The Shadowserver Foundation
The Shadowserver Foundation is a nonprofit security organization working altruistically behind the scenes to make the Internet more secure for everyone.
Our Story
What We Do
We collect vast amounts of threat data, send tens of thousands of free daily remediation reports, and cultivate strong reciprocal relationships with network providers , national governments and law enforcement. We bring malicious activities and abusable vulnerabilities out of the shadows, expedite their remediation and help to better secure the Internet.
Find Out More
848,000
Malicious domains sinkholed & blocked in a single botnet takedown operation, 2.5M over 4 years.
3.7 billion
IPv4 addresses scanned on 148 ports each per day (1.07 billion IPv6 on 77 ports). 381 million hosts respond
1.9 billion+
malware samples in our malware repository
Who We Serve
National CSIRTs<br>We give CSIRTs the vantage point to understand the big picture of what’s happening on the networks they’re responsible for.
National CSIRTs
Industry Sectors<br>We work with business and tech firms, financial institutions and academia, to improve network security, enhance product capability, and advance threat research.
Industry Sectors
Law Enforcement<br>We partner with law enforcement to help protect victims, take down global cybercrime infrastructures and prevent attacks before they occur.
Law Enforcement
Tools & Resources
Get reports about your network »
Common questions »
Statistics on malware, DDoS attacks, more »
Press kit »
Media coverage »
Follow us on Twitter »
Help us make the Internet more secure
The Shadowserver Foundation is an altruistic, public benefit, nonprofit organization funded by sponsorships, grants, and charitable donations.
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© 2026 The Shadowserver Foundation<br>Privacy & Terms
The Shadowserver Foundation GitHub »
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