Increasingly in recent years, security teams have taken to threat hunting as a way to proactively identify and close gaps in their defense. While a large number of attacks can be prevented with automated security, the attacks that can evade it are often extremely damaging. This is where threat hunters come in. Threat hunters search out attacks happening in the system that automated tools may not have identified yet, or may not even identify at all.
Article Link: https://www.cybereason.com/blog/how-to-generate-a-hypothesis-for-a-threat-hunt-techniques