TA0005 · DEFENSE EVASION
Indicator Blocking
An adversary may attempt to block indicators or events typically captured by sensors from being gathered and analyzed.
Detect it with
Detect lack of reported activity from a host sensor. Different methods of blocking may cause different disruptions in reporting.
Why it matters on shift
Indicator Blocking is one of the concrete ways adversaries achieve defense evasion. Recognising it in telemetry lets you name the technique in your ticket and pivot to what came before and after.
What to look for next
After defense evasion, the next tactic is usually Credential Access. Search your telemetry for the transition before closing the ticket.
Kill-chain context