Vangelis Stykas

Atropos is a boutique offensive cybersecurity firm specializing in deep, expert-led testing for startups and high-risk sectors. We offer: • Penetration testing (API, web, mobile, and network) • Red teaming and adversary emulation • Strategic cybersecurity consulting and architecture reviews Our work is expert-led and tailored to each client’s architecture, threat profile, and stage of growth. Whether you’re preparing for SOC 2, scaling a high-stakes product, or protecting sensitive systems, we help you build with security from the start. Led by veteran offensive security researchers, we bring deep experience simulating real-world adversaries and uncovering complex vulnerabilities. We’ve partnered with startups, infrastructure providers, and investor-backed teams that treat security as a foundation for growth and trust. If you’re a founder, investor, or operator looking for a cybersecurity partner who understands startups, let’s connect.