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DFIREmerging1 sourceJun 8, 2026 · 01:13via Brett Shavers

Will Tomorrow Be Your DFIR ‘Mann Gulch’?

Brief

Most DFIR training teaches tools. Timelines. X-Ways filters. Database analysis. Registry carving. But it rarely teaches judgment, even though judgment is what saves (or sinks) an investigation when the evidence refuses to cooperate.

I understand, tho. Judgment is hard enough to get right as it is. Teaching it is that much harder. It's easier to teach tool manipulation and file system analysis than it is to teach working a case.

What do you do when your Playbook doesn't work?

Let me tell you a story. August 5, 1949. Mann Gulch , Montana, in the Gates of the Mountains Wilderness. Fifteen smokejumpers parachuted into a remote fire and linked up with a fire guard already on scene; sixteen total. They carried training, procedures, axes, saws, and radios. The playbook was clear. Then the fire blew up, jumped the gulch, and cut off their downhill escape route to the river.

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