In Tails 6.11 or earlier, an attacker who has already taken control of an application in Tails could then exploit vulnerabilities in *Onion Circuits* and our *Tor Browser* wrapper that might lead to deanonymization.
To configure your additional software, choose **Applications ▸ Persistent Storage** and click on the [[!img lib/emblem-system.png class="symbolic" link="no"]] button of the **Additional Software** feature.
