Step 4: Be proactive
APTs often return with nuanced versions of the attack, so it is absolutely critical that organizations take a proactive stance to break the cycle.Enterprises can defend proactively against cyber attackers by changing the mindset from 'if' an attack will happen to 'when' an attack will happen. Teams must be actively investigating the environment for IOCs by continuing to collect data from multiple sources and looking for known malware via signatures and unknown malware via behavioral detection algorithms. Additionally, staying current with the latest threat intelligence and available countermeasures and deploying them as required, within the context of the environment, maintains the ongoing employee education of the landscape.