404Gh0st Blog

About my work

I learn security through CTFs, Hack The Box machines, labs, and penetration testing. This site records the useful parts: paths, mistakes, tools, and fixes.

Skills

  • CTF
  • Penetration Testing
  • Active Directory
  • Binary Exploit
  • Vuln Assessment
  • Network Security
  • Linux
  • Python
  • Bash
  • Web Security

Experience

Junior Penetration Tester

2025 - 2026

Kavida by Intelix

Conducted vulnerability assessments and penetration tests on web applications, diagnosing security gaps and outlining mitigation steps.

Freelance Penetration Tester

2026 - Present

Confidential

Conduct vulnerability assessments and penetration tests, document findings, and provide remediation guidance.

CTF Player

2023 - Present

Solving CTF challenges to sharpen exploitation, reversing, web, and infrastructure skills.

Cyberwarriors Bootcamp

Jan 2023 - May 2023

Infradigital Foundation

Completed CySA+ and PenTest+ training with hands-on work in testing, red teaming, and remediation.

Achievements

2nd PlaceOLIVIA XI 2026
3rd PlaceZero Day CTF Open Arena
6th PlaceC2C CTF 2026
2nd PlaceKMIPN 2025
3rd PlaceNetcomp 3.0, Gadjah Mada University
2nd PlaceSelekda Cyber Security 2024
2nd Place0Byte CTF2023, ZeroByte.ID
2nd PlaceLKS Jatim 2023

Education

State Polytechnic of MalangInformatics Engineering
Vocational High School of Gedangan 1Information Systems, Networking, and Applications

Certificates

Hack The Box lab completions.

15 records
  1. 01HTB Certified Penetration Testing Specialist24 Jul 2026HTBCERT-15E756615C
  2. 02Klendathu22 Aug 2026HTBCERT-F7A000E3B1
  3. 03Heron21 Aug 2026HTBCERT-C600E892A5
  4. 04Tengu21 Aug 2026HTBCERT-C4B096168E
  5. 05Reflection21 Aug 2026HTBCERT-3C7375AC45
  6. 06Trusted20 Aug 2026HTBCERT-B3228F5FD8
  7. 07Control20 Aug 2026HTBCERT-6F1944C83E
  8. 08Push19 Aug 2026HTBCERT-E14E093BC5
  9. 09Sidecar08 Aug 2026HTBCERT-6B8C28F670
  10. 10Puppet08 Mar 2026HTBCERT-9D394A70B9
  11. 11Mythical08 Mar 2026HTBCERT-C50CC84F42
  12. 12Offshore01 May 2025HTBCERT-F2F2E25E76
  13. 13Zephyr05 Apr 2025HTBCERT-E688A78E03
  14. 14Dante02 Apr 2025HTBCERT-2B991EC342
  15. 15P.O.O.06 Nov 2024HTBCERT-470FF41434

GitHub activity

Activity

GitHub contributions

Last 20 weeks