Secret Sharer

Joseph Conrad

This is a story of less than 100 pages, but in it Conrad demonstrates how many great writers do it, the simple and elegant power of short work. Here, a writer can briefly convey a compelling message in an economic way. The situation is in the southern seas, and we see that our narrator takes his first command near the Gulf of Thailand. A strange young captain finds refuge and harbors another man, and they make a strange friendship.

Securing Blockchain Networks like Ethereum and Hyperledger Fabric. Learn advanced security configurations and design principles to safeguard Blockchain networks

Alessandro Parisi

Blockchain adoption has extended from niche research to everyday usage. However, despite the blockchain revolution, one of the key challenges faced in blockchain development is maintaining security, and this book will demonstrate the techniques for doing this.You’ll start with blockchain basics and explore various blockchain attacks on user wallets, and denial of service and pool mining attacks. Next, you’ll learn cryptography concepts, consensus algorithms in blockchain security, and design principles while understanding and deploying security implementation guidelines. You’ll not only cover architectural considerations, but also work on system and network security and operational configurations for your Ethereum and Hyperledger Fabric network. You’ll later implement security at each level of blockchain app development, understanding how to secure various phases of a blockchain app using an example-based approach. You’ll gradually learn to securely implement and develop decentralized apps, and follow deployment best practices. Finally, you’ll explore the architectural components of Hyperledger Fabric, and how they can be configured to build secure private blockchain networks.By the end of this book, you’ll have learned blockchain security concepts and techniques that you can implement in real blockchain production environments.

Securing Cloud PCs and Azure Virtual Desktop. Start implementing and optimizing security for Windows 365 and AVD infrastructure

Dominiek Verham, Johan Vanneuville, Christiaan Brinkhoff, Scott Manchester

Do you want to effectively implement and maintain secure virtualized systems? This book will give you a comprehensive understanding of Microsoft virtual endpoints, from the fundamentals of Windows 365 and Azure Virtual Desktop to advanced security measures, enabling you to secure, manage, and optimize virtualized environments in line with contemporary cybersecurity challenges.You’ll start with an introduction to Microsoft technologies, gaining a foundational understanding of their capabilities. Next, you’ll delve into the importance of endpoint security, addressing the challenges faced by companies in safeguarding their digital perimeters. This book serves as a practical guide to securing virtual endpoints, covering topics such as network access, data leakage prevention, update management, threat detection, and access control configuration. As you progress, the book offers insights into the nuanced security measures required for Windows 365, Azure Virtual Desktop, and the broader Microsoft Azure infrastructure. The book concludes with real-world use cases, providing practical scenarios for deploying Windows 365 and Azure Virtual Desktop.By the end of this book, you’ll be equipped with practical skills for implementing and evaluating robust endpoint security strategies.

Securing Hadoop. Implement robust end-to-end security for your Hadoop ecosystem

Sudheesh Narayan

Security of Big Data is one of the biggest concerns for enterprises today. How do we protect the sensitive information in a Hadoop ecosystem? How can we integrate Hadoop security with existing enterprise security systems? What are the challenges in securing Hadoop and its ecosystem? These are the questions which need to be answered in order to ensure effective management of Big Data. Hadoop, along with Kerberos, provides security features which enable Big Data management and which keep data secure.This book is a practitioner's guide for securing a Hadoop-based Big Data platform. This book provides you with a step-by-step approach to implementing end-to-end security along with a solid foundation of knowledge of the Hadoop and Kerberos security models.This practical, hands-on guide looks at the security challenges involved in securing sensitive data in a Hadoop-based Big Data platform and also covers the Security Reference Architecture for securing Big Data. It will take you through the internals of the Hadoop and Kerberos security models and will provide detailed implementation steps for securing Hadoop. You will also learn how the internals of the Hadoop security model are implemented, how to integrate Enterprise Security Systems with Hadoop security, and how you can manage and control user access to a Hadoop ecosystem seamlessly. You will also get acquainted with implementing audit logging and security incident monitoring within a Big Data platform.

Securing Industrial Control Systems and Safety Instrumented Systems. A practical guide for safeguarding mission and safety critical systems

Jalal Bouhdada, Marco Ayala

As modern process facilities become increasingly sophisticated and vulnerable to cyber threats, securing critical infrastructure is more crucial than ever. This book offers an indispensable guide to industrial cybersecurity and Safety Instrumented Systems (SIS), vital for maintaining the safety and reliability of critical systems and protecting your operations, personnel, and assets.Starting with SIS design principles, the book delves into the architecture and protocols of safety networks. It provides hands-on experience identifying vulnerabilities and potential attack vectors, exploring how attackers might target SIS components. You’ll thoroughly analyze Key SIS technologies, threat modeling, and attack techniques targeting SIS controllers and engineer workstations. The book shows you how to secure Instrument Asset Management Systems (IAMS), implement physical security measures, and apply integrated risk management methodologies. It also covers compliance with emerging cybersecurity regulations and industry standards worldwide.By the end of the book, you’ll have gained practical insights into various risk assessment methodologies and a comprehensive understanding of how to effectively protect critical infrastructure.

Securing Network Infrastructure. Discover practical network security with Nmap and Nessus 7

Sairam Jetty, Sagar Rahalkar

Digitization drives technology today, which is why it’s so important for organizations to design security mechanisms for their network infrastructures. Analyzing vulnerabilities is one of the best ways to secure your network infrastructure.This Learning Path begins by introducing you to the various concepts of network security assessment, workflows, and architectures. You will learn to employ open source tools to perform both active and passive network scanning and use these results to analyze and design a threat model for network security. With a firm understanding of the basics, you will then explore how to use Nessus and Nmap to scan your network for vulnerabilities and open ports and gain back door entry into a network. As you progress through the chapters, you will gain insights into how to carry out various key scanning tasks, including firewall detection, OS detection, and access management to detect vulnerabilities in your network.By the end of this Learning Path, you will be familiar with the tools you need for network scanning and techniques for vulnerability scanning and network protection.This Learning Path includes content from the following Packt books:•Network Scanning Cookbook by Sairam Jetty•Network Vulnerability Assessment by Sagar Rahalkar

Securing Remote Access in Palo Alto Networks. Practical techniques to enable and protect remote users, improve your security posture, and troubleshoot next-generation firewalls

Tom Piens aka 'reaper'

This book builds on the content found in Mastering Palo Alto Networks, focusing on the different methods of establishing remote connectivity, automating log actions, and protecting against phishing attacks through user credential detection.Complete with step-by-step instructions, practical examples, and troubleshooting tips, you will gain a solid understanding of how to configure and deploy Palo Alto Networks remote access products. As you advance, you will learn how to design, deploy, and troubleshoot large-scale end-to-end user VPNs. Later, you will explore new features and discover how to incorporate them into your environment.By the end of this Palo Alto Networks book, you will have mastered the skills needed to design and configure SASE-compliant remote connectivity and prevent credential theft with credential detection.

Securing WebLogic Server 12c. Learn to develop, administer and troubleshoot for WebLogic Server with this book and

Rinaldi Vincenzo, Luca Masini, Vincenzo Rinaldi

Security is a must in modern Enterprise architecture, and WebLogic implements a very complete and complex architecture for configuration and implementation, and we need to deeply know in technologies, terminology and how the security process works between all actors.Transparent security of your applications and Weblogic infrastructure need a good knowledge of the issues you can incur in this long and error prone configuration process.Securing WebLogic Server 12c will simplify a complex world like WebLogic Security, helping the reader to implement and configure. It's the only fast guide that will let you develop and deploy in a production system with best practices both from the development world and the operation world.This book will try to make a clear picture of Java EE Security with clean and simple step-by-step examples that will guide the reader to security implementation and configurationFrom the concepts of Java EE Security to the development of secure application, from the configuration of a realm to the setup of Kerberos Single Sign on, every concept is expressed in simple terms and surrounded by examples and pictures. Finally, also a way to develop WebLogic Security Providers with Maven, so that you can add the security part of your infrastructure to your enterprise best practices.

Security Automation with Ansible 2. Leverage Ansible 2 to automate complex security tasks like application security, network security, and malware analysis

Akash Mahajan, MADHU AKULA

Security automation is one of the most interesting skills to have nowadays. Ansible allows you to write automation procedures once and use them across your entire infrastructure. This book will teach you the best way to use Ansible for seemingly complex tasks by using the various building blocks available and creating solutions that are easy to teach others, store for later, perform version control on, and repeat.We’ll start by covering various popular modules and writing simple playbooks to showcase those modules. You’ll see how this can be applied over a variety of platforms and operating systems, whether they are Windows/Linux bare metal servers or containers on a cloud platform. Once the bare bones automation is in place, you’ll learn how to leverage tools such as Ansible Tower or even Jenkins to create scheduled repeatable processes around security patching, security hardening, compliance reports, monitoring of systems, and so on. Moving on, you’ll delve into useful security automation techniques and approaches, and learn how to extend Ansible for enhanced security. While on the way, we will tackle topics like how to manage secrets, how to manage all the playbooks that we will create and how to enable collaboration using Ansible Galaxy. In the final stretch, we’ll tackle how to extend the modules of Ansible for our use, and do all the previous tasks in a programmatic manner to get even more powerful automation frameworks and rigs.

Security Automation with Python. Practical Python solutions for automating and scaling security operations

Corey Charles Sr., Frank McMahon

Designed to address the most common pain point for security teams—scalability—Security Automation with Python leverages the author’s years of experience in vulnerability management to provide you with actionable guidance on automating security workflows to streamline your operations and improve your organization’s overall security posture.What makes this book stand out is its hands-on approach. You won’t just learn theoretical concepts—you’ll apply Python-based automation techniques directly to real-world scenarios. Whether you're automating vulnerability scans, managing firewall rules, or responding to security incidents, this book provides clear examples and use cases, breaking down complex topics into easily digestible steps. With libraries like Paramiko, Requests, and PyAutoGUI, you’ll automate everything from network scanning and threat intelligence gathering to system patching and alert management. Plus, this book focuses heavily on practical tips for error handling, scaling automation workflows, and integrating Python scripts into larger security infrastructures.By the end of this book, you'll have developed a set of highly valuable skills, from creating custom automation scripts to deploying them in production environments, and completed projects that can be immediately put to use in your organization.

Security CCNA 210-260. Zostań administratorem sieci komputerowych Cisco

Adam Józefiok

Nie pozwól, by sieć wymknęła Ci się z rąk! Uwierzytelnianie i hasła, czyli jak wstępnie zabezpieczyć sieć i urządzenia Systemy IPS i szyfrowanie danych, czyli jak wytoczyć cięższe działa Zapory ogniowe i listy ACL, czyli jak bezwzględnie walczyć z intruzami Bezpieczeństwo sieci komputerowych to temat, którego nie da się zgłębić do końca. Systemy informatyczne bezustannie ewoluują, a utalentowany haker złamie najbardziej wyrafinowane zabezpieczenia. Jednak nie ma co załamywać rąk. Ta książka powstała po to, by pomóc Ci zabezpieczyć Twoją sieć tak dokładnie, jak to możliwe. Na tym etapie powinieneś wiedzieć, jak działają podstawowe technologie wykorzystywane w sieciach. Jeśli jeszcze tego nie wiesz, warto zapoznać się najpierw z pozycją CCNA 200-120. Zostań administratorem sieci komputerowych Cisco. W opisanej tu historii odegrasz kolejno rolę obserwatora, włamywacza i administratora bezpieczeństwa. Poznasz teorię, potem zastosujesz ją, by włamać się do sieci, a na końcu zabezpieczysz tę sieć. Dowiesz się stąd, jak ochronić całą sieć wraz z urządzeniami peryferyjnymi. Zobaczysz, jak wykorzystać różne protokoły uwierzytelniania, listy kontroli dostępu, firewalle systemowe i zewnętrzne oraz systemy IPS. Odkryjesz, na czym polega dobre szyfrowanie i jak zabezpieczyć komunikację przez skonfigurowanie sieci VPN. Zapoznasz się także bliżej z kwestią rejestrowania i raportowania niepożądanych zdarzeń. Wiedza zawarta w tej książce pozwoli Ci zdać egzamin na certyfikat Cisco CCNA Security, ale przede wszystkim zabezpieczyć Twoją sieć na mistrzowskim poziomie! Podstawy bezpieczeństwa sieci Lokalne zabezpieczanie urządzeń Działanie i wykorzystanie RADIUS i TACACS+ Sposoby zabezpieczania warstwy 2 modelu ISO OSI Listy ACL IPv4 ACL w sieci IPv6 Zapora i jej zastosowanie w oparciu o IOS Zapora ogniowa oparta na urządzeniu Cisco ASA Systemy IPS (Intrusion Prevention System) Konfiguracja szyfrowania i sieci VPN Logowanie zdarzeń, raportowanie i zarządzanie bezpieczeństwem sieci za pomocą 802.1x Administrowanie przez zabezpieczanie!    

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.

Security Orchestration, Automation, and Response for Security Analysts. Learn the secrets of SOAR to improve MTTA and MTTR and strengthen your organization's security posture

Benjamin Kovacevic, Nicholas Dicola

What your journey will look likeWith the help of this expert-led book, you’ll become well versed with SOAR, acquire new skills, and make your organization's security posture more robust.You’ll start with a refresher on the importance of understanding cyber security, diving into why traditional tools are no longer helpful and how SOAR can help.Next, you’ll learn how SOAR works and what its benefits are, including optimized threat intelligence, incident response, and utilizing threat hunting in investigations.You’ll also get to grips with advanced automated scenarios and explore useful tools such as Microsoft Sentinel, Splunk SOAR, and Google Chronicle SOAR.The final portion of this book will guide you through best practices and case studies that you can implement in real-world scenarios.By the end of this book, you will be able to successfully automate security tasks, overcome challenges, and stay ahead of threats.

Security Tokens and Stablecoins Quick Start Guide. Learn how to build STO and stablecoin decentralized applications

Weimin Sun, Xun (Brian) Wu, Angela Kwok

The failure of initial coin offerings (ICOs) is no accident, as most ICOs do not link to a real asset and are not regulated. Realizing the shortcomings of ICOs, the blockchain community and potential investors embraced security token offerings (STOs) and stablecoins enthusiastically.In this book, we start with an overview of the blockchain technology along with its basic concepts. We introduce the concept behind STO, and cover the basic requirements for launching a STO and the relevant regulations governing its issuance. We discuss U.S. securities laws development in launching security digital tokens using blockchain technology and show some real use cases. We also explore the process of STO launches and legal considerations. We introduce popular security tokens in the current blockchain space and talk about how to develop a security token DApp, including smart contract development for ERC1404 tokens. Later, you'll learn to build frontend side functionalities to interact with smart contracts. Finally, we discuss stablecoin technical design functionalities for issuing and operating STO tokens by interacting with Ethereum smart contracts.By the end of this book, you will have learned more about STOs and gained a detailed knowledge of building relevant applications—all with the help of practical examples.

Security with Go. Explore the power of Golang to secure host, web, and cloud services

John Daniel Leon

Go is becoming more and more popular as a language for security experts. Its wide use in server and cloud environments, its speed and ease of use, and its evident capabilities for data analysis, have made it a prime choice for developers who need to think about security.Security with Go is the first Golang security book, and it is useful for both blue team and red team applications. With this book, you will learn how to write secure software, monitor your systems, secure your data, attack systems, and extract information.Defensive topics include cryptography, forensics, packet capturing, and building secure web applications.Offensive topics include brute force, port scanning, packet injection, web scraping, social engineering, and post exploitation techniques.

Security-Driven Software Development. Learn to analyze and mitigate risks in your software projects

Aspen Olmsted

Extend your software development skills to integrate security into every aspect of your projects. Perfect for any programmer or developer working on mission-critical applications, this hands-on guide helps you adopt secure software development practices. Explore core concepts like security specifi cation, modeling, and threat mitigation with the iterative approach of this book that allows you to trace security requirements through each phase of software development. You won’t stop at the basics; you’ll delve into multiple-layer att acks and develop the mindset to prevent them. Through an example application project involving an entertainment ticketing software system, you’ll look at high-profi le security incidents that have aff ected popular music stars and performers. Drawing from the author’s decades of experience building secure applications in this domain, this book off ers comprehensive techniques where problem-solving meets practicality for secure development.By the end of this book, you’ll have gained the expertise to systematically secure software projects, from crafting robust security specifi cations to adeptly mitigating multifaceted threats, ensuring your applications stand resilient in the face of evolving cybersecurity challenges.