Founder & CEO
Hassan AlMasri
Leads Zeroday and its mission to make advanced security capability more accessible across MENA.
COMPANY
We are building the region’s cybersecurity capability.
Zeroday is working to make advanced cybersecurity more accessible across MENA through offensive security, technology, and practical learning.
AT A GLANCE
Know who you’re working with.
We bring cybersecurity services, our own technology, and technical learning together for organizations across the region.
- Legal entity
- Zeroday Technology LLC
- Structure
- Remote-first, distributed team operating primarily across the MENA region.
- Working hours
- Sunday–Thursday · 09:00–18:00 GMT+3
- Languages
- Arabic-first; English on request. Reports in either language.
- Accountability
- Experts validate pentest findings and approve the final report.
- Client references
- Shared during qualification where permission allows.
THE PEOPLE BEHIND THE WORK
Know the people behind the work.
Security Lead
Hussam (mhzcyber)
Focuses on vulnerability research and exploit development. His research handle is credited in a published Bagisto maintainer advisory.
Bagisto advisory · 2026Penetration Tester
Mohammed Sherif
Works across web, mobile, network and wireless security assessments.
Penetration Tester
YoKo Kho
Works in penetration testing and vulnerability research, with publicly documented research contributions.
Adobe research acknowledgment · 2024Research references credit the named individuals. They do not imply a Zeroday customer relationship or endorsement. The delivery team and report approver are identified for each engagement.
WHAT WE ARE BUILDING
Stronger technology, talent, and institutions.
Technology
Build offensive-security systems with greater depth and reach.
Meet Obsidian
Talent
Turn bilingual learning and real methods into professional capability.
Visit the Academy
Institutions
Improve security decisions through authorization, evidence, and accountable delivery.
Explore our services