Rick Korteman
> whoami --verbose
Passionate and driven cybersecurity professional with over4+ yearsof hands-on experience in penetration testing and red team operations.
I specialise in simulating advanced adversaries to expose vulnerabilities across networks, web applications, APIs, and infrastructure — helping organisations understand and close their real-world attack surface.
My team members describe me as enthusiastic, well-organised, and decisive. I take full ownership of engagements and communicate complex findings clearly to both technical and non-technical stakeholders.
{
"name": "Rick Korteman",
"role": "Pentester | Red Teamer",
"location": "Amstelveen, NL",
"clearance": "OSCP",
"specialties": [
"Network Pentesting",
"Web App Testing",
"Red Team Ops",
"EDR Evasion",
"Custom C2 Dev"
],
"status": "available_for_contact"
}cat /var/logs/operations.log
Pentester & Red Teamer
Van Lanschot Kempen // Amsterdam, NL
- ▸Plan, scope, and execute penetration tests and red team operations across web apps, APIs, Active Directory, and cloud environments.
- ▸Develop custom offensive tooling in Python, C++, and PowerShell — including C2 implants and EDR bypasses.
- ▸Emulate real-world TTPs aligned with MITRE ATT&CK during full-scope red team engagements.
- ▸Deliver risk-rated reports and actionable remediation guidance to senior management and technical teams.
Red Team Intern
Van Lanschot Kempen // Amsterdam, NL
- ▸Earned OSCP certification during the internship period.
- ▸Designed custom red team tooling in Python and C++ to improve stealth and operational efficiency.
- ▸Conducted graduation research into Endpoint Detection & Response (EDR) evasion techniques.
SOC Analyst
Fox-IT // Delft, NL
- ▸Monitored and investigated security alerts in a 24/7 Security Operations Centre.
- ▸Triaged incidents and built a strong blue team foundation in log analysis and SIEM tooling, directly informing offensive methodologies.
./list_payloads.sh
> Enumerating offensive arsenal... done
verify_credentials.py
> Running credential verification... all checks passed
// Certifications
// Education
BSc Forensic ICT
Hogeschool Leiden
Leiden, Netherlands
MBO Level 4 — Media Developer
Mediacollege Amsterdam
Amsterdam, Netherlands
Establish_Secure_Connection
$ nmap -sV --script=vuln --open rick.korteman.nl
Starting Nmap 7.95 ( https://nmap.org )
Nmap scan report for rick.korteman.nl
Host is up (0.021s latency).
PORT STATE SERVICE VERSION
Service detection performed.
Nmap done: 1 IP address
# All ports open. Initiating handshake...
Looking to engage in a penetration test, red team operation, or a security assessment? I'm available for professional engagements and always open to discussing the adversarial security landscape.
Reach out via the channels above. All communications are treated with the discretion and confidentiality that high-stakes security work demands.