Shadowserver is an all volunteer watchdog group of security professionals that gather, track, and report on malware, electronic fraud, and botnet activity online. It is the mission of Shadowserver to improve the security of the internet by raising awareness of the presence of compromised servers, malicious attackers, and the spread of malware by various means.

Shadowserver works alongside other security agencies and groups to establish and coordinate defensive strategies. We also work to raise public awareness and assist corperations in mitigation of cyber attacks and mass infections.

--Preliminary mission statement, established by Nicholas Albright et al.