People who realistically anticipate opponents (the state, kidnappers) using force to get at information on a personally targeted basis are likely willing to deal with a degree of real pressure, as shown by the long-term intransigence of many political prisoners through history.
What I'm saying is that if such threats are unacceptable to a person, chances are they are not going to involve themselves in the sort of activities that require keeping secrets in the first place, or are sufficiently disciplined to have weak device security because they don't write anything down.
What I'm saying is that if such threats are unacceptable to a person, chances are they are not going to involve themselves in the sort of activities that require keeping secrets in the first place, or are sufficiently disciplined to have weak device security because they don't write anything down.