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.

96 billion

UDP and 214 billion TCP IPv4 scan packets sent every day

8,000

Vetted network owners who rely
on our free daily reports

201

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