Which of the following should be used to prevent changes to system-level data?

An attacker defaces a company's website and refuses to relinquish control until the company removes specific harmful chemicals from its products. Which of the following best describes this type of threat actor?

Remote users report that they are unable to log in to the VPN. The help desk confirms that each employee has a stable internet connection and correct permissions for VPN use but also identifies similar login errors for all affected users. Which of the following types of attacks most likely occurred?

A remote employee navigates to a shopping website on their company-owned computer. The employee clicks a link that contains a malicious file. Which of the following would prevent this file from downloading?

A company hired an external consultant to assist with required system upgrades to a critical business application. A systems administrator needs to secure the consultant's access without sharing passwords to critical systems. Which of the following solutions should most likely be utilized?