Cyber Intelligence Company
Intelligence-Driven Cyber Defense
behind24.com ↗venturesVentures
Product
Breach and Darkweb Intelligence
darksint.com ↗Academy
Cyber Security Academy
siberdojo.com ↗educationEducation & Training
University
Clark University
Engineer's degree · Computer Science & IT
Academy
HackerU
Cyber Security Red Team · University of Warsaw
experienceWork Experience
Co-Founder & CTO
BEHIND24
May 2026 — PresentCo-Founder
SiberDojo
Aug 2026 — PresentInstructor
CyberCarier
Aug 2026 — PresentOffensive Security Expert
OnBT
Mar 2026 — Aug 2026Senior Cyber Security Engineer
Kalyon Holding
Mar 2026 — Aug 2026Senior Cyber Security Expert
iGA Istanbul Airport
May 2025 — Mar 2026Threat Researcher
BRANDEFENSE
Feb 2024 — Apr 2025Cyber Security Specialist
Borusan Holding
Nov 2023 — Jan 2024SOC Specialist
Platin Bilişim
Nov 2021 — Jan 2024Offensive Security Engineer
Shape Security
Mar 2020 — Aug 2021
certificationsCertifications
Offensive security & red team
PNPTPractical Network Penetration Tester
PORPPractical OSINT Research Professional
eWPTXWeb Application Penetration Tester eXtreme
CRTOCertified Red Team Operator
CEHCertified Ethical Hacker
CRTECertified Red Team Expert
CRTPCertified Red Team Professional
CompTIA
Security+Security fundamentals
CySA+Cybersecurity Analyst
PenTest+Penetration Testing
SecurityXSecurity architecture & engineering
Cloud+Cloud infrastructure
CASP+Advanced Security Practitioner
projectsProjects
Open source
Threat hunting · Incident response
Windows live-response script. Collects artifacts and checks them against built-in detection rules.
$ git clone github.com/emrekybs/Douglas-042
OSINT · Case mapping
Maps an investigation's entities, relationships and evidence in one place.
$ git clone github.com/emrekybs/OsintCase
Same sources.
Different perspective.
root@behind24:~$ ./contact --secure
Let's
talk.
- linkedin.com/in/emre-koybasi
- GitHub
- github.com/emrekybs
- Location
- Istanbul, Türkiye