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.

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.

2,750

Class C networks hosting honeypots & spampots