If you embrace the fact that many attacks are impossible to mitigate, your security will improve.

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Back in the 1990’s, I was involved in a discussion about how an individual could deal with Van Eck monitoring, where an attacker captures the contents of your screen from outside the building. My take was that if your opponent has a surveillance team in a van full of special equipment parked right outside your house, your only realistic option is to run and never look back, in hopes of starting a new life elsewhere. Perhaps this scenario is a bit dramatic, but it illustrates an important point. We spend a lot of time thinking about and trying to mitigate threats that are so extreme you are basically already doomed if they are ever used against you. You can’t mitigate against Mission Impossible-style attacks, because whatever you try to prevent, they always have another way of getting at you.

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