Which of the following best describes insider threats?

Insider threats are best described as any harmful actions or risks that originate from within an organization, which encompasses both malicious acts and unintentional errors by employees. These threats can manifest in various ways, including deliberate sabotage, theft, or disclosure of sensitive information by individuals who have authorized access to that information.

Malicious acts from individuals within an organization are a clear expression of insider threats, as these actions arise from someone who is trusted by the organization. Unintentional errors made by employees also contribute to the landscape of insider threats, as accidental actions can lead to data breaches or compromises without any malicious intent involved.

By including attacks from external sources, while relevant to the broader context of cybersecurity, does not directly align with the definition of insider threats, which specifically focus on internal vulnerabilities and risks. Therefore, the most comprehensive answer would encompass all these aspects, highlighting that insider threats can stem from both intentional and unintentional behaviors of individuals already within the organization.