The people behind QuantumDefenseWorks.
A focused firm, on purpose — here's the story and the two people you'd actually be working with.
Security built for whatever's next.
QuantumDefenseWorks started in Madrid out of frustration with security reports nobody could act on — dense PDFs full of jargon, with no clear sense of what to fix first.
The firm stays deliberately focused. Every engagement is led directly by a senior security lead, backed by a specialist bench for larger monitoring contracts — never a rotating cast of junior analysts learning your systems on the clock.
The standard is simple: findings should be specific, prioritized, and explainable to whoever has to actually fix them — a developer, an IT manager, or an executive with no security background.
Clients range from Madrid fintech and healthcare providers to regional retail and logistics companies, all needing the same thing: a clear answer about where they're exposed, and a straight path to closing the gap.
The team behind the reports.
Olga Shvetcova
Founder & Chief Security OfficerYour point of contact for every engagement — assessments and reports run through Olga directly.
Rubén Delgado
Principal Penetration TesterLeads hands-on testing and 24/7 monitoring coverage across client environments.