Field notes / 2025-12-09
Designing evidence images that feel imperfect on purpose
Real investigations rarely arrive as a single tidy image. We bake in benign software updates, casual gaming installs, and overlapping user profiles so timelines look human instead of synthetic.
Learners must write at least one paragraph per lab about what remains unknown. That requirement feels tedious until they see how it shortens manager questions later.
We refresh images slowly—quarterly at most—so cohorts can compare notes without everything shifting overnight. When we do refresh, we publish a short delta log describing what changed and why.
If you maintain internal training sets, consider borrowing the “unknowns paragraph” rule before you invest in more tooling licenses.