Nikolay Valkanov

Cybersecurity Researcher & Developer

Third-year member of CSCB - Cyber Security Challenge Bulgaria. Student at TUES Sofia with passion for cybersecurity and software development. Experienced in CTF competitions, cryptography algorithms, and application development.

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About Me

Cybersecurity Researcher & Developer

Third-year member of CSCB - Cyber Security Challenge Bulgaria. Student at TUES Sofia with passion for cybersecurity and software development. Experienced in CTF competitions, cryptography algorithms, and application development.

  • Location: Sofia, Bulgaria
  • Email: niki@valkanovi.com
  • Phone: +359 884 967 676
  • Status: Available for opportunities

3+

Years in CSCB Team

3+

Projects Completed

2+

Certifications

TUES

Sofia Student

Education

TUES Sofia

System Programming
 2021 - Present  Sofia, Bulgaria
Key Achievements:
  • Participated in multiple Hackathons and Coding Competitions
  • Won multiple awards in said competitions
  • Learned advanced programming concepts and hardware interaction
  • Built good connections with incredible people in the field

31 SUCHEM Ivan Vazov

Mathematics
 2014 - 2021  Sofia, Bulgaria
Key Achievements:
  • Participated in various mathematics competitions and olympiads
  • Found my passion for problem-solving and analytical thinking
  • Achieved high scores in the national exams which let me join TUES Sofia

Experience

CSCB Team Member

2023 - Present (3rd Year)
Cyber Security Challenge Bulgaria (CSCB)

Member of Bulgaria's national cybersecurity team, participating in international competitions and training programs.

  • Third consecutive year as active team member
  • Participated in multiple international cybersecurity competitions - CTFs
  • Fixed a vulnerability in a Go library
  • Competed in the European Cyber Security Challenge (ECSC) representing Bulgaria

Stivasoft Junior Cybersecurity Researcher

2025 - Present
Stivasoft

Junior researcher role focusing on learning and working on various cybersecurity projects.

  • Gained practical experience in cybersecurity research
  • Studied and learned the NIS2 directive and its implications
  • Started working on Kingdom, a C2 framework rewrite in Go

A1 Cybersecurity Intern

March 2024 - December 2024 (9 months)
A1 Bulgaria

Internship focused on practical cybersecurity skills and real-world applications.

  • Gained hands-on experience in cybersecurity practices
  • Worked on real-world security projects
  • Collaborated with industry professionals

Skills & Technologies

Programming

Python Go NodeJS Flask SQL C/C++ Linux/Unix

Cybersecurity

Penetration Testing CTF Competitions Network Security Web Application Security Cryptography Incident Response Security Auditing

Tools & Frameworks

Linux CyberChef pwntools Metasploit Burp Suite Wireshark Nmap Docker Git OWASP ZAP

Featured Projects

NeuroSync

Featured

A complex system consisting of three ANNs, two of which try to sync and create a secure encryptions system, while the third ANN is an attacker trying to break the encryption.

Python PyTorch NumPy
 Code  Live Demo

Kingdom

Rewrite and improvement of a popular open-source C2 Framework called Powershell Empire.

Go TCP/IP Multithreading
 Code

8-bit Computer

Featured

A hardware project created on breadboards using basic logic gates and flip-flops to simulate an 8-bit computer architecture.

Breadboards Logic Gates Flip-Flops Jumper Wires
 Code

Certificates & Achievements

 

English C2

Cambridge Assessment English

Official Cambridge C2 Proficiency Certificate

2025 ID: BG0010002
 

Mathematics B Certificate

Boswell-Beta

Covers the second level of Netherland's mathematics curriculum for high school students.

2025 ID: VWO13082025

Get In Touch

niki@valkanovi.com

+359 884 967 676

Sofia, Bulgaria