Answering the question "What?" in a written report means...

In a written report, answering the question "What?" involves detailing the specifics of the incident or event that took place. This includes providing a clear and concise description of the actions, occurrences, or significant facts that occurred during the event being reported. Focusing on "What?" allows the reader to understand the essential elements of the situation, which is crucial for conveying accurate information in a security context.

Describing the incident involves noting the time, specific actions taken, and any other relevant details that help to paint a complete picture of what transpired. Capturing this information accurately is vital for the report's effectiveness, as it serves as the basis for understanding the nature of the situation and any potential follow-up actions that may be necessary.