The field of threat hunting is redefining what zero-day means for organizations. Proactive and systematic hunting for post-exploitation behavior ensures there is never a time before the threat Threat hunters are continuously scouring your environment for clues of a malicious incursion. Human-driven threat hunting uses originality to pre-empt adversaries likely next moves and expertise to track and trace behavior patterns. A mature threat hunting program must be: a continuous 24/7/365 operation because the adversary doesnt sleep.”]
Source: https://www.darkreading.com/crowdstrike/how-proactive-threat-hunting-redefines-the-zero-day