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Incident Investigation and Remediation Questions

Focuses on systematic investigation methodology and the distinction between immediate mitigation and long term prevention. Topics include collecting and preserving evidence, establishing a reliable timeline, identifying affected systems, performing root cause analysis, containment versus remediation, and documenting findings. Covers basic digital forensics principles and chain of custody, techniques for reducing blast radius and restoring service as a short term response, and planning permanent fixes to prevent recurrence. Also addresses privacy incident investigation practices such as interviewing stakeholders, assessing regulatory and compliance implications, timeliness and documentation requirements, remediation planning, and using post incident analysis to improve processes and controls.

HardTechnical
72 practiced
How would you build and run a security-focused post-incident review program that ensures remedial actions are owned, implemented, and verified? Describe the PIR template, ownership and verification model, KPI set to track remediation progress, enforcement mechanisms, and how you would scale the program across many product teams.
EasyTechnical
76 practiced
Explain the difference between immediate mitigation and long-term remediation during an incident. Provide concrete examples of each in the context of a production web service that has a suspected data leakage. In your answer, discuss when you'd prioritize mitigation over remediation (and vice versa), and explain trade-offs related to time-to-recover, preserving forensic evidence, customer impact, and technical debt.
HardTechnical
80 practiced
Explain the legally defensible steps and documentation an SRE team must produce during a data privacy breach to comply with GDPR and CCPA notification requirements. Include timelines for notification, how to map and identify affected data subjects, specific logs/evidence to retain, and how to coordinate actions with Privacy and Legal teams.
MediumTechnical
70 practiced
Walk through the steps and tools you'd use to capture and analyze a memory image from a live Linux host suspected of running in-memory malware. Mention acquisition tools (e.g., LiME), verification steps (hashes), key artifacts to inspect (process memory, loaded modules, network sockets), and chain-of-custody measures you would take.
MediumTechnical
71 practiced
Evaluate the trade-offs between taking a compromised host offline for full forensic analysis versus performing live analysis while it remains in production. Discuss evidence preservation, contamination risk, service availability, the risk of attacker escalation, and legal/regulatory considerations that influence your choice.

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