--- title: "shadow Sensei (@shadowsensei) | Hashnode" description: "Practical Offensive Security & Active Directory Lab Write-Ups. Read the latest articles by shadow Sensei on Hashnode." url: "https://hashnode.com/@shadowsensei" --- @shadowsensei # shadow Sensei @shadowsensei · Hyderabad, India · Joined August 2026 Practical Offensive Security & Active Directory Lab Write-Ups. [Website](https://shadowsensei.gitbook.io/offsec) ### [VesperAegis: My Journey of Building a Linux-Based Firewall](https://shadowsensei-sec.hashnode.dev/vesperaegis?utm_source=hashnode&utm_medium=feed) A hands-on engineering journey building VesperAegis Firewall with Linux nftables, FastAPI, Python, SQLite, REST APIs, isolated network testing etc.. 10 min read · [shadowsensei-sec.hashnode.dev](https://shadowsensei-sec.hashnode.dev/vesperaegis?utm_source=hashnode&utm_medium=feed) [Sep 7](https://hashnode.com/posts/vesperaegis/6a9f05bf452d9d2893c5901e) ### [PJPT Certified My Journey](https://shadowsensei-sec.hashnode.dev/pjpt-exam-review-tcm-security?utm_source=hashnode&utm_medium=feed) A complete review of the TCM Security Practical Junior Penetration Tester (PJPT) exam. 8 min read · [shadowsensei-sec.hashnode.dev](https://shadowsensei-sec.hashnode.dev/pjpt-exam-review-tcm-security?utm_source=hashnode&utm_medium=feed) [Sep 1](https://hashnode.com/posts/pjpt-exam-review-tcm-security/6a970026278027e72e70f3b0) ### [JUMP — TryHackMe External Penetration Testing Assessment](https://shadowsensei-sec.hashnode.dev/jump-pentest-report?utm_source=hashnode&utm_medium=feed) TryHackMe JUMP penetration test covering external reconnaissance, Linux privilege escalation, vulnerability analysis, and complete system compromise. 8 min read · [shadowsensei-sec.hashnode.dev](https://shadowsensei-sec.hashnode.dev/jump-pentest-report?utm_source=hashnode&utm_medium=feed) [Aug 30](https://hashnode.com/posts/jump-pentest-report/6a9464b955165b1e1adff187) ### [Recruit -THM CTF Challenge Walkthrough](https://shadowsensei-sec.hashnode.dev/tryhackme-recruit-walkthrough?utm_source=hashnode&utm_medium=feed) TryHackMe Recruit lab walkthrough featuring web app vulnerability analysis, SQL injection exploitation. 7 min read · [shadowsensei-sec.hashnode.dev](https://shadowsensei-sec.hashnode.dev/tryhackme-recruit-walkthrough?utm_source=hashnode&utm_medium=feed) [Aug 30](https://hashnode.com/posts/tryhackme-recruit-walkthrough/6a943d9cb8f8f4d5fbf98874)