12 security interview questions, asked at Amazon, Google, Apple and 8 more companies. Last asked Oct 2026.
Detect security attacks in text logsCodingScan text logs for patterns indicating security attacks and report the offending entries. Reported on 1point3acres' Fireworks AI bank; reconstructed in our own words.
Last asked Oct 2026
AI-agent security detection over streaming telemetryAI system designDesign a system in which an AI agent reads a stream of security telemetry and runs detections on it. About 1 TB of data arrives per day. It was asked like a traditional system…
Last asked Oct 2026
Design the security architecture for an LLM chatbotAI system designA company runs a customer-facing chatbot built on a language model. Design its security: protecting the bot from abuse and prompt injection, limiting the data it can see and the…
Explain how TLS secures a connectionCodingA networking fundamentals question after a coding exercise: explain how TLS sets up a secure connection between a client and a server, and how it protects the data afterwards…
Last asked Aug 2026
Design a security monitoring frameworkSystem designDesign a framework that collects security signals such as logs and events from many systems, detects suspicious activity, raises alerts and supports investigations. Cover…
Last asked May 2026
Keep private code from leaking through a coding agentAI system designA company runs an AI coding agent over its private repositories. Design the safeguards that stop private source code from leaking: into model training data, into answers shown to…
Last asked Apr 2026
Design a secure API for an AI assistantSystem designDesign the API through which clients call an AI assistant, with the focus on security. How are callers authenticated, how are tokens issued, signed and validated, how is each…
Last asked Apr 2026
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Design an access management systemSystem designDecide who can do what to which resource across many services: roles, groups, fine-grained permissions, fast checks on every request, and auditable changes.
Last asked Jan 2026
Design a key management serviceSystem designDesign a service that creates, stores and rotates encryption keys for other services and performs encrypt and decrypt calls for them. Cover how master keys are protected (hardware…
Last asked Sep 2025
Design a risk management ticketing systemSystem designDesign a ticketing system that a security and risk team uses to track risks: open a ticket, assign an owner, set severity and deadlines, escalate when it is overdue, and close it…
Last asked Sep 2025
Design Mint.comSystem designLink users' bank and card accounts, pull and categorize transactions daily, and show budgets and spending trends, keeping credentials safe.