A practical classification separates public, review-required, confidential, restricted, and prohibited material. Public material may include approved principles, released documentation, reviewed demonstrations, and lessons that reveal no protected context. Review-required material includes claims about capabilities, economics, performance, partners, legal posture, or future direction. Confidential and restricted material stays inside its authorized environment even when a sanitized summary might later be possible.
Prohibited content includes credentials, personal data, private customer information, unpublished financial details, exploitable security information, privileged advice, and specific operational facts that would create unnecessary risk. Removing names is not always enough because combinations of dates, roles, screenshots, and workflow details can re-identify a person or system. The content owner should ask what a motivated reader could infer, not only whether a sensitive word appears.