Which method can be used to harden a device?

• Allow users to re-use old passwords.
• Force periodic password changes.
• Allow USB auto-detection.
• Allow default services to remain enabled.

Explanation: The basic best practices for device hardening are as follows:
Ensure physical security.
Minimize installed packages.
Disable unused services.
Use SSH and disable the root account login over SSH.
Keep the system updated.
Disable USB auto-detection.
Enforce strong passwords.
Force periodic password changes.
Keep users from re-using old passwords.
Review logs regularly.

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