Glossary

Threat Hunting

Instead of waiting for alerts, threat hunters actively search for hidden attackers. They assume the worst - that someone is already inside - and look for evidence. Finding threats before they cause damage.

What is Threat Hunting?

Proactively searching through networks and systems to detect threats that evade existing security solutions.

Why Should You Care?

Attackers often remain inside networks for months before being discovered, giving them time to move laterally, escalate privileges, and exfiltrate data. Without active threat hunting, organizations rely solely on automated detection tools that adversaries specifically work to evade. Threat hunting shortens detection time significantly, reducing the window for attackers to cause damage and limiting the scope of compromise.

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Real-World Example

Security analysts review system logs and notice unusual accounts being created at 2 AM on multiple servers, followed by suspicious scheduled tasks designed to persist after reboot. Despite the accounts having no obvious human activity, the pattern suggests automated backdoor installation. The team isolates affected systems, discovering the attacker had been in the network for weeks—invisible to existing alerts but caught through directed hunting.

How to Protect Against Threat Hunting

  1. 1.

    Conduct threat hunting exercises monthly

  2. 2.

    Use threat intelligence to guide hunts

Related Terms

Siem, Threat Intelligence, Incident Response

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