CyberSecurity Summary

A comprehensive guide to system administration, focusing on Virtual Private Servers (VPS). It meticulously covers topics from understanding what a VPS is and selecting a provider to basic Linux administration via both command line and graphical interfaces like Webmin. The text also explores crucial aspects of server security, including file permissions and firewalls, and explains backup strategies and disaster recovery. Furthermore, it provides detailed instructions for installing and managing server software like MySQL and WordPress, while also introducing a range of other open-source applications for diverse uses, such as Moodle, osTicket, OpenVPN, and MediaWiki, helping users extend their VPS...

A comprehensive, multi-volume exploration of the Android operating system from the perspective of a power user or administrator. It meticulously details Android's design, filesystem structure, boot sequence, and native services, emphasizing its Linux foundations without requiring code knowledge. The book covers partition management, the /init process for system startup, and the role of various daemons and services. Furthermore, it tracks the evolution of Android versions, discusses its architecture and security features, including SELinux and permission models, and examines memory management, inter-process communication via Binder, and debugging techniques through the /proc filesystem.You can listen and...

A comprehensive examination of 5G mobile core networks. The text covers architectural design principles, detailing core network functions (NFs) and their interactions, alongside deployment strategies for both Non-Standalone (NSA) and Standalone (SA) 5G networks. It also addresses crucial aspects of automation within the 5G packet core, outlining various approaches for testing strategies, including functional, non-functional, and security testing. Furthermore, the book explores Multi-Access Edge Computing (MEC) integration and the essential considerations for interworking with 4G networks and implementing network slicing to support diverse services.You can listen and download our episodes for free on more...

Focuses on the technical specifications and applications of Narrowband Internet of Things (NB-IoT) within 5G LTE cellular networks. The text explains the underlying protocol stack and architecture of NB-IoT, detailing layers such as the Radio Resource Control (RRC) sublayer, Packet Data Convergence Protocol (PDCP) sublayer, Radio Link Control (RLC) sublayer, Medium Access Control (MAC) sublayer, and Physical (PHY) sublayer. It explores key operational aspects including RRC modes (IDLE and CONNECTED), data transfer mechanisms, power saving modes (PSM), and quality of service (QoS) for NB-IoT devices. Furthermore, the source outlines various applications and use cases for NB-IoT, such as smart...

Focusing on optimizing command-line usage. It covers configuring and customizing Windows Terminal, including its UI, settings, and key bindings. The book also explains how to integrate and enhance various shells like PowerShell, Ubuntu (via WSL2), and Git Bash, offering tips for expert use and appearance modifications. Furthermore, it details advanced workflows for development, DevOps, and cloud management, showcasing how to build web applications, connect to remote systems (SSH, WinRM), and utilize cloud services such as Azure, Google Cloud, and AWS directly within Windows Terminal.You can listen and download our episodes for free on more...

Functions as an in-depth resource for network and security professionals on using the powerful Nmap security tool. The text covers various Nmap scanning techniques, including stealth, version detection, and OS fingerprinting, explaining their operational mechanics and practical applications. It also details advanced features such as firewall evasion, output formats, timing options, and running Nmap in different operating systems like Windows and Linux. Throughout the book, fundamental networking protocols like TCP, UDP, and ICMP are explained to provide context for Nmap's functions, emphasizing the tool's utility for vulnerability assessment, asset management, and perpetual network auditing while advocating for responsible and...

Focuses on effectively integrating Ember Data with various API structures. The text covers Ember Data's core architecture, including the store, adapters, and serializers, and explains their roles in data access, caching, and formatting. Readers will learn about different built-in adapters and serializers like RESTAdapter, JSONAPIAdapter, JSONSerializer, and RESTSerializer, understanding their expected API payload formats. A significant portion of the material is dedicated to customizing adapters and serializers to accommodate non-standard API conventions, handling nested data, and managing error responses. The book also details testing strategies for adapters and serializers and explores advanced topics such as consuming external APIs like...

A comprehensive guide to web scraping techniques for data scientists. It covers foundational concepts like HTTP, HTML, and CSS, detailing how web browsers interact with servers and display content. The text explores practical applications using Python libraries such as requests, BeautifulSoup, and Selenium, demonstrating how to extract data from various websites, handle JavaScript, and implement web crawling strategies. Furthermore, the source addresses crucial managerial and legal considerations associated with web scraping, including ethical best practices, potential legal risks like copyright infringement and the Computer Fraud and Abuse Act, and how scraping fits into the broader data science workflow. The...

A comprehensive guide for forensically investigating and analyzing mobile devices, primarily focusing on iOS, Android, and Windows Phone operating systems. It covers fundamental concepts of mobile forensics, including evidence acquisition, preservation, and documentation, while acknowledging the inherent challenges presented by mobile platform security features like encryption and sandboxing. The book details various data extraction techniques, ranging from logical and physical acquisitions to specialized methods like JTAG and chip-off, and introduces commercial and open-source forensic tools for analysis. Additionally, it explores mobile device architecture, file systems, key artifacts such as call logs and messages, third-party application analysis, and malware identification...

An extensive technical guide for managing various network services within a Linux environment, with a strong emphasis on directory services and interoperability with Windows systems. It thoroughly explains the installation, configuration, and troubleshooting of OpenLDAP, detailing aspects like securing connections with TLS, access control, and integration with PAM and NSS for user authentication. A significant portion covers Samba, outlining its use for file and print sharing, acting as a Primary Domain Controller (PDC) and Active Directory compatible domain controller, and its integration with DNS and WINS. Finally, the text introduces FreeIPA as a comprehensive identity management solution, covering its...

A comprehensive guide to securing network environments within Microsoft Azure. It details the capabilities of key Azure network security components like Azure Firewall, Web Application Firewall (WAF), and DDoS Protection Standard, while also providing recommendations for their effective integration. The book explores various network architectures such as hub-and-spoke and Virtual WAN, emphasizes best practices for secure design and implementation, and addresses current cybersecurity threats and challenges. Additionally, it covers essential aspects of security monitoring, including log collection with Azure Monitor and analysis using Azure Sentinel, to help organizations establish a holistic security strategy. The content is designed for technical...

A comprehensive guide to securing Linux systems. The author, an experienced Linux professional and trainer, details practical, hands-on techniques for enhancing system security. Topics covered include user account management and privilege control (sudo), configuring firewalls (iptables, nftables, firewalld), and implementing robust encryption methods (GPG, LUKS, SSL/TLS). The book also explores advanced access control mechanisms like SELinux and AppArmor, kernel hardening, and process isolation using tools such as Firejail, Docker, and Snap. Furthermore, it addresses the crucial areas of system auditing, vulnerability scanning with tools like Lynis, Nikto, and OpenVAS, and log management (rsyslog, journald) and security. This extensive...

Offers an in-depth resource for individuals preparing for the LPIC-1 certification exam. The text covers a wide array of Linux system administration topics, including command-line tools, file management, software and process administration, hardware configuration, boot processes, graphical user interfaces (GUIs), user and group management, email and logging, networking, and system security. Each chapter addresses specific exam objectives, detailing commands, utilities, configuration files, and fundamental concepts essential for managing a Linux environment, from basic file operations and package installation to advanced topics like network security, shell scripting, and virtualization. The guide also includes review questions and answer explanations to reinforce...

Provides practice tests and study material for the LPIC-1 Linux Professional Institute Certification, specifically addressing exams 101-500 and 102-500. It covers a wide range of Linux system administration topics, including system architecture, installation and package management, GNU and UNIX commands, filesystems and device management, shell scripting, user interfaces, administrative tasks, essential system services, networking fundamentals, and security. The content is structured with exam objectives, key knowledge areas, and relevant files and utilities for each topic, concluding with practice exams and detailed answer explanations to aid in certification preparation.You can listen and download our episodes...

A comprehensive guide to Linux, focusing on certification and practical administration. It covers fundamental Linux concepts like filesystems, shell commands, and process management, alongside advanced topics such as network configuration, server deployment, and cloud technologies. The text also addresses security, troubleshooting, and performance monitoring within Linux environments, providing hands-on examples and detailed explanations of various utilities and configurations. It serves as a resource for both learning and applying Linux knowledge, including its application to macOS.You can listen and download our episodes for free on more than 10 different platforms:https://linktr.ee...

A detailed guide for aspiring and experienced digital forensic investigators, covering a broad spectrum of topics essential to the field. It begins by introducing various types of computer-based investigations, from criminal to corporate, and then explains the meticulous forensic analysis process, including workstation setup, software, and evidence acquisition. The book further explores the intricacies of computer investigation procedures, such as timeline and media analysis, focusing heavily on Windows artifact analysis and RAM memory forensics. Later sections address email and internet artifacts, detailing browser data, social media, P2P file sharing, and cloud computing forensics, culminating with crucial advice on...

An official textbook for individuals pursuing careers in network administration or seeking to enhance their professional knowledge. The book comprehensively covers fundamental networking concepts, beginning with an overview of network types, topologies, and basic connectivity, and progressing to detailed explanations of protocols and models like TCP/IP and OSI. It further explores physical layer components, including various cabling types and wireless media, before addressing IP addressing schemes (IPv4 and IPv6), subnetting, and routing principles. Throughout its 17 chapters, the guide incorporates practical exercises, command syntax conventions, and essential troubleshooting tools such as ping and traceroute, culminating with insights into application...

A rigorous, introductory treatment of modern cryptography, focusing on definitions, precise assumptions, and proofs of security as distinguishing features from classical cryptography. It explores private-key encryption in depth, covering concepts like chosen-plaintext attacks (CPA-security) and chosen-ciphertext attacks (CCA-security), along with practical modes of operation like CBC and CTR. The text then transitions to message authentication codes (MACs), emphasizing message integrity against active adversaries and constructing secure MACs using pseudorandom functions and hash functions. Finally, the source expands into public-key cryptography, discussing key exchange, digital signatures, and public-key encryption schemes like RSA and El Gamal, all while grounding these concepts...

A hands-on introduction to compiler construction, emphasizing Java technology and software engineering principles. It guides readers through the process of building and extending a real, functional Java compiler for a Java subset called "j--". The material covers fundamental compiler phases, including lexical analysis (scanning), parsing (syntax-directed recursive descent using JavaCC), semantic analysis (type checking and symbol tables), and code generation for both the Java Virtual Machine (JVM) and MIPS architecture (using the SPIM simulator). Furthermore, the text explores optimization techniques for generated code, discusses prominent compilers from Oracle, IBM, and Microsoft, and provides practical exercises and Java code to...

A comprehensive guide to deep learning for web development, specifically with Python. It covers the foundational concepts of machine learning and neural networks, including various types like CNNs and RNNs, and essential terminology such as bias, variance, overfitting, and underfitting. The sources provide practical instruction on building and deploying deep learning web applications using frameworks like Flask and Django, integrating with cloud platforms such as AWS, Google Cloud Platform, and Microsoft Azure, and utilizing services like TensorFlow.js and Dialogflow. Furthermore, the text addresses crucial aspects of security, monitoring, and performance optimization in production environments, explores the evolution and...