About Me

I'm Łukasz — a cybersecurity enthusiast focused on web application security. I enjoy solving CTFs and machines on platforms like HackTheBox and TryHackMe, and I constantly improve my practical skills in ethical hacking by working on real labs and writeups.

Security achievements

• Discovered and disclosed: CVE-2025-10317
• Top 4% on TryHackMe
• 60+ machines solved on HackTheBox
• 80+ challenges solved on HackTheBox
• Active CTF participant — writeups and walkthroughs published

Notable findings

CVE-2025-10317 — Multiple Cross-Site Request Forgery.

CTF & Profiles

Find my profiles and writeups here:

• Mindcrafters: vq4s
• HackTheBox: vq4s
• TryHackMe: vq0x4s

Certificates & Training

eJPT — Junior Penetration Tester (May 2025)
Dante ProLab — Completed (May 2025)
Various platform labs (PortSwigger, HTB, THM) and CTF competitions.

Contact

Email: lukasz@vq4s.pl

Discord: vq4s