Security

⏷ 6. What are some common vulnerabilities associated with authentication mechanisms?

⏷ 7. How can you prevent privilege escalation in a microservices environment?

⏷ 8. Describe a scenario where JWT can be exploited and how to mitigate it.

⏷ 9. How would you design an authorization system that supports both RBAC and ABAC?

⏷ 10. Explain how to securely rotate signing keys for JWT without disrupting active sessions.

⏷ 11. What are the differences between symmetric and asymmetric encryption?

⏷ 12. How does TLS secure data in transit, and what are its main components?

⏷ 13. Explain the concept of end-to-end encryption and where it is applicable.

⏷ 14. What is data at rest encryption, and why is it important?

⏷ 15. How do hashing algorithms differ from encryption algorithms?

⏷ 16. What are some best practices for managing encryption keys?

⏷ 17. How would you handle encryption key rotation in a live system without downtime?

⏷ 18. Describe a situation where improper encryption implementation led to a security breach.

⏷ 19. Explain how to securely store and manage secrets in a Kubernetes-based microservices architecture.

⏷ 20. What is a firewall, and how does it protect a network?

⏷ 21. Explain the concept of a VPN and its use cases.

⏷ 22. What are the differences between HTTP and HTTPS in terms of security?

⏷ 23. How do network segmentation and micro-segmentation enhance security in a cloud environment?

⏷ 24. What is a DMZ (Demilitarized Zone) and why is it used?

⏷ 25. Describe how SSL/TLS works at the network level.

⏷ 26. How would you secure inter-service communication in a microservices architecture without relying solely on network policies?

⏷ 27. How can you detect and mitigate a man-in-the-middle (MITM) attack in a distributed system?

⏷ 28. Describe the process of securing a Kubernetes cluster's network traffic using service meshes like Istio.

⏷ 29. What are some common security vulnerabilities in APIs, and how can they be mitigated?

⏷ 30. Explain the concept of rate limiting and its importance in API security.

⏷ 31. How does API gateway contribute to securing microservices?

⏷ 32. What is input validation, and why is it critical for API security?

⏷ 33. Describe how CORS (Cross-Origin Resource Sharing) works and its security implications.

⏷ 34. What are API tokens, and how do they differ from API keys?

⏷ 35. How would you secure a public API that requires both high availability and strict access controls?

⏷ 36. Explain how to implement mutual TLS for API authentication and authorization.

⏷ 37. Describe a strategy to protect APIs against automated bot attacks and scraping.

⏷ 38. How can you ensure secure versioning of APIs without exposing sensitive information?

⏷ 39. What are the key components of an effective security monitoring system?

⏷ 40. How do SIEM (Security Information and Event Management) tools work?

⏷ 41. Explain the importance of logging in security auditing.

⏷ 42. What is anomaly detection in the context of security, and how can it be implemented?

⏷ 43. How would you set up monitoring for suspicious activities in a Kafka cluster?

⏷ 44. Describe how to correlate events from multiple microservices to detect a coordinated attack.

⏷ 45. What is the difference between vulnerability scanning and penetration testing?

⏷ 46. How do you prioritize vulnerabilities once they are identified?

⏷ 47. Explain the concept of a CVE (Common Vulnerabilities and Exposures).

⏷ 48. What are some tools used for vulnerability assessment in containerized environments?

⏷ 49. Describe the process of patch management in a microservices architecture.

⏷ 50. How does the OWASP Top Ten list help in securing applications?

⏷ 51. How would you handle zero-day vulnerabilities in critical components of your system?

⏷ 52. Describe a strategy to continuously integrate vulnerability assessments into your CI/CD pipeline.

⏷ 53. Explain how to securely manage and update third-party libraries in a multi-language microservices ecosystem.

⏷ 54. What are some security challenges unique to microservices compared to monolithic architectures?

⏷ 55. How does the principle of least privilege apply to microservices?

⏷ 56. Explain the concept of "secure by design" in the context of microservices.

⏷ 57. How can service meshes enhance the security of microservices communications?

⏷ 58. Describe how to implement security testing in a microservices development lifecycle.

⏷ 59. How would you design a secure authentication flow across multiple microservices without creating a single point of failure?

⏷ 60. Explain how to handle secret management for numerous microservices without exposing sensitive data.

⏷ 61. How can you ensure data consistency and security when implementing distributed transactions in microservices?