CREST Marketplace

CyStack is a leading cybersecurity company in Southeast Asia, trusted by enterprises and institutions worldwide – including government agencies, major banks, and top technology, fintech, and blockchain firms. Known for our credibility and real-world impact, we help secure some of the region’s most critical digital infrastructures.

We deliver specialized products and services across 3 core areas:

Security Testing & Assessment
Data Protection
Security Operations

What sets CyStack apart is our rare combination of deep security expertise – spanning offensive and defensive security, threat intelligence, cryptography, and data protection – and strong software engineering capabilities in areas like attack surface management, endpoint security, and password/secrets management. This unique blend enables us to develop secure-by-design products and deliver services that are rooted in real-world needs, not just theory.

Our team of security experts has uncovered critical vulnerabilities in the products of global tech giants such as NASA, IBM, Microsoft, and HP, with our team recognized in their Halls of Fame. CyStack has also earned multiple tech excellence awards and is among the few Southeast Asian firms invited to speak at leading global cybersecurity conferences, including Black Hat USA, FIDO APAC, and XCon.

At CyStack, we combine world-class talent, proven impact, and a practical approach to cybersecurity – helping organizations stay secure in an increasingly complex digital world.