An accessible introduction to cybersecurity concepts and practices Cybersecurity Essentials provides a comprehensive introduction to the field, with expert coverage of essential topics required for entry-level cybersecurity certifications. An effective defense consists of four distinct challenges: securing the infrastructure, securing devices, securing local networks, and securing the perimeter. Overcoming these challenges requires a detailed understanding of the concepts and practices within each realm. This book covers each challenge individually for greater depth of information, with…mehr
An accessible introduction to cybersecurity concepts and practices Cybersecurity Essentials provides a comprehensive introduction to the field, with expert coverage of essential topics required for entry-level cybersecurity certifications. An effective defense consists of four distinct challenges: securing the infrastructure, securing devices, securing local networks, and securing the perimeter. Overcoming these challenges requires a detailed understanding of the concepts and practices within each realm. This book covers each challenge individually for greater depth of information, with real-world scenarios that show what vulnerabilities look like in everyday computing scenarios. Each part concludes with a summary of key concepts, review questions, and hands-on exercises, allowing you to test your understanding while exercising your new critical skills. Cybersecurity jobs range from basic configuration to advanced systems analysis and defense assessment. This book provides the foundational information you need to understand the basics of the field, identify your place within it, and start down the security certification path. Learn security and surveillance fundamentals Secure and protect remote access and devices Understand network topologies, protocols, and strategies Identify threats and mount an effective defense Cybersecurity Essentials gives you the building blocks for an entry level security certification and provides a foundation of cybersecurity knowledge
Charles J. Brooks is co-owner and vice president of Educational Technologies Group Inc., as well as co-owner of eITPrep LLP, an online training company. Christopher Grow is the president of A.C.C.N.S. Consulting and the Technichal Services manager for Educational Technologies Group L.L.C. with 20+ years of IT/IS and cyber security experience. Philip Craig is the founder of BlackByte Cyber Security, LLC, a consultancy supporting the Pacific Northwest National Laboratory (PNNL) research and national security agendas.Donald Short is the President of One World Telecommunications, Inc., an Internet Service Provider in Kennewick.
Introduction xix PART I SECURING THE INFRASTRUCTURE 1 Chapter 1 Infrastructure Security in the Real World 3 Security Challenges 3 Infrastructure Security Scenario 1 4 Infrastructure Security Scenario 2 6 Summary 8 Chapter 2 Understanding Access-Control and Monitoring Systems 9 A Quick Primer on Infrastructure Security 9 Access Control 12 Security Policies 14 Physical Security Controls 15 Locks and Keys 16 Standard Key-Locking Deadbolts 17 Solenoid-Operated Deadbolt Locks 18 Cipher Locks 19 Access-Control Gates 20 Sliding Gates 20 Swinging Gates 21 Control Relays 21 Authentication Systems 23 Magnetic Stripe Readers 24 Smart Cards 25 RFID Badges 26 Biometric Scanners 27 Remote-Access Monitoring 29 Opened- and Closed-Condition Monitoring 30 Automated Access-Control Systems 32 Hands-On Exercises 33 Discussion 34 Procedure 35 Review Questions 43 Chapter 3 Understanding Video Surveillance Systems 45 Video Surveillance Systems 45 Cameras 46 Hands-On Exercises 60 Discussion 61 Procedure 61 Review Questions 69 Chapter 4 Understanding Intrusion-Detection and Reporting Systems 71 Intrusion-Detection and Reporting Systems 71 Security Controllers 74 Sensors 77 Vehicle-Detection Sensors 82 Fire-Detection Sensors 85 Output Devices 87 Hands-On Exercises 90 Discussion 90 Procedure 92 Review Questions 94 Chapter 5 Infrastructure Security: Review Questions and Hands-On Exercises 97 Summary Points 97 Security Challenge Scenarios 101 Infrastructure Security Scenario 1 101 Infrastructure Security Scenario 2 102 Professional Feedback 102 Review Questions 107 Exam Questions 109 PART II SECURING LOCAL HOSTS 113 Chapter 6 Local Host Security in the Real World 115 Security Challenges 115 Computing Device Security Scenario 1 116 Computing Device Security Scenario 2 117 Summary 120 Chapter 7 Securing Devices 121 The Three Layers of Security 121 Securing Host Devices 123 Securing Outer-Perimeter Portals 124 Additional Inner-Perimeter Access Options 127 Hands-On Exercises 137 Objectives 137 Procedure 137 Review Questions 148 Chapter 8 Protecting the Inner Perimeter 149 The Inner Perimeter 149 Operating Systems 151 Operating System Security Choices 168 Common Operating System Security Tools 169 Using Local Administrative Tools 177 Implementing Data Encryption 182 Hands-On Exercises 188 Objectives 188 Resources 188 Discussion 189 Procedures 190 Tables 200 Lab Questions 201 Chapter 9 Protecting Remote Access 203 Protecting Local Computing Devices 203 Using a Secure Connection 204 Establishing and Using a Firewall 204 Installing and Using Anti-Malware Software 205 Removing Unnecessary Software 205 Disabling Nonessential Services 205 Disabling Unnecessary OS Default Features 205 Securing the Web Browser 205 Applying Updates and Patches 206 Requiring Strong Passwords 206 Implementing Local Protection Tools 206 Software-Based Local Firewalls 207 Using Local Intrusion-Detection Tools 209 Profile-Based Anomaly-Detection Systems 210 Threshold-Based Anomaly-Detection Systems 211 Configuring Browser Security Options 211 Configuring Security Levels 213 Configuring Script Support 214 Defending Against Malicious Software 218 Using Antivirus Programs 220 Using Antispyware 221 Hardening Operating Systems 222 Service Packs 222 Patches 222 Updates 223 Overseeing Application Software Security 223 Software Exploitation 223 Applying Software Updates and Patches 224 Hands-On Exercises 225 Objectives 225 Resources 225 Discussion 225 Procedures 226 Tables 241 Lab Questions 242 Chapter 10 Local Host Security: Review Questions and Hands-On Exercises 243 Summary Points 243 Security Challenge Scenarios 248 Computin
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