WYKYK
Speciality: Real-World Adversary Simulation
5 employees
Publishes CVEs
[01] About
WYKYK is a Dutch security and investigations firm founded in 2023 with 4 employees; specializes in penetration testing, blackbox hacking, and vulnerability management with a focus on offensive, adversary-style security testing. The company offers retests and 'Pentesters as a Service,' emphasizing ethical hacking and breach simulation, and is based in the Netherlands, confirmed by legal registration and contact details.
We break first. So you don’t get broken._
WYKYK = When You Know, You Know. We expose the cracks before attackers do.
We’re a team of ethical hackers and engineers who think like attackers but act as your defense team.
No compliance theater. No false comfort. We expose the cracks before criminals do and help your developers close them.
Our mission: Breach the code. Teach the dev.
We exist to make software stronger by attacking it before others do.
Our vision: Turn developers into defenders.
Every bug fixed is a lesson learned. Because when developers think like attackers, software stays secure.
What we offer:
- WYKYK 24/7: AI-driven continuous scanning, OWASP & CVE coverage, live findings in PenPortal.
- Pentests: Deep-dive, human-led attacks that truly break your applications.
- Pentester-as-a-Service: Offensive testing embedded directly in your sprints.
- PenPortal: A remediation hub where issues are raised, tracked, validated, and closed.
We don’t just drop reports. We stay until issues are truly fixed.
We teach your devs to think like attackers, so your software stays unbreakable.
Ready to see your weaknesses before attackers do?
Work with WYKYK.
Have our Ethical hackers on your side.
Offense as your defense.
[02] Services
WYKYK Provides Offensive Security Services Including Penetration Testing
Continuous Breach Simulations
Hacking-as-a-service
Pentesters As A Service
Leveraging Both AI And Human Ethical Hackers To Expose Vulnerabilities Before Attackers Do.
[05] Notable Clients
- NowOnline.com
- Marktlink
- HROffice
- Liberators
- Fides
- Columinity