Hands-On Cybersecurity with Blockchain. Implement DDoS protection, PKI-based identity, 2FA, and DNS security using Blockchain

Rajneesh Gupta

Blockchain technology is being welcomed as one of the most revolutionary and impactful innovations of today. Blockchain technology was first identified in the world’s most popular digital currency, Bitcoin, but has now changed the outlook of several organizations and empowered them to use it even for storage and transfer of value.This book will start by introducing you to the common cyberthreat landscape and common attacks such as malware, phishing, insider threats, and DDoS. The next set of chapters will help you to understand the workings of Blockchain technology, Ethereum and Hyperledger architecture and how they fit into the cybersecurity ecosystem. These chapters will also help you to write your first distributed application on Ethereum Blockchain and the Hyperledger Fabric framework. Later, you will learn about the security triad and its adaptation with Blockchain. The last set of chapters will take you through the core concepts of cybersecurity, such as DDoS protection, PKI-based identity, 2FA, and DNS security. You will learn how Blockchain plays a crucial role in transforming cybersecurity solutions.Toward the end of the book, you will also encounter some real-world deployment examples of Blockchain in security cases, and also understand the short-term challenges and future of cybersecurity with Blockchain.

Security Monitoring with Wazuh. A hands-on guide to effective enterprise security using real-life use cases in Wazuh

Rajneesh Gupta, Santiago Bassett

Strengthen your cybersecurity posture with Wazuh’s powerful security monitoring and compliance capabilities.Security Monitoring with Wazuh is a comprehensive, hands-on guide that helps you deploy, configure, and optimize Wazuh to detect threats, automate incident response, and enforce compliance. With real-world use cases, step-by-step configurations, and tool integrations, this book equips you to build an enterprise-grade defense system.You'll begin by setting up an Intrusion Detection System (IDS) using Wazuh and integrating Suricata to monitor network and host-based threats. Moving forward, you'll explore malware detection, vulnerability assessment, and security automation with SOAR. The book also covers threat intelligence, incident response, and proactive threat hunting, helping you detect and mitigate cybersecurity risks effectively.Beyond detection, you'll enforce compliance with industry standards such as MITRE ATT&CK, PCI DSS, and GDPR, ensuring regulatory adherence and security best practices. By integrating Wazuh with TheHive, Cortex, MISP, and other security tools, you'll streamline threat analysis and response.By the end of this book, you'll master Wazuh's full potential, enabling you to deploy, manage, and enhance security monitoring across your infrastructure—from on-premises to cloud environments.