TA0005 · DEFENSE EVASION
Clear Mailbox Data
Adversaries may modify mail and mail application data to remove evidence of their activity. Email applications allow users and other programs to export and delete mailbox data via command line tools or use of APIs.
Detect it with
No MITRE detection guidance published. Build coverage from the parent technique and your own telemetry.
Why it matters on shift
Clear Mailbox Data 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