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220-1102 · Question #396

A company recently experienced a security incident in which a USB drive containing malicious software was able to covertly install malware on a workstation. Which of the following actions should be ta

The correct answer is E. Disable AutoRun. G. Restrict user permissions.. To prevent malware installation from USB drives, disable AutoRun to stop automatic execution and restrict user permissions to prevent unauthorized software installation.

Security

Question

A company recently experienced a security incident in which a USB drive containing malicious software was able to covertly install malware on a workstation. Which of the following actions should be taken to prevent this incident from happening again? (Choose two.)

Options

  • AInstall a host-based IDS.
  • BRestrict log-ln times.
  • CEnable a BIOS password.
  • DUpdate the password complexity.
  • EDisable AutoRun.
  • FUpdate the antivirus definitions.
  • GRestrict user permissions.

How the community answered

(36 responses)
  • A
    3% (1)
  • B
    3% (1)
  • D
    6% (2)
  • E
    78% (28)
  • F
    11% (4)

Why each option

To prevent malware installation from USB drives, disable AutoRun to stop automatic execution and restrict user permissions to prevent unauthorized software installation.

AInstall a host-based IDS.

Installing a host-based IDS (HIDS) is a detection mechanism, not a preventative one for the initial infection vector described.

BRestrict log-ln times.

Restricting log-in times controls when users can access the system but does not prevent malware installation from a USB drive when they are logged in.

CEnable a BIOS password.

Enabling a BIOS password secures access to the BIOS/UEFI settings but does not prevent malware from running once the operating system has loaded.

DUpdate the password complexity.

Updating password complexity strengthens user authentication but does not prevent malware from being introduced or installed via a USB drive.

EDisable AutoRun.Correct

Disabling AutoRun (or AutoPlay) functionality prevents executable files or scripts on a USB drive from launching automatically when the device is connected, thereby stopping a common vector for malware execution.

FUpdate the antivirus definitions.

Updating antivirus definitions helps detect known malware but doesn't prevent the initial execution or installation if the malware is new or sophisticated enough to evade detection.

GRestrict user permissions.Correct

Restricting user permissions, such as running user accounts with standard privileges instead of administrative rights, prevents users from installing unauthorized software or making system-wide changes, significantly limiting the impact of malware introduced via USB.

Concept tested: USB security and malware prevention

Source: https://learn.microsoft.com/en-us/windows/client-management/group-policy-settings-for-autoplay

Topics

#USB security#Malware prevention#Least privilege#AutoRun

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