2) Log as much as possible and do something with the logs. Log everything and continue to improve your SIEM or security stack based on new threat intel. This i

2) Log as much as possible and do something with the logs. Log everything and continue to improve your SIEM or security stack based on new threat intel. This is a good one. If you have a SIEM + Log Aggregation setup and you don't have robust logging and/or aren't feeding those logs into it, you should have saved yourself some time and burned the money you spent on it.