Which feature of insider threat actors makes them especially dangerous to an organization?

Answer: Unrestricted access towards sensitive data

Explanation:

Insider threat actors are the people who tend to share or pass confidential and sensitive information of an organization to other sources intentionally or unintentionally. These actors can be employee, associates of organization, former worker etc of the company.

They can share the information because of unrestricted access is provided to them for reaching the inside data. These people share the information with others by mistake, involved in cyber crime, being tricked, not working as per organization policy, leaking purposely etc.