Przetwarzanie danych w dużej skali. Niezawodność, skalowalność i łatwość konserwacji systemów

Martin Kleppmann

Przetwarzanie i bezpieczne przechowywanie danych absorbuje uwagę inżynierów oprogramowania w coraz większym stopniu. W ostatnich latach pojawiło się wiele bardzo różnych rozwiązań w dziedzinie baz danych, systemów rozproszonych i metodyce budowania aplikacji. Sprzyjają temu zarówno rozwój technologii, rosnące potrzeby dotyczące dostępu do danych, jak i malejąca tolerancja na przestoje spowodowane awarią czy konserwacją systemu. To wszystko sprawia, że zespoły projektujące aplikacje muszą cały czas aktualizować swoją wiedzę i znakomicie orientować się w zakresie słabych i silnych stron poszczególnych rozwiązań oraz możliwości ich stosowania. I właśnie ta książka Ci to ułatwi. Dzięki niej zaczniesz orientować się w świecie szybko zmieniających się technologii przetwarzania i przechowywania danych. Znajdziesz tu przykłady skutecznych systemów spełniających wymogi skalowalności, wydajności i niezawodności. Zapoznasz się z wewnętrznymi mechanizmami tych systemów, analizami najważniejszych algorytmów, omówieniem zasad działania i koniecznymi kompromisami. Przy okazji przyswoisz sobie przydatne sposoby myślenia o systemach danych. W ten sposób rozwiniesz dobre intuicyjne zrozumienie tego, jak i dlaczego działają systemy, co pozwoli Ci analizować ich pracę, podejmować trafne decyzje projektowe i wyszukiwać źródła pojawiających się problemów. W tej książce między innymi: co to właściwie znaczy: niezawodność, skalowalność i łatwość konserwacji różne modele danych i obsługa zapytań replikacja, dzielenie danych, transakcje dane pochodne i ich przetwarzanie przetwarzanie strumieniowe Poznaj systemy, w których liczą się dane!

Purple Team Strategies. Enhancing global security posture through uniting red and blue teams with adversary emulation

David Routin, Simon Thoores, Samuel Rossier

With small to large companies focusing on hardening their security systems, the term purple team has gained a lot of traction over the last couple of years. Purple teams represent a group of individuals responsible for securing an organization’s environment using both red team and blue team testing and integration – if you’re ready to join or advance their ranks, then this book is for you. Purple Team Strategies will get you up and running with the exact strategies and techniques used by purple teamers to implement and then maintain a robust environment. You’ll start with planning and prioritizing adversary emulation, and explore concepts around building a purple team infrastructure as well as simulating and defending against the most trendy ATT&CK tactics. You’ll also dive into performing assessments and continuous testing with breach and attack simulations. Once you’ve covered the fundamentals, you'll also learn tips and tricks to improve the overall maturity of your purple teaming capabilities along with measuring success with KPIs and reporting.With the help of real-world use cases and examples, by the end of this book, you'll be able to integrate the best of both sides: red team tactics and blue team security measures.

Python Digital Forensics Cookbook. Effective Python recipes for digital investigations

Chapin Bryce, Preston Miller

Technology plays an increasingly large role in our daily lives and shows no sign of stopping. Now, more than ever, it is paramount that an investigator develops programming expertise to deal with increasingly large datasets. By leveraging the Python recipes explored throughout this book, we make the complex simple, quickly extracting relevant information from large datasets. You will explore, develop, and deploy Python code and libraries to provide meaningful results that can be immediately applied to your investigations. Throughout the Python Digital Forensics Cookbook, recipes include topics such as working with forensic evidence containers, parsing mobile and desktop operating system artifacts, extracting embedded metadatafrom documents and executables, and identifying indicators of compromise. Youwill also learn to integrate scripts with Application Program Interfaces (APIs) suchas VirusTotal and PassiveTotal, and tools such as Axiom, Cellebrite, and EnCase. By the end of the book, you will have a sound understanding of Python and how you can use it to process artifacts in your investigations.

Python For Offensive PenTest. A practical guide to ethical hacking and penetration testing using Python

Hussam Khrais

Python is an easy-to-learn and cross-platform programming language that has unlimited third-party libraries. Plenty of open source hacking tools are written in Python, which can be easily integrated within your script.This book is packed with step-by-step instructions and working examples to make you a skilled penetration tester. It is divided into clear bite-sized chunks, so you can learn at your own pace and focus on the areas of most interest to you. This book will teach you how to code a reverse shell and build an anonymous shell. You will also learn how to hack passwords and perform a privilege escalation on Windows with practical examples. You will set up your own virtual hacking environment in VirtualBox, which will help you run multiple operating systems for your testing environment.By the end of this book, you will have learned how to code your own scripts and mastered ethical hacking from scratch.

Python Penetration Testing Cookbook. Practical recipes on implementing information gathering, network security, intrusion detection, and post-exploitation

Rejah Rehim

Penetration testing is the use of tools and code to attack a system in order to assess its vulnerabilities to external threats. Python allows pen testers to create their own tools. Since Python is a highly valued pen-testing language, there are many native libraries and Python bindings available specifically for pen-testing tasks.Python Penetration Testing Cookbook begins by teaching you how to extract information from web pages. You will learn how to build an intrusion detection system using network sniffing techniques. Next, you will find out how to scan your networks to ensure performance and quality, and how to carry out wireless pen testing on your network to avoid cyber attacks. After that, we’ll discuss the different kinds of network attack. Next, you’ll get to grips with designing your own torrent detection program. We’ll take you through common vulnerability scenarios and then cover buffer overflow exploitation so you can detect insecure coding. Finally, you’ll master PE code injection methods to safeguard your network.

Python Programming Blueprints. Build nine projects by leveraging powerful frameworks such as Flask, Nameko, and Django

Daniel Furtado, Marcus Pennington

Python is a very powerful, high-level, object-oriented programming language. It's known for its simplicity and huge community support. Python Programming Blueprints will help you build useful, real-world applications using Python.In this book, we will cover some of the most common tasks that Python developers face on a daily basis, including performance optimization and making web applications more secure. We will familiarize ourselves with the associated software stack and master asynchronous features in Python. We will build a weather application using command-line parsing. We will then move on to create a Spotify remote control where we'll use OAuth and the Spotify Web API. The next project will cover reactive extensions by teaching you how to cast votes on Twitter the Python way. We will also focus on web development by using the famous Django framework to create an online game store. We will then create a web-based messenger using the new Nameko microservice framework. We will cover topics like authenticating users and, storing messages in Redis.By the end of the book, you will have gained hands-on experience in coding with Python.

QGIS Python Programming Cookbook. Automating geospatial development - Second Edition

Joel Lawhead

QGIS is a desktop geographic information system that facilitates data viewing, editing, and analysis. Paired with the most efficient scripting language—Python, we can write effective scripts that extend the core functionality of QGIS. Based on version QGIS 2.18, this book will teach you how to write Python code that works with spatial data to automate geoprocessing tasks in QGIS. It will cover topics such as querying and editing vector data and using raster data. You will also learn to create, edit, and optimize a vector layer for faster queries, reproject a vector layer, reduce the number of vertices in a vector layer without losing critical data, and convert a raster to a vector. Following this, you will work through recipes that will help you compose static maps, create heavily customized maps, and add specialized labels and annotations. As well as this, we’ll also share a few tips and tricks based on different aspects of QGIS.

Resilient Cybersecurity. Reconstruct your defense strategy in an evolving cyber world

Mark Dunkerley

Building a Comprehensive Cybersecurity Program addresses the current challenges and knowledge gaps in cybersecurity, empowering individuals and organizations to navigate the digital landscape securely and effectively. Readers will gain insights into the current state of the cybersecurity landscape, understanding the evolving threats and the challenges posed by skill shortages in the field.This book emphasizes the importance of prioritizing well-being within the cybersecurity profession, addressing a concern often overlooked in the industry. You will construct a cybersecurity program that encompasses architecture, identity and access management, security operations, vulnerability management, vendor risk management, and cybersecurity awareness. It dives deep into managing Operational Technology (OT) and the Internet of Things (IoT), equipping readers with the knowledge and strategies to secure these critical areas.You will also explore the critical components of governance, risk, and compliance (GRC) within cybersecurity programs, focusing on the oversight and management of these functions. This book provides practical insights, strategies, and knowledge to help organizations build and enhance their cybersecurity programs, ultimately safeguarding against evolving threats in today's digital landscape.

Ryzyko w cyberbezpieczeństwie. Metody modelowania, pomiaru i szacowania ryzyka. Wydanie II

Douglas W. Hubbard, Richard Seiersen

Lord Kelvin powtarzał, że jeśli nie potrafisz czegoś zmierzyć, to nie znasz tego wystarczająco dobrze. Ta zasada w pełni odnosi się do analizy ryzyka w cyberbezpieczeństwie, a słabość pomiarów prowadzi do podejmowania błędnych decyzji. Ta książka nauczy Cię nowych sposobów myślenia o problemie. Uważam, że jest lekturą obowiązkową dla naszej dziedziny! John "Four" Flynn, CISO Amazon Stores Oto drugie wydanie książki, którą specjaliści CISO uznali za przełomową. Dowiesz się z niej, jak kwantyfikować niepewność i jak za pomocą prostych metod i narzędzi poprawić ocenę ryzyka w nowoczesnych organizacjach. Znalazły się tu nowe techniki modelowania, pomiaru i szacowania, a także mnóstwo praktycznych wskazówek dotyczących wdrażania tych rozwiązań w formie spójnego programu. Nauczysz się też oceniać ryzyko, gdy masz dostęp do niewielu danych. Przekonasz się, że zamiast metod jakościowych dużo lepsze efekty w zarządzaniu ryzykiem cyberbezpieczeństwa osiąga się dzięki kwantyfikacji i zaplanowanym pomiarom. Ta książka umożliwia pewne poruszanie się w złożonym krajobrazie cyberbezpieczeństwa. Jason Chan, były wiceprezes do spraw bezpieczeństwa informacji, Netflix Opisane przez Hubbarda i Seiersena metody są praktyczne. Każdy, kto zajmuje się cyberbezpieczeństwem, powinien je stosować. Nick Shevelyov, były CISO banku Silicon Valley

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 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

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 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.