Theodoros Moutesidis
I break systems.
Then help
make them better.
Manual web & API testing. Secure code review. Tools that make security work better.
Thessaloniki, Greece · Working worldwide
Practical credentials
View qualifications ↗What can I help with?
Web & API
pentesting
Find weaknesses in authentication, access control, and business logic.
Explore service ↗Code review
& SAST triage
Turn source code and scanner findings into actionable fixes.
Explore service ↗Network &
identity security
Review infrastructure, Active Directory, and access boundaries.
Explore service ↗Security tooling
& AI systems
Build repeatable workflows for assessment, review, and reporting.
Explore service ↗Hands-on. End to end.
Enterprise
application security
Manual testing, findings validation, and remediation support.
View work ↗EngineeringFortify triage
automation
A Python pipeline for repeatable SAST review.
View work ↗ResearchAgentic
security systems
Development, evaluation, and evidence-focused reporting.
View work ↗Built it. Operated it.
Now I test it.
Software development, Linux, DevSecOps, and enterprise security. An engineering background that helps me connect a finding to a practical fix.
Experience & qualifications ↗From my toolbox.
A closer look.
Let’s talk about your security.
Tell me what you’re building and what you need assessed.