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.

848,000

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

12 petabytes

of malware and threat intelligence stored, growing at 1+ PB/year

70 billion

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