Computer Security Incident Response Team

We find vulnerabilities in systems you own, and tell you before someone else finds them.

CSIRT.global is a volunteer-led, not-for-profit foundation registered in the Netherlands. We scan for known vulnerabilities and exposed credentials, then contact the owners. We never ask for payment, credentials or access.

Check us

Everything here is independently verifiable

If we contacted you unexpectedly, you should be sceptical. These are the details you can check against public registers, without taking our word for anything.

Organisation record
Legal entity Stichting CSIRT.global · KvK register
RSIN 863825655
Registered office Maanweg 174, 2516 AB Den Haag, Netherlands
Telephone +31 70 41 90 309
Tax status ANBI (Dutch public benefit organisation) · published accounts
security.txt csirt.global/.well-known/security.txt · RFC 9116

Why

Our mission

We build a global community, bound by a passion for solving security problems such as vulnerabilities. We find owners and disclose to prevent incidents, making the world more secure. We love the internet and aim to understand its weaknesses. We love personal growth, and help our community to grow as individuals and as a group. We are non-partisan, a-political, inclusive and open. We maintain a sense of realism, we’re protective of sensitive data and understand its impact.