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

70 billion

SSL certificates, indexed
 & searchable in our data & analysis clusters

848,000

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