Shadowserver works with national governments, network providers, enterprises, financial and academic institutions, law enforcement agencies, and others, to reveal security vulnerabilities, expose malicious activity and help remediate victims.

201

National CSIRTs depending
on our free daily reports, covering 175 countries and territories

90+

different data sets generated through full daily Internet-wide IPv4 scanning

848,000

Malicious domains sinkholed & blocked in a single botnet takedown operation, 2.5M over 4 years.