s
swithtools

Sarvarbek X.

@swithtools

HTB Certified Pentester Web App Security Audits Linux Hardening

Uzbekistan
English, Russian, Uzbek
About me
HTB-certified penetration tester (CJCA) with 12+ published CTF machines across VulNyx, HackTheBox, and HAAD TC. I perform web application security audits, Linux privilege escalation analysis, and sysadmin hardening — all with professional reports. Full-stack dev background means I understand your app from both builder and attacker perspectives. GitHub: github.com/xudoyorovsarvarbek01 LinkedIn: linkedin.com/in/sarvarbek-xudoyorov/... Read more

Skills

s
swithtools
Sarvarbek X.
Offline • 
Average response time: 4 hours

See my services

Security
I will pentest and find security vulnerabilities in your website before hackers do
From$30 / projectMore details
Server Administration
I will secure and harden your linux server before hackers exploit it
From$40 / projectMore details

Portfolio

Work experience

Upwork

Penetration Tester & Security Researcher

Upwork • Freelance

Dec 2023 - Present • 2 yrs 5 mos

Conducted 20+ full-scope penetration tests on CTF machines (TryHackMe, HackTheBox, VulNyx), documented as professional pentest reports with MITRE ATT&CK mappings and remediation recommendations. Exploited web vulnerabilities (SQLi, XSS, file upload bypass), privilege escalation (SUID, sudo, cron), and LFI/log poisoning and etc. Built automation scripts in Python and Bash. Developed full-stack platforms serving 500+ users.