Kali Linux Tutorials | Hacking Tools, Cybersecurity News & Writeups

OSINT

Email to Profile: Social Media Search and Free Lookup Tools

Introduction Connecting an email address to a real person can reveal valuable insights. With email-to-profile...

OSINT

Advanced Free Email Lookup and Reverse Search Techniques

Introduction Email addresses are often the keys to digital identities. With the right tools, you...

How to Use Pentest Copilot in Kali Linux

Introduction Artificial Intelligence is changing how cybersecurity professionals work, especially in penetration testing. Tools that...

Install PostgreSQL on Ubuntu: Database Setup and Admin Guide

By Cyber Defence on June 29, 2026

PostgreSQL (often called Postgres) is an open-source relational database system. It supports advanced features like JSON storage, full-text search, and complex queries. This makes it a popular choice for everything from small personal projects to large production applications. This guide shows...

Install Xrdp Remote Desktop on Ubuntu: Setup and Connect

By Cyber Defence on June 29, 2026

Xrdp is an open-source server that lets you connect to your Ubuntu machine from another computer using the Remote Desktop Protocol (RDP). You get a full graphical desktop session over the network, just like sitting in front of the machine itself....

Tomcat 9 on Ubuntu 20.04: Install, Configure, and Start

By Cyber Defence on June 29, 2026

Apache Tomcat is an open-source web server and Java servlet container. It is one of the most widely used tools for hosting Java web applications, trusted by developers and teams for its reliability and straightforward setup. This guide shows you how...

Automatic Updates on Ubuntu: Set Up unattended-upgrades

By Cyber Defence on June 29, 2026

Keeping your Ubuntu system updated is one of the best ways to protect it. Security vulnerabilities are found all the time, and patches are released to fix them. If those patches do not get installed, your system stays at risk....

Email to Profile: Social Media Search and Free Lookup Tools

By 0xSnow on November 3, 2025

Introduction Connecting an email address to a real person can reveal valuable insights. With email-to-profile searches, social media lookups, and reverse search tools, you can uncover linked accounts, public posts, and verified identities. This process is common in cybersecurity, recruiting,...

Advanced Free Email Lookup and Reverse Search Techniques

By 0xSnow on November 3, 2025

Introduction Email addresses are often the keys to digital identities. With the right tools, you can uncover social media profiles, online activity, and even business records associated with an email. This process, known as email lookup or reverse email search,...

How to Use Pentest Copilot in Kali Linux

By 0xSnow on November 1, 2025

Introduction Artificial Intelligence is changing how cybersecurity professionals work, especially in penetration testing. Tools that once required manual effort are now becoming smarter and more efficient. One of the most interesting AI-assisted tools available today is Pentest Copilot, developed by...

How to Use the Windows Registry to optimize and control your PC.

By Tamilselvan S on October 30, 2025

The Windows Registry Editor lets you easily view and control critical Windows system and application settings. It acts as a central hub, storing configuration information for your hardware, software, and personal preferences. Type regedit in the Start menu or the...

MQTT Security: Securing IoT Communications

By 0xSnow on October 30, 2025

In the rapidly expanding Internet of Things (IoT) ecosystem, billions of devices are constantly exchanging data from smart home appliances and industrial sensors to connected vehicles and healthcare monitors. Behind this seamless communication lies a lightweight protocol that powers most...