From the Field
Tradecraft, career advice and research notes written by the same red team that teaches our courses. No fluff, no recycled news.
Linux Essentials
Linux Commands Every Cybersecurity Beginner Should Know
The core Linux commands every security beginner needs, grouped by what they do: navigation, files, search, permissions, processes, and networking, with safe examples.
Linux Essentials
Linux File Permissions Explained for Security Professionals
How Linux file permissions really work: the rwx bits, octal notation like 755 and 644, user/group/other, and the setuid, setgid, and sticky special bits that matter for security.
Linux Essentials
Linux Networking Fundamentals for Ethical Hackers
The Linux networking fundamentals ethical hackers need: the TCP/IP model, how packets move, and the modern command-line tools (ip, ss, tcpdump, dig) that replaced the legacy ones.
Linux Essentials
Linux vs Windows for Cybersecurity Careers
Linux vs Windows for a cybersecurity career: why security pros learn both, where each dominates, and what the server, supercomputer, and mobile numbers mean for your skills.
Mobile App Pentesting
Android and iOS Pentesting Career Roadmap
A practical career roadmap for mobile pentesting — covering the skills, certifications, salary ranges, and experience milestones needed to move from beginner to professional Android and iOS security tester.
Mobile App Pentesting
Android Application Penetration Testing Methodology
A step-by-step Android penetration testing methodology covering reconnaissance, static analysis, dynamic analysis, traffic interception, and reporting — aligned with OWASP MASVS.
Mobile App Pentesting
Mobile App Security Testing Tools: MobSF and Apktool
A practical guide to MobSF and Apktool — the two most essential mobile app security testing tools — covering installation, core workflows, output interpretation, and how to combine them in an Android assessment.
Mobile App Pentesting
How to Start Mobile Application Penetration Testing
A beginner-to-intermediate guide on how to start mobile application penetration testing — covering prerequisites, lab setup, core skills, and the learning path from first APK to your first engagement.
Mobile App Pentesting
Static vs Dynamic Analysis in Mobile App Security
A clear comparison of static and dynamic analysis in mobile app security testing — what each method finds, when to use each, and how they work together in a complete MASVS-aligned assessment.