Overview

"All you need to know about defending networks, in one book Clearly explains concepts, terminology, challenges, tools, and skills Covers key security standards and models for business and government The perfect introduction for all network/computer security professionals and students Welcome to today's most useful and practical introduction to defending modern networks. Drawing on decades of experience, Chuck Easttom brings together updated coverage of all the concepts, terminology, techniques, and solutions you'll need to be effective. Easttom thoroughly introduces the core technologies of modern network security, including firewalls, intrusion-detection systems, and VPNs. Next, he shows how encryption can be used to safeguard data as it moves across networks. You'll learn how to harden operating systems, defend against malware and network attacks, establish robust security policies, and assess network security using industry-leading standards and models. You'll also find thorough coverage of key issues such as physical security, forensics, and cyberterrorism. Throughout, Easttom blends theory and application, helping you understand both what to do and why. In every chapter, quizzes, exercises, projects, and web resources deepen your understanding and help you use what you've learned—in the classroom and in your career. LEARN HOW TO Evaluate key network risks and dangers Choose the right network security approach for your organization Anticipate and counter widespread network attacks, including those based on ""social engineering"" Successfully deploy and apply firewalls and intrusion detection systems Secure network communication with virtual private networks Protect data with cryptographic public/private key systems, digital signatures, and certificates Defend against malware, including ransomware, Trojan horses, and spyware Harden operating systems and keep their security up to date Define and implement security policies that reduce risk Explore leading security standards and models, including ISO and NIST standards Prepare for an investigation if your network has been attacked Understand the growing risks of espionage and cyberterrorism"

Full Product Details

Author:   William Easttom, II
Publisher:   Pearson Education (US)
Imprint:   Pearson IT Certification
Edition:   4th edition
Dimensions:   Width: 17.80cm , Height: 3.00cm , Length: 23.00cm
Weight:   0.955kg
ISBN:  

9780138200589

ISBN 10:   0138200580
Pages:   624
Publication Date:   04 April 2024
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

    Preface xxiii Chapter 1: Introduction to Network Security 2     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2     The Basics of a Network.. . . . . . . . . . . . . . . . . . . . . . . . . 3     Basic Network Utilities.. . . . . . . . . . . . . . . . . . . . . . . . . 11     The OSI Model.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15     What Does This Mean for Security?. . . . . . . . . . . . . . . . . . . . 16     Assessing Likely Threats to the Network. . . . . . . . . . . . . . . . . . 16     Classifications of Threats.. . . . . . . . . . . . . . . . . . . . . . . . 20     Likely Attacks.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24     Threat Assessment.. . . . . . . . . . . . . . . . . . . . . . . . . . . 25     Understanding Security Terminology.. . . . . . . . . . . . . . . . . . . . 26     Choosing a Network Security Approach.. . . . . . . . . . . . . . . . . . 30     Network Security and the Law.. . . . . . . . . . . . . . . . . . . . . . 32     Using Security Resources. . . . . . . . . . . . . . . . . . . . . . . . 34     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35     Endnotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Chapter 2: Types of Attacks 42     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42     Understanding Denial of Service Attacks.. . . . . . . . . . . . . . . . . . 43     Defending Against Buffer Overflow Attacks.. . . . . . . . . . . . . . . . . 63     Defending Against IP Spoofing. . . . . . . . . . . . . . . . . . . . . . 64     Defending Against Session Hijacking.. . . . . . . . . . . . . . . . . . . 66     Blocking Virus and Trojan Horse Attacks. . . . . . . . . . . . . . . . . . 66     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75     Endnotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Chapter 3: Fundamentals of Firewalls 82     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82     What Is a Firewall?. . . . . . . . . . . . . . . . . . . . . . . . . . . 83     Implementing Firewalls.. . . . . . . . . . . . . . . . . . . . . . . . . 90     Firewall Deployment.. . . . . . . . . . . . . . . . . . . . . . . . . . 95     Selecting and Using a Firewall.. . . . . . . . . . . . . . . . . . . . . . 96     Using Proxy Servers.. . . . . . . . . . . . . . . . . . . . . . . . . . 97     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Chapter 4: Firewall Practical Applications 106     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106     Using Single Machine Firewalls.. . . . . . . . . . . . . . . . . . . . . 107     Windows 10 Firewall.. . . . . . . . . . . . . . . . . . . . . . . . . . 108     User Account Control.. . . . . . . . . . . . . . . . . . . . . . . . . 110     Linux Firewalls.. . . . . . . . . . . . . . . . . . . . . . . . . . . . 110     Using Small Office/Home Office Firewalls.. . . . . . . . . . . . . . . . . 118     Using Medium-Sized Network Firewalls.. . . . . . . . . . . . . . . . . . 121     Using Enterprise Firewalls. . . . . . . . . . . . . . . . . . . . . . . . 124     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125     Endnotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 Chapter 5: Intrusion-Detection Systems 132     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132     Understanding IDS Concepts.. . . . . . . . . . . . . . . . . . . . . . 133     IDS Components and Processes.. . . . . . . . . . . . . . . . . . . . . 135     SIEM.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136     Evasion Techniques.. . . . . . . . . . . . . . . . . . . . . . . . . . 137     Understanding and Implementing IDSs.. . . . . . . . . . . . . . . . . . 138     Understanding and Implementing Honeypots. . . . . . . . . . . . . . . . 141     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Chapter 6: Encryption Fundamentals 152     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152     The History of Encryption.. . . . . . . . . . . . . . . . . . . . . . . . 153     Learning About Modern Encryption Methods.. . . . . . . . . . . . . . . . 160     Identifying Good Encryption.. . . . . . . . . . . . . . . . . . . . . . . 173     Understanding Digital Signatures and Certificates.. . . . . . . . . . . . . . 174     MAC and HMAC.. . . . . . . . . . . . . . . . . . . . . . 179     Understanding and Using Decryption.. . . . . . . . . . . . . . . . . . . 179     Cracking Passwords.. . . . . . . . . . . . . . . . . . . . . . . . . . 180     Steganography. . . . . . . . . . . . . . . . . . . . . . . . . . . . 184     Steganalysis.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185     Quantum Computing and Quantum Cryptography. . . . . . . . . . . . . . 186     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187     Endnote.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187 Chapter 7: Virtual Private Networks 194     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194     Basic VPN Technology.. . . . . . . . . . . . . . . . . . . . . . . . . 195     Using VPN Protocols for VPN Encryption.. . . . . . . . . . . . . . . . . 197     IPsec.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206     SSL/TLS.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207     Other VPN Protocols.. . . . . . . . . . . . . . . . . . . . . . . . . . 209     Implementing VPN Solutions.. . . . . . . . . . . . . . . . . . . . . . 210     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215     Endnotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 Chapter 8: Operating System Hardening 222     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222     Configuring Windows Properly.. . . . . . . . . . . . . . . . . . . . . . 223     Configuring Linux Properly.. . . . . . . . . . . . . . . . . . . . . . . 244     Patching the Operating System.. . . . . . . . . . . . . . . . . . . . . 245     Configuring Browsers.. . . . . . . . . . . . . . . . . . . . . . . . . 246     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 Chapter 9: Defending Against Virus Attacks 260     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260     Understanding Virus Attacks.. . . . . . . . . . . . . . . . . . . . . . 261     Virus Scanners.. . . . . . . . . . . . . . . . . . . . . . . . . . . . 270     Virus Scanning Techniques. . . . . . . . . . . . . . . . . . 272     When Antivirus Causes a Problem. . . . . . . . . . . . . . . 274     Commercial Antivirus Software.. . . . . . . . . . . . . . . . 274     Antivirus Policies and Procedures.. . . . . . . . . . . . . . . . . . . . 283     Additional Methods for Defending Your System.. . . . . . . . . . . . . . . 284     What to Do If Your System Is Infected by a Virus.. . . . . . . . . . . . . . 285     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288     Endnotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288 Chapter 10: Defending Against Trojan Horses and Phishing 296     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296     Trojan Horses.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297     Phishing.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313     Endnotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313 Chapter 11: Security Policies 318     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318     ISO 27002. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319     Important Standards.. . . . . . . . . . . . . . . . . . . . . . . . . . 322     Defining User Policies.. . . . . . . . . . . . . . . . . . . . . . . . . 324     Defining System Administration Policies.. . . . . . . . . . . . . . . . . . 331     Defining Access Control.. . . . . . . . . . . . . . . . . . . . . . . . 336     Defining Developmental Policies.. . . . . . . . . . . . . . . . . . . . . 337     Disaster Recovery.. . . . . . . . . . . . . . . . . . . . . . . . . . . 338     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339 Chapter 12: Assessing System Security 346     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346     Risk Assessment Concepts.. . . . . . . . . . . . . . . . . . . . . . . 347     Evaluating the Security Risk.. . . . . . . . . . . . . . . . . . . . . . . 348     Conducting the Initial Assessment. . . . . . . . . . . . . . . . . . . . 351     Probing the Network.. . . . . . . . . . . . . . . . . . . . . . . . . . 357     Vulnerabilities.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381     McCumber Cube.. . . . . . . . . . . . . . . . . . . . . . . . . . . 384     Security Documentation.. . . . . . . . . . . . . . . . . . . . . . . . 385     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388 Chapter 13: Security Standards 394     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394     COBIT.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394     ISO Standards.. . . . . . . . . . . . . . . . . . . . . . . . . . . . 396     NIST Standards.. . . . . . . . . . . . . . . . . . . . . . . . . . . . 397     U.S. DoD Standards.. . . . . . . . . . . . . . . . . . . . . . . . . . 403     Using the Common Criteria.. . . . . . . . . . . . . . . . . . . . . . . 405     Using Security Models.. . . . . . . . . . . . . . . . . . . . . . . . . 407     U.S. Federal Regulations, Guidelines, and Standards.. . . . . . . . . . . . 410     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413     Endnotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414 Chapter 14: Physical Security and Disaster Recovery 422     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422     Physical Security.. . . . . . . . . . . . . . . . . . . . . . . . . . . 422     Disaster Recovery.. . . . . . . . . . . . . . . . . . . . . . . . . . . 428     Ensuring Fault Tolerance.. . . . . . . . . . . . . . . . . . . . . . . . 432     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435 Chapter 15: Techniques Used by Attackers 438     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438     Preparing to Hack.. . . . . . . . . . . . . . . . . . . . . . . . . . . 439     The Attack Phase. . . . . . . . . . . . . . . . . . . . . . . . . . . 453     Session Hijacking. . . . . . . . . . . . . . . . . . . . . . . . . . . 457     Wi-Fi Hacking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 459     Bluetooth Hacking.. . . . . . . . . . . . . . . . . . . . . . . . . . . 459     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462 Chapter 16: Introduction to Forensics 466     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466     General Forensics Guidelines.. . . . . . . . . . . . . . . . . . . . . . 467     FBI Forensics Guidelines. . . . . . . . . . . . . . . . . . . . . . . . 470     Imaging a Drive.. . . . . . . . . . . . . . . . . . . . . . . . . . . . 471     Finding Evidence on the PC.. . . . . . . . . . . . . . . . . . . . . . . 474     Gathering Evidence from a Cell Phone.. . . . . . . . . . . . . . . . . . 485     Forensic Tools to Use.. . . . . . . . . . . . . . . . . . . . . . . . . 491     AccessData Forensic Toolkit.. . . . . . . . . . . . . . . . . 491     EnCase.. . . . . . . . . . . . . . . . . . . . . . . . . . 492     The Sleuth Kit. . . . . . . . . . . . . . . . . . . . . . . 492     OSForensics. . . . . . . . . . . . . . . . . . . . . . . . 492     Forensic Science.. . . . . . . . . . . . . . . . . . . . . . . . . . . 493     To Certify or Not to Certify?.. . . . . . . . . . . . . . . . . . . . . . . 493     Expert Witnesses.. . . . . . . . . . . . . . . . . . . . . . . . . . . 494     Additional Types of Forensics.. . . . . . . . . . . . . . . . . . . . . . 495     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499     Endnote.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499 Chapter 17: Cyber Warfare and Terrorism 504     Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 504     Defending Against Computer-Based Espionage. . . . . . . . . . . . . . . 505     Defending Against Computer-Based Terrorism. . . . . . . . . . . . . . . 508     Choosing Defense Strategies.. . . . . . . . . . . . . . . . . . . . . . 514     Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 524     Endnotes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 524 Appendix A: Answers 530 Glossary 542   9780138200589, 9/1/2023

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Dr. Chuck Easttom is the author of 41 books, including several on computer security, forensics, and cryptography. He is also an inventor with 25 patents and the author of over 70 research papers. He holds a Doctor of Science in cybersecurity, a Ph.D. in nanotechnology, a Ph.D. in computer science, and three master's degrees (one in applied computer science, one in education, and one in systems engineering). He is a senior member of both the IEEE and the ACM. He is also a Distinguished Speaker of the ACM and a Distinguished Visitor of the IEEE. Dr. Easttom is currently an adjunct professor for Georgetown University and for Vanderbilt University.

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