“Living off the land” is a phrase adopted to describe adversary behavior of using built-in system tools in an attempt to blend in or hide in plain sight with expected system/network activity. The practice typically involves IT-based tools and tactics, but industrial cybersecurity firm Dragos reviews the relevance or living off the land for ICS/OT environments. Even advanced ICS-focused (and skilled) threat groups use IT-based system tools such as PowerShell to gain initial access before traversing ineffective network segmentation to compromise ICS/OT networks. Dragos highlights some often overlooked defense strategies to defeat attackers, including baselining legitimate ICS protocols and setting alerts to trigger on abnormal deviations for further investigation. Read more at Dragos
H2Oex: In Person 1 day event/exercise. Thurs Dec 5th. Washington DC. Join us!