions 153 Appendix Answers to Review Questions 155 Chapter 1: Using Digital Resources Responsibly 156 Chapter 2: What are Vulnerabilities and Threats? 157 Chapter 3: Controlling Access to Your Assets 158 Chapter 4: Controlling Network Connections 160 Chapter 5: Encrypting Your Data at Rest 161 Chapter 6: Encrypting Your Moving Data 162 Chapter 7: Risk Assessment 163 Chapter 8: Configuring System Backups and Monitoring 165 Chapter 9: Resource Isolation Design Patterns 166 Index 167