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2707 questions of the kind that actually get asked — in interviews, in architecture review boards, and by the person who has to run the thing at 3 AM. Every answer states the trade-off rather than the slogan, and says when the obvious choice is the wrong one.

All areas2707 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 AI-Era Architecture96 Software Architecture & Engineering84 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture90 Data Platform Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

4 questions in Privacy by Design.

  1. Privacy by Design advanced

    A privacy review finds that a customer's date of birth and partial bank details are visible in session-replay recordings for a subset of users, although the analytics vendor's configuration masks those fields. It affects roughly 3% of sessions, all on one flow. Where do you look, and what does the pattern tell you?

    3 min answer session-replaymaskingthird-party-scriptsdata-minimisation
  2. Privacy by Design advanced

    On 20 March 2023 a change to OpenAI's servers spiked Redis request cancellations, a redis-py bug returned another user's cached reply on a pooled connection, and chat titles plus payment details of roughly 1.2% of active ChatGPT Plus subscribers were exposed during a nine-hour window. Which design decision turned a client-library bug into a personal-data breach?

    3 min answer openaicacheconnection-poolbreach
  3. Privacy by Design advanced

    What does privacy by design mean architecturally rather than as a policy statement, and which decisions must be made first?

    2 min answer jupiterprivacyminimisationdefaults
  4. Privacy by Design advanced

    What does privacy by design mean concretely at the point of designing a system, rather than as a principle?

    1 min answer privacyminimisationdesigndefaults