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Patching, Configuration, and Least Privilege

You’ll be able to

Patching, Configuration, and Least Privilege

Hardening reduces opportunities for misuse: patch known flaws, disable unnecessary services, remove default credentials, enforce secure configuration, and grant only the privileges required. Least privilege limits both accidental damage and what malware can do after compromise.

Decision lens

Strong technical decisions connect evidence → mechanism → impact → response. Identify what the evidence shows, explain the system behavior that produced it, state the likely effect on people or data, and choose a response that addresses the cause without creating unnecessary disruption.

Worked example

A kiosk application runs under a local administrator account and the operating system is six months behind on security updates.

  1. 1.The excessive privilege increases the impact of any exploit.
  2. 2.Missing patches increase likelihood when known vulnerabilities exist.
  3. 3.Run the kiosk with a restricted account and an allowlist.
  4. 4.Test and deploy updates through a managed patch process.
Answer: Reduce privilege and patch exposure; either control alone leaves a major part of the risk untreated.
Checkpoint

Which is an example of least privilege?

Checkpoint

Which response best demonstrates complete reasoning about vulnerability reduction through secure configuration?

On the exam

For a scenario about vulnerability reduction through secure configuration, identify the decisive evidence before naming a response. A defensible conclusion here is: Reduce privilege and patch exposure; either control alone leaves a major part of the risk untreated.

Answer the 2 checkpoints as you read.

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