Passive DNS for Threat Intelligence 

Passive DNS for Threat Intelligence
A Technology Overview Whitepaper

Transform threat feeds into Actionable, Relevant Threat Intelligence in Real-time.

Farsight Security's passive DNS solutions allow today’s corporate threat intelligence teams to better leverage their existing threat intelligence data by adding critical contextual information.

  • Identify all domains associated with a suspicious netblock
  • Uncover all domains using the same name server infrastructure used by a known-bad domain
  • Discover the IPs a known adversary is using to hop around and avoid takedowns