Cybersecurity

Learn how to use Wireshark to capture and analyze network traffic. Understand packets, protocols, display filters, TCP conversations, DNS requests, HTTP traffic, and a practical troubleshooting workflow.

Learn how Nmap port scanning works by running practical scans against a local machine and an authorized test target. Understand open, closed, and filtered ports, service detection, useful scan options, and how to turn Nmap output into actionable security information.

Learn Nmap from the ground up with practical examples covering host discovery, port scanning, service detection, OS detection, NSE scripts, scan results, common options, troubleshooting, and safe security-auditing workflows.

A practical REST API security checklist covering authentication, authorization, input validation, rate limiting, secrets, security headers, error handling, logging, and common Node.js API mistakes

Learn how Endpoint Detection and Response (EDR) protects computers by monitoring endpoint activity, detecting suspicious behavior, investigating threats, and supporting security response.

Understand how Zero Trust security works, why organizations are moving beyond traditional perimeter security, and how identity, device verification, least privilege, and continuous monitoring protect modern systems.

Learn what cybersecurity is, how it protects computers, networks, applications, and data, the major cybersecurity domains, common threats, essential tools, and how beginners can start a career in cybersecurity

Malware is one of the most common cybersecurity threats. Learn what malware is, how it works, different types of malware, how malware spreads, common warning signs, prevention techniques, and how SOC analysts detect and investigate malware.

Learn what phishing attacks are, how attackers trick users through emails, messages, websites, and social engineering, and how individuals and organizations can defend against them.