This post will describe how to add a trigger that initiates a “self-destruct” sequence when your BusKill laptop kill cord’s connection is severed–rendering your data permanently & irrevocably destroyed in the event that your laptop were physically separated from you (ie: by a snach-and-run thief).
Many people were disappointed when the original post introducing BusKill only alluded to a self-destruct trigger, without actually describing how to use it with BusKill. This was done for two reasons:
- Most people probably don’t actually want an accidental false-positive to destroy all their data and
- A self-destruct sequence should be taken seriously. Its implementation should be thoroughly thought-out, tested, and forensically analyzed
This article will provide that thorough analysis and explain to the reader how to implement a self-destruct trigger with BusKill on linux machines that have FDE with LUKS.
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