book

How Cybersecurity Really Works

Name: How Cybersecurity Really Works
Author: Sam Grubb
ISBN: 9781718501287

by Sam Grubb

June 2021

Beginner

216 pages

6h 35m

English

No Starch Press

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Title Page
Copyright
Dedication
About the Author
Preface
A Note on the Book’s ExercisesWho This Book Is ForWhat’s in the Book?
ACKNOWLEDGMENTS
Chapter 1: An Introduction to Cybersecurity
What Is Cybersecurity? Cybersecurity and Privacy What Cybersecurity Isn’t Black Hats vs. White HatsTypes of Black Hats Types of White Hats Exercise: Learning More About Cybersecurity and Threats Conclusion
Chapter 2: Attack Targets on the Internet
How the Internet WorksTCP/IP: The Backbone of the Internet Public vs. Private NetworksHow the Internet Looks to a Black Hat The Black Hat Attack Methodology Reconnaissance WeaponizationDelivery Exploitation and InstallationCommand and Control, and Attack on Objectives How Black Hats Find YouExample 1: The Merger Example 2: Social Media Hunting How to Hide from Black HatsThe Internet Is Open The Internet Is PublicThe Internet Is Forever Exercise: Analyzing Your Network Network Command Line Tools Using Shodan Conclusion
Chapter 3: Phishing Tactics
What Is Phishing?An Obvious PhishNot All Phishing Is Obvious Using Details for a More Convincing PhishVishing and Other Non-Email PhishingHow to Protect Yourself Against PhishingHow Black Hats Trick You with URLsTyposquattingComplex URLs and RedirectsModifying DNS RecordsHoaxesWhy Black Hats Love PhishingThink Twice to Avoid PhishingTake an Alternate RouteListen to Your Spidey Sense Exercise: Analyzing a Phishing EmailPhishing Email IndicatorsHeader AnalysisURL AnalysisConclusion
Chapter 4: Malware Infections
What Is Malware? Types of MalwareVirusesWormsTrojans Ransomware Spyware and Adware Rootkits and BootkitsPolymorphic Malware How Black Hats Deploy MalwareHow to Defend Against MalwareExercise: Analyzing Malware and Managing Antivirus SettingsAnalyzing Malware in Attachments Reviewing Antivirus SettingsConclusion

Chapter 5: Password Thefts and Other Account Access Tricks
AuthenticationTypes of Authentication Multi-Factor Authentication Authorization Mandatory Access ControlRule-Based Access Control Role-Based Access Control Attribute-Based Access Control Discretionary Access ControlAccounting Logging AuditingIndicators of AttackExercise: Setting Up Accounts in Windows 10 and macOSWindows 10 Access Control on macOSConclusion
Chapter 6: Network Tapping
The Basics of Network Design Attacking Your Network How Black Hats See Your Traffic Man-in-the-Middle AttacksDenial of Service Distributed Denial of ServiceDefense Against Network AttacksFirewalls Intrusion Detection Systems Intrusion Prevention SystemsExercise: Setting Up Your Firewall WindowsmacOSConclusion
Chapter 7: Attacks in the Cloud
How Cloud Computing Works Software as a Service Platform as a ServiceInfrastructure as a Service Security as a Service Attacking the CloudWeb Application AttacksDefending the CloudExercise: Performing SQL Injection on the Damn Vulnerable Web ApplicationInstalling Docker and the DVWAListing UsersFinding Database Table NamesFinding PasswordsConclusion
Chapter 8: Wireless Network Pirating
How Wireless Networks WorkWireless Standards Wireless SecurityWireless Authentication Wireless Encryption Wireless Attacks Rogue Access Points Disassociation AttacksJamming Setting Up a Wireless Network with Security in MindExercise: Secure Your WAPSetting Up Your Access PointSetting Up Wireless Security Enabling Filtering Conclusion
Chapter 9: Encryption Cracking
What Is Cryptography?What We EncryptEarly CryptographySubstitution CiphersTransposition CiphersModern CryptographySymmetric CryptographyAsymmetric CryptographyValidating Public KeysHashingWhat Happens When You Visit a Website?How Black Hats Steal Your KeysCryptanalysisAsymmetric Algorithm Attacks Protecting Your Keys How Black Hats Break HashesSalting Your HashesExercise: Encrypting and Hashing FilesEncrypting and Hashing a File in Windows 10 Protecting Files Using macOSUsing ssh-keygen to Generate a Public Key (Windows 10 or macOS)Conclusion
Chapter 10: How to Defeat Black Hats
What’s the Worst That Could Happen? RisksThreatsControlsRisk Management Programs Putting It All TogetherExercise: Conducting a Risk AnalysisFarewell and Good Luck
Index

Content preview from How Cybersecurity Really Works

4 Malware Infections

One of the most well-known types of computer attacks is the transmission of malware. Sometimes mistakenly referred to as a virus, malware, or malicious software, is any piece of software designed to bypass a system’s intended operation. This activity is typically not authorized by or even visible to the user. Malware has been around for as long as modern computers have. It comes in many forms, and despite the best efforts of antivirus software, it’s still common today.

In this chapter, we’ll discuss what malware is, some of its more popular variants, and how best to defend against it, while clearing up any misconceptions ...

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ISBN: 9781098128999

Cloud Computing

Data Engineering

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How Cybersecurity Really Works

by Sam Grubb

4 Malware Infections

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.