Hilary Walke - CYBRI

Theo Psarras

Pen-Test Onboarding Specialist • Red Teamer • OSCP

Theo is the Pentest Onboarding Lead at CYBRI, where he bridges the gap between clients and CYBRI’s red team operations. An OSCP-certified penetration tester with a background in military special operations, he combines deep technical expertise with mission-level precision to ensure every assessment runs smoothly from scope to report delivery. His experience in network and web application security gives clients confidence that their engagement is handled with both strategic insight and hands-on skill.

Find mission-critical vulnerabilities before hackers do.

CYBRI’s manual pen tests are performed by U.S.-based highly certified Red Team experts.

We help businesses detect & remediate catastrophic vulnerabilities in applications, cloud, and networks.