We are an Accredited Cyber Security consulting company founded by senior penetration testers and security managers that believe in a world where abilities matter the most, CTD offers certified Cyber Security Services of the highest quality possible, for clients in the USA, EMEA, and the Middle East

CTD is a CREST Certified Member in Penetration Testing

Our engineers
are certified with:

Certified Incident Handler (ECIH)
comptia pentest+
Certified Penetration Testing Consultant (CPTC)
Certified Red Team Professional
Offensive Security OSCP Certification
oswe avae certification
Certified Red Team Expert
Certified Ethical Hacker Certification
CISM Certification Security Manager Alexandru Armean
Nexpose NACA Certified Administrator
Cisco - Certified Network Associate (CCNA)
eWPT certification
CREST CPSA certification
Microsoft MTA Certification
Splunk - Core Certified User
nexpose certified administrator
Fortinet - Network Security Associate
ccna cisco certified routing and switching
AZ-900-1 Microsoft Azure Certification
Danie Ciobanu Co-Founder CEH Certified Cyber Security Engineer
Certified Ethical Hacker Certification
Nexpose NACA Certified Administrator

Daniel Ciobanu

Co-Founder & Managing director

Cyber Security consultant, specialized in delivering services such as: penetration testing, vulnerability assessment, source code analysis, security training for QAs and developers.


  • ATM, Banking IoT devices Pentest, Cloud Security Assessment
  • Ethical Hacking, Penetration Testing, Mobile, Web applications, Wireless Audits, Forensics, Awareness training.
  • Speaker at Cyber Security Conferences
  • Workshop holder on Security Audit on Mobile Apps


Certified Information Security Manager (CISM)
Certified Information Systems Security Professional (CISSP)
Certified Ethical Hacker (CEH) from EC-Council
Nexpose Advanced Certified Administrator (NACA) from Rapid 7
GWAPT Giac Web Application Penetration Tester from GIAC
GIAC Advisory Board member

Andrei Pusoiu

Co-Founder & General manager

Andrei makes sure that CT Defenses’ clients and partners receive the best possible quality in regards to the CTD services. 

Passion for cybersecurity and technologies that make secure software possible. Self-starter, I am a Senior Penetration tester specialized in web, mobile and network security audits. I speak at conferences on cyber security topics and application security and run workshops on how to build more secure software within organizations. I’m also the Co-Founder of the cybersecurity company known as “Cyber Threat Defense”. 


Ethical Hacking, Penetration Testing, Mobile, Web applications, Wireless Audits, Forensics, Awareness training.

OSINT, Threat Intelligence

Speaker at various Cyber Security Conferences on Penetration Testing and Application security

Secure Software Development Trainer and Workshop owner


Razvan Furdui OSCP Certified Cyber Security Engineer
Offensive Security OSCP Certification
ccna cisco certified routing and switching

Razvan Furdui

Operations Manager

Responsible for managing Core and Remote Cyber Security teams and optimize the internal processes within the company. Experience in penetration testing on various areas like web, mobile applications, and internal/external network security assessments.


  • Managing Cyber Security Teams
  • Process Management
  • Network Security Audit
  • Mobile Application penetration testing
  • Secure Software Development


Offensive Security Certified Professional (OSCP)

Cisco Certified Routing and Switching (CCNA)

CREST Registered Penetration Tester (CREST CRT)

CREST Practitioner Security Analyst (CPSA)


Veronica Mihaiu OSCP Certified Cyber Security Engineer
Offensive Security OSCP Certification

Veronica Mihaiu

Information security Technical Team lead

Veronica is the Team Lead of the Defensive security team. 

Cyber Security & Blue Team engineer, specialized in web and mobile security audits.

Strong Points & Experience: Penetration Testing, Vulnerability Assessment, Ethical Hacking, Source Code Analysis, Web& Mobile Applications Audits.

Main skill set: excellent communication abilities, organized, responsible, thorough, goal-oriented & problem-solver attitude.

Favorite quote: “Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing or learning to do.”


  • Android Application penetration testing
  • iOS Application penetration testing
  • Web applications security audit
  • Secure Software Development


Offensive Security Certified Professional (OSCP)

Offensive Security OSCP Certification
oswe avae certification

Dan Nicolae

Network SECURITY Professional

Blue Team specialist, Bug Bounty Hunter, Certified Offensive Security Professional


  • Network Security Assessment
  • Web applications security audit
  • Security Researcher
  • Blue Team Specialist


Offensive Security Certified Professional (OSCP)

Advanced Web Attacks and Exploitation (AWAE)

Offensive Security Web Expert (OSWE)


Andrei Petric

Cyber security engineer

Offensive Security Engineer, Project Manager & Brand Protection Specialist – Andrei is responsible with Criminal Activities Take Down and makes sure that clients brands are properly protected from malicious attackers.


  • Brand Protection
  • OSINT, Dark Web Monitoring
  • Breach Monitoring and Detection
  • Web applications security audit
  • Project Manager

Ovidiu Valea

CYber security engineer

Passionate about mathematics from elementary school, I discovered the beauty of informatics and cyber security in high school that led me to follow the Computer Science degree and the MSc in Computer and Information Systems Security at Technical University of Cluj-Napoca. In parallel with the master’s degree I started to teach in the computer science department as a laboratory teacher. On the professional side I’m excited about securing the information systems and DevOps.


  • Network Security Audit
  • Mobile Application penetration testing
  • Web Application Security Audit
  • Secure DevOps
  • Cloud Security Review
Costi Luchian Cyber Security Engineer
Offensive Security OSCP Certification
Certified Red Team Expert
AZ-900-1 Microsoft Azure Certification
Certified Red Team Professional
Cisco - Certified Network Associate (CCNA)

Costi Luchian

Red Team Specialist and Forensics Engineer

Passion about Network and Information Security starting from an early age, I started reading, learning, and sipping from what it’s called Cybersecurity. This passion led me to follow a bachelor’s degree in Computer Science during which I tried to fill in the gaps with others.

Meanwhile, I’ve tried getting back to the community by mentoring students at the Technical University of Timisoara during their summer internship.


  • Network Security Audit
  • Certified Red Team Specialist
  • Forensics and Incident Investigation
  • Threat Hunting
  • Cloud Security Controls Review

David Timofte



Bachelor’s degree in computer science. Passionate about cyber security field since an early age, developing relevant projects in this domain during my learning phase.
I am a junior penetration tester and soon looking forward to take the Offensive Security (OSCP) certificate.


  • Web Application penetration testing
  • Network penetration testing

Oana Balint

Business Developer

Oana is a Business Development Specialist & Project Manager, she is responsible for optimizing the internal processes within the company, management of certain projects, finding new opportunities and the overall image of the company. Passionate about Business, Psychology, and Technology. 

Main skill set: creative, detailed oriented, highly adaptable, problem-solver, team player, thorough analyst & researcher.


  • Process Optimization
  • Marketing/Design
  • Project Managing

Ciprian Nisioi


Passionate about informatics since high school, I decided to continue my studies at Babes-Bolyai University, Faculty of Mathematics and Computer Science, where I discovered the cyber security domain through various courses and self-studying.

Then I started practicing on hacking platforms and participating in Capture-The-Flag events, significantly growing my skills and knowledge.
Now I’m looking forward taking the OSCP certificate.


  • Web Application penetration testing
  • Internal Assessments
  • Reverse Engineering
  • Binary Exploitation 

Brief Company History

● 2013: Andrei Pușoiu and Daniel Ciobanu founded the Security Division at a local outsourcing company (400+ employees) and started work on penetration testing projects as freelancers

● 2014: Expanded the services through the middle east region (UAE)

● 2015: Started pentesting IoT devices, found significant vulnerabilities in 11+ million deployed devices

● 2016: Establish the brand, opening of the US market

● 2017: Partnership with other local Cyber Security Companies for outsourcing projects

● 2017: Andrei Pușoiu incorporates CT DEFENSE SRL in association with Daniel Ciobanu

● 2018: Alexandru Armean joins the company as associate to complement with IT Security Management and Project Management experience

● 2019: hiring of 10 more security engineers and consultants

● 2019: significant number of new projects (investigations in cumulated 10 milion € frauds, over 3000 pentest, multiple on-site engagement in UAE, EMEA and across the country)

● 2019: First steps towards obtaining ISO 27001 certification

● 2020: Engaged in obtaining CREST UK based certification

We strongly believe that our unique combination of competencies make us a good candidate to any project

What we believe in

Our Mision

Help clients deal with cybersecurity risks using a variety of cybersecurity services

Our Vision

A global leader in the cybersecurity field having certified engineers that can cover every niche in cyber

Our Values

Trust, Personal Drive, Highly Technical, Communicative

Gain confidence in your IT Systems

We Can Help.