Linux Fundamentals · lesson 13 of 15 · 15 min

Hardening user accounts

summary: Account hardening means removing unused accounts, using strong authentication, limiting administrative access, and reviewing group membership regularly.

question: Which action supports account hardening?

options:

• Share one administrator account
• Remove unused accounts
• Give every account admin rights
• Turn off authentication

correct: Remove unused accounts

explanation: Unused accounts create unnecessary access paths and should be reviewed or removed.

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