Scope and fit
Evidence is strongest when it is a normal by-product of operating a control. An evidence map helps a team find those records and notice when a process has stopped producing them.
Describe the record, not only the filename
For every control, note what the record proves, who creates it, where the source of truth lives, and how often it changes. A generic folder link does not explain whether the evidence is relevant.
Keep time context visible
A screenshot from one day cannot establish a recurring practice by itself. Preserve the date range, population, system context, and reviewer sign-off where those details matter to the control.
Limit copies of sensitive material
Prefer controlled links or exports with narrowly scoped access over emailing logs and employee records. Retention and redaction should follow the organization's data-handling rules and assessment instructions.
Decisions and tradeoffs
Use this table as a working review record. Replace assumptions with evidence from the target environment.
| Decision area | Working guidance |
|---|---|
| Describe the record, not only the filename | For every control, note what the record proves, who creates it, where the source of truth lives, and how often it changes. A generic folder link does not explain whether the evidence is relevant. |
| Keep time context visible | A screenshot from one day cannot establish a recurring practice by itself. Preserve the date range, population, system context, and reviewer sign-off where those details matter to the control. |
| Limit copies of sensitive material | Prefer controlled links or exports with narrowly scoped access over emailing logs and employee records. Retention and redaction should follow the organization's data-handling rules and assessment instructions. |
Implementation questions
What should the team decide about describe the record, not only the filename?
For every control, note what the record proves, who creates it, where the source of truth lives, and how often it changes. A generic folder link does not explain whether the evidence is relevant. Use a named owner and a written acceptance check so this decision can be reviewed after deployment.
What should the team decide about keep time context visible?
A screenshot from one day cannot establish a recurring practice by itself. Preserve the date range, population, system context, and reviewer sign-off where those details matter to the control. Use a named owner and a written acceptance check so this decision can be reviewed after deployment.
What should the team decide about limit copies of sensitive material?
Prefer controlled links or exports with narrowly scoped access over emailing logs and employee records. Retention and redaction should follow the organization's data-handling rules and assessment instructions. Use a named owner and a written acceptance check so this decision can be reviewed after deployment.
Plan, build, verify, operate
Describe the record, not only the filename: For every control, note what the record proves, who creates it, where the source of truth lives, and how often it changes. A generic folder link does not explain whether the evidence is relevant. Record the result and the next owner before changing the next boundary.
Keep time context visible: A screenshot from one day cannot establish a recurring practice by itself. Preserve the date range, population, system context, and reviewer sign-off where those details matter to the control. Record the result and the next owner before changing the next boundary.
Limit copies of sensitive material: Prefer controlled links or exports with narrowly scoped access over emailing logs and employee records. Retention and redaction should follow the organization's data-handling rules and assessment instructions. Record the result and the next owner before changing the next boundary.
Deployment checks
Turn the page into a reviewable handover by assigning each check to a person and retaining its result.
Build an Evidence Map That Stays Useful All Year: decision 1
Write down the boundary, owner, dependency, and proof required for build an evidence map that stays useful all year before implementation begins.
Build an Evidence Map That Stays Useful All Year: decision 2
Write down the boundary, owner, dependency, and proof required for build an evidence map that stays useful all year before implementation begins.
Build an Evidence Map That Stays Useful All Year: decision 3
Write down the boundary, owner, dependency, and proof required for build an evidence map that stays useful all year before implementation begins.
Handover and ownership
Before handover, name the system owner, support path, access boundary, backup or recovery responsibility, and the condition that pauses a change.
Keep a short record of what was tested, what remains outside scope, and when the review should happen again.
