denizhalil

Network Security

SSH Tunneling and Port Forwarding Techniques: A Comprehensive Guide

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SSH Tunneling and Port Forwarding Techniques

Introduction SSH (Secure Shell) tunneling and port forwarding have become indispensable tools for system administrators, cybersecurity professionals, and developers worldwide. In an era where network security threats continuously evolve and data breaches occur with alarming frequency, the ability to create secure encrypted channels for data transmission has never been more critical. SSH tunneling transforms the ubiquitous SSH protocol from a simple remote

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web security

What is Web Cache Poisoning Attack and Defense: A Comprehensive Guide

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What is Web Cache Poisoning Attack and Defense

Introduction Web cache poisoning has emerged as one of the most sophisticated and dangerous attack vectors in modern cybersecurity landscapes. Unlike traditional attacks that target individual users or specific sessions, cache poisoning exploits fundamental vulnerabilities in shared caching systems to distribute malicious content at scale. This attack technique leverages the tension between performance optimization through caching and security

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Network Security

What is SNMP Security and Exploitation: A Comprehensive Guide

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What is SNMP Security and Exploitation

Introduction Simple Network Management Protocol (SNMP) has stood as the cornerstone of network device management since its introduction in the late 1980s, empowering administrators to monitor and control devices ranging from switches and routers to firewalls, servers, and the expanding realm of IoT infrastructure. SNMP’s efficiency, universal support, and lightweight design helped it become a global standard—enabling centralized visibility into network health and

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Network Security

What is NetBIOS and SMB Exploitation Techniques: A Practical Guide

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What is NetBIOS and SMB Exploitation Techniques

Introduction NetBIOS (Network Basic Input/Output System) and SMB (Server Message Block) are fundamental protocols that form the backbone of modern Windows networking environments. These protocols enable critical network functions including file sharing, printer access, and inter-process communication across enterprise systems. However, their widespread deployment and legacy compatibility features have made them frequent targets for attackers seeking unauthorized network access. Understanding how these protocols work, their inherent

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active directory security / Network Security

What are Pass-the-Hash and Pass-the-Ticket Attacks: A Comprehensive Guide

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What are Pass-the-Hash and Pass-the-Ticket Attacks A Comprehensive Guide

Introduction In contemporary cybersecurity, attackers continuously evolve their methods, moving beyond conventional password cracking and brute-force attacks to exploit the deeper weaknesses in authentication systems. Among the most serious threats to enterprise networks are Pass-the-Hash (PtH) and Pass-the-Ticket (PtT) attacks, which allow attackers to leverage stolen authentication material directly—whether in the form of hashed passwords or Kerberos tickets—without ever needing to obtain plaintext

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Cyber Security

Mastering Linux Firewalls: A Deep Dive into Netfilter and iptables

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Mastering Linux Firewalls A Deep Dive into Netfilter and iptables

Introduction Linux firewalls form the critical security perimeter of modern infrastructure, protecting servers, networks, and cloud environments from unauthorized access and malicious traffic. At the heart of this protection lies the Netfilter framework, a sophisticated kernel-level infrastructure that intercepts and processes network packets at strategic points in the networking stack. iptables, the user-space command-line utility, provides administrators with granular control over firewall policies, enabling the

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web security

NoSQL Injection Attacks: MongoDB, CouchDB, and More – NoSQL injection

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NoSQL Injection Attacks MongoDB, CouchDB, and More - NoSQL injection

Introduction NoSQL databases have transformed how modern applications store and manage data, offering unparalleled scalability, flexibility, and performance compared to traditional relational databases. MongoDB, CouchDB, Redis, Elasticsearch, and Cassandra have become foundational technologies in cloud-native and microservices architectures. However, this architectural flexibility introduces unique security challenges that many developers overlook. NoSQL injection has emerged as one of the most dangerous and frequently exploited vulnerabilities in contemporary

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Red Team

Python C2 Server for Red Teaming: A Comprehensive Hands-On Guide

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Python C2 Server for Red Teamingjpg

Introduction In the evolving landscape of cybersecurity, Red Team operations have become essential for organizations seeking to assess their defensive capabilities against sophisticated threats. At the heart of these operations lies the Command & Control (C2) infrastructure, a critical component that enables security professionals to simulate adversarial tactics, techniques, and procedures in controlled environments. The Python-C2-Server-for-Red-Teaming project represents an accessible, open-source solution designed specifically for authorized

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Cyber Security

Cybersecurity Interview Questions and Answer Tips

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CybersecurIty IntervIew QuestIons and Answer TIps

Introduction Cybersecurity stands out as one of the world’s fastest-growing and most crucial career fields in today’s technology-driven environment. With the rapid integration of digital systems across every industry, the need for skilled security professionals has grown beyond specialist IT departments to become a foundational element in business strategies and national infrastructures. According to the World Economic Forum’s

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machine learning & AI

AI Powered Automated Security Testing: From Unit Test Annoyances to Modern

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Introduction Automated testing has dramatically changed the landscape of software development, especially with the rise of AI-powered tools that offer speed, scalability, and far greater accuracy than traditional manual testing practices. In the past, quality assurance teams spent countless hours designing and running manual tests, often missing subtle bugs or edge cases due to human limitations and time constraints. Now, AI-driven systems can

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