Network Defense and Countermeasures

Everything you need to know about modern network attacks and defense, in one book Clearly explains core network security concepts, challenges, technologies, and skills Thoroughly updated for the latest attacks and countermeasures The perfect beginner"s guide for anyone interested in a network security career ¿ Security is the IT industry"s hottest topic–and that"s where the hottest opportunities are, too. Organizations desperately need professionals who can help them safeguard against the most sophisticated attacks ever created–attacks from well-funded global criminal syndicates, and even governments. ¿ Today, security begins with defending the organizational network. Network Defense and Countermeasures, Second Edition is today"s most complete, easy-to-understand introduction to modern network attacks and their effective defense. From malware and DDoS attacks to firewalls and encryption, Chuck Easttom blends theoretical foundations with up-to-the-minute best-practice techniques. Starting with the absolute basics, he discusses crucial topics many security books overlook, including the emergence of network-based espionage and terrorism. ¿ If you have a basic understanding of networks, that"s all the background you"ll need to succeed with this book: no math or advanced computer science is required. You"ll find projects, questions, exercises, case studies, links to expert resources, and a complete glossary–all designed to deepen your understanding and prepare you to defend real-world networks. ¿ Learn how to Understand essential network security concepts, challenges, and careers Learn how modern attacks work Discover how firewalls, intrusion detection systems (IDS), and virtual private networks (VPNs) combine to protect modern networks Select the right security technologies for any network environment Use encryption to protect information Harden Windows and Linux systems and keep them patched Securely configure web browsers to resist attacks Defend against malware Define practical, enforceable security policies Use the "6 Ps" to assess technical and human aspects of system security Detect and fix system vulnerability Apply proven security standards and models, including Orange Book, Common Criteria, and Bell-LaPadula Ensure physical security and prepare for disaster recovery Know your enemy: learn basic hacking, and see how to counter it Understand standard forensic techniques and prepare for investigations of digital crime ¿

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