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Interview question · Application & API Security

What does securing a production database involve end to end: identity, privileges, network, encryption, auditing and backups?

Most database breaches are not clever. They are a reachable database, an over-privileged account, a leaked credential or an exposed backup.

easyEssentialNewPreparation tags: Amazon, Microsoft, GoogleUpdated Nov 2026

Most database breaches are not clever. They are a reachable database, an over-privileged account, a leaked credential or an exposed backup.

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What would you say before reading the answer?

  1. 01 State the assumptions your answer depends on.
  2. 02 Explain the mechanism and choose a control.
  3. 03 Name a condition that would change your decision.

The worked answer includes an approach, scoring criteria and follow-up questions. Compare the reasoning with your own.

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What if · the follow-ups in this answer

The answer works through 6 follow-ups like an interviewer would

An application connects to its PostgreSQL database as the owner account, and the database has a public IP 'for convenience'.

  1. Who should be able to connect?
  2. What should the application's account be able to do?
  3. How should data be protected in transit and at rest?
  4. What should be recorded?
  5. Where do copies of the data go?
  6. What would you fix first?

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UP NEXT ON YOUR JOURNEY
Next in this trackWhy does the database account's privilege decide how bad an SQL injection becomes, and how do you limit the blast radius?Next in this trackHow do you secure a managed cloud database such as RDS or Cloud SQL, including network access, IAM authentication, snapshots and audit logs?Next in this trackWhy have so many MongoDB, Elasticsearch and Redis instances been breached or wiped, and how do you deploy them safely?
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