This episode explains how to design log retention and integrity so evidence remains trustworthy when it matters most, including legal discovery, regulatory review, and post-incident investigations, which ISSAP questions often probe through chain-of-custody and tamper-resistance scenarios. You’ll learn how to define retention periods by data type and risk, then design storage that preserves logs against deletion, alteration, and unauthorized access, including the use of write-once storage patterns, cryptographic integrity checks, and strict separation between log producers, log administrators, and investigators. We’ll cover how time synchronization, consistent identifiers, and controlled access auditing contribute to evidentiary value, not just operational convenience. Practical examples include protecting privileged activity logs from the same admins who hold infrastructure rights, ensuring cloud control-plane logs are retained beyond default windows, and building a defensible export process for legal teams. Troubleshooting considerations include retention gaps caused by cost pressure, integrity controls that fail because key management was overlooked, and evidence handling that breaks credibility due to undocumented access or incomplete timelines. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with.