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Discussion / Defensive security

What should a first security review focus on?

How can a small team find its highest-risk assumptions before deploying?

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The question and its context

We are exploring a practical first review covering trust boundaries, sensitive data and access control. Which questions help a team identify the most useful next action?

An illustrative perspective

Start by mapping what data the system holds and who can change it. Review one complete flow across its trust boundaries before expanding the checklist.

Keep the exchange useful

Describe what you have observed, explain your reasoning and make room for another approach. Keep credentials and confidential information out of the conversation.