Comptia Security+ Study Guide

Easttom, Chuck • Boek • paperback

• Samenvatting
  "Includes interactive online learning environment and study tools."--Cover
• Productinformatie
  Binding : Paperback
  Distributievorm : Boek (print, druk)
  Formaat : 178mm x 229mm
  Aantal pagina's : 463
  Uitgeverij : Wiley
  ISBN : 9781119416876
  Datum publicatie : 01-2017
  
• Inhoudsopgave
  Introduction xxiv Assessment Test xli Chapter 1 Managing Risk 1 Risk Terminology 3 Threat Assessment 6 Risk Assessment 6 Computing Risk Assessment 7 Assessing Privacy 12 Acting on Your Risk Assessment 12 Risks Associated with Cloud Computing 15 Risks Associated with Virtualization 16 Developing Policies, Standards, and Guidelines 17 Implementing Policies 17 Understanding Control Types and False Positives/Negatives 26 Risk Management Best Practices 28 Change Management 38 Summary 38 Exam Essentials 38 Review Questions 40 Chapter 2 Monitoring and Diagnosing Networks 45 Monitoring and Diagnosing Networks Terminology 47 Frameworks, Best Practices, and Configuration Guides 48 Industry-Standard Frameworks and Reference Architectures 48 National Institute of Standards and Technology (NIST) 51 Benchmarks/Secure Configuration Guides 54 Secure Network Architecture Concepts 57 Zones 57 Tunneling/VPN 63 Placing Security Devices 64 SDN 67 IDS vs. IPS 67 Secure Systems Design 68 Hardware and Firmware Security 68 Operating Systems 69 Peripherals 73 Secure Staging Deployment Concepts 73 Summary 74 Exam Essentials 74 Review Questions 76 Chapter 3 Understanding Devices and Infrastructure 79 Infrastructure Terminology 81 Designing with Security in Mind 84 Firewalls 84 VPNs and VPN Concentrators 89 Intrusion Detection Systems 91 Router 104 Switch 106 Proxy 107 Load Balancer 108 Access Point 108 SIEM 111 DLP 111 Network Access Control (NAC) 112 Mail Gateway 112 Bridge 113 SSL/TLS Accelerators 113 SSL Decryptors 113 Media Gateway 114 Hardware Security Module 114 Summary 115 Exam Essentials 115 Review Questions 116 Chapter 4 Identity and Access Management 121 Using Tools to Assess Your Network 125 Protocol Analyzer 125 Network Scanners 127 Password Cracker 130 Vulnerability Scanners 131 Command-Line Tools 135 Additional Tools 142 Troubleshooting Common Security Issues 143 Access Issues 144 Configuration Issues 145 Security Technologies 147 Intrusion Detection Systems 147 Antimalware 148 Firewalls and Related Devices 149 Other Systems 150 Contents xv Identity and Access Management Concepts 151 Identification vs. Authentication 151 Authentication (Single Factor) and Authorization 152 Multifactor Authentication 153 Biometrics 153 Federations 154 Potential Authentication and Access Problems 154 LDAP 155 PAP, SPAP, and CHAP 155 Kerberos 156 Working with RADIUS 157 TACACS, TACACS+, XTACACS 158 OATH 158 One-Time Passwords 158 SAML 159 Install and Configure Identity and Access Services 159 Mandatory Access Control 159 Discretionary Access Control 160 Role-Based Access Control 160 Rule-Based Access Control 160 ABAC 161 Smartcards 161 Tokens 162 File and Database Security 163 Summary 163 Exam Essentials 164 Review Questions 165 Chapter 5 Wireless Network Threats 169 Wireless Threat Terminology 170 Wireless Vulnerabilities to Know 171 Replay 172 Rogue APs and Evil Twins 174 Jamming 174 WPS 175 Bluejacking 175 Bluesnarfing 175 NFC and RFID 176 Disassociation 176 Wireless Commonsense 176 Wireless Attack Analogy 176 Summary 177 Exam Essentials 178 Review Questions 179 Chapter 6 Securing the Cloud 183 Cloud-Related Terminology 184 Working with Cloud Computing 186 Software as a Service (SaaS) 186 Platform as a Service (PaaS) 186 Infrastructure as a Service (IaaS) 188 Private Cloud 189 Public Cloud 189 Community Cloud 189 Hybrid Cloud 190 Working with Virtualization 190 Understanding Hypervisors 190 Understanding Containers and Application Cells 192 VDI/VDE 192 On-Premise vs. Hosted vs. Cloud 192 VM Escape Protection 193 VM Sprawl Avoidance 193 Security and the Cloud 194 Cloud Access Security Brokers 195 Cloud Storage 195 Security as a Service 195 Summary 196 Exam Essentials 196 Review Questions 197 Chapter 7 Host, Data, and Application Security 201 Threat Actors and Attributes 204 Script Kiddies 205 Hacktivist 206 Organized Crime 207 Nation-States/APT 207 Insiders 207 Competitors 207 Use of Open Source Intelligence 208 Types of Vulnerabilities 211 Configuration Issues 211 User Issues 212 Zero-Day Exploits 212 Other Issues 214 Embedded Systems Security 214 Application Vulnerabilities 216 Input Vulnerabilities 216 Memory Vulnerabilities 217 Secure Programming 217 Programming Models 218 Software Testing 218 Specific Types of Testing 219 Secure Coding Standards 220 Application Configuration Baselining 221 Operating System Patch Management 221 Application Patch Management 222 Other Application Security Issues 222 Databases and Technologies 222 Database Security 225 Secure Configurations 225 Code Issues 225 Summary 226 Exam Essentials 226 Review Questions 227 Chapter 8 Cryptography 231 An Overview of Cryptography 234 Historical Cryptography 234 Modern Cryptography 238 Working with Symmetric Algorithms 239 Working with Asymmetric Algorithms 243 Cryptography Concepts 246 Hashing Algorithms 247 Rainbow Tables and Salt 249 Key Stretching 249 Cryptanalysis Methods 250 Wi-Fi Encryption 252 Using Cryptographic Systems 254 Confidentiality and Strength 254 Integrity 254 When to Encrypt 255 Digital Signatures 256 Authentication 257 Nonrepudiation 257 Key Features 258 Understanding Cryptography Standards and Protocols 258 The Origins of Encryption Standards 259 Public Key Infrastructure X.509/Public Key Cryptography Standards 261 X.509 262 Public Key Infrastructure 264 Pretty Good Privacy 264 SSL and TLS 266 Using Public Key Infrastructure 269 Hardware-Based Encryption Devices 269 Data Encryption 269 Authentication 270 Summary 271 Exam Essentials 271 Review Questions 273 Chapter 9 Threats, Attacks, and Vulnerabilities 277 Threat and Attack Terminology 278 Living in a World of Viruses 282 Symptoms of a Virus Infection 282 How Viruses Work 283 Types of Viruses 284 Managing Spam to Avoid Viruses 286 Antivirus Software 287 Malware and Crypto-Malware 288 Understanding Various Types of Application/Service Attacks 296 Identifying Denial-of-Service and Distributed Denial-of-Service Attacks 296 Man-in-the-Middle Attacks 298 Buffer Overflow 299 Injection 299 Cross-Site Scripting and Request Forgery 302 Privilege Escalation 303 ARP Poisoning 304 Amplification 304 DNS Poisoning 304 Domain Hijacking 304 Man-in-the-Browser 305 Zero-Day Exploits 305 Replay Attacks 305 Pass the Hash 306 Hijacking and Related Attacks 306 Driver Manipulation 307 MAC and IP Spoofing Attacks 308 Summary 309 Exam Essentials 309 Review Questions 311 Chapter 10 Social Engineering and Other Foes 315 Social Engineering and Physical Security Terminology 316 Understanding Social Engineering 318 Types of Social Engineering Attacks 319 What Motivates an Attack? 325 The Principles Behind Social Engineering 326 Social Engineering Attack Examples 327 Contents xix Understanding Physical Security 330 Lighting 331 Signs 331 Fencing, Gates, and Cages 332 Security Guards 333 Alarms 333 Safe 334 Secure Cabinets and Enclosures 334 Protected Distribution 335 Protected Cabling 336 Airgap 336 Mantrap 336 Faraday Cage 337 Lock Types 337 Biometrics 338 Barricades/Bollards 339 Tokens/Cards 339 Environmental Controls 339 Cable Locks 345 Screen Filters 346 Cameras 346 Motion Detection 347 Logs 347 Infrared Detection 348 Key Management 348 Various Control Types 348 An Analogy of Control Types 349 Data Security and Privacy Practices 350 Data Destruction and Media Sanitation 350 Data Sensitivity Labeling and Handling 352 Data Roles 355 Data Retention 355 Legal and Compliance 356 Summary 356 Exam Essentials 356 Review Questions 358 Chapter 11 Security Administration 363 Connection Types 365 Cellular 365 Bluetooth 365 Wi-Fi 366 Infrared 368 SATCOM 369 Mobile Devices 369 BYOD Issues 371 Enforcement 373 Account Management Concepts 374 Account Types 375 General Concepts 376 Summary 378 Exam Essentials 378 Review Questions 379 Chapter 12 Disaster Recovery and Incident Response 383 Disaster and Incident Related Terminology 385 Penetration Testing 387 What Should You Test? 387 Vulnerability Scanning 388 Issues Associated with Business Continuity 389 Types of Storage Mechanisms 390 Crafting a Disaster-Recovery Plan 392 Incident Response Procedures 403 Understanding Incident Response 404 Tabletop Exercises 412 Summary 412 Exam Essentials 413 Review Questions 414 Appendix Answers to Review Questions 419 Chapter 1: Managing Risk 420 Chapter 2: Monitoring and Diagnosing Networks 421 Chapter 3: Understanding Devices and Infrastructure 422 Chapter 4: Identity and Access Management 423 Chapter 5: Wireless Network Threats 425 Chapter 6: Securing the Cloud 426 Chapter 7: Host, Data, and Application Security 427 Chapter 8: Cryptography 428 Chapter 9: Threats, Attacks, and Vulnerabilities 429 Chapter 10: Social Engineering and Other Foes 430 Chapter 11: Security Administration 431 Chapter 12: Disaster Recovery and Incident Response 432 Index 435
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