Every organization runs on undocumented decisions, tribal knowledge, and complicated corners of the network that only a few understand. This is knowledge debt: an unmanaged risk hiding in plain sight. When this debt comes due, it shows up as longer outages, breaches, or compliance failures. This session reframes it not as a failure of the engineers but a governance problem leadership is responsible for, and provides the language that gets the issue into the boardroom, not the backlog.