Which of the following scenarios describe a potential insider threat?

$($Select all that apply$)$

An analyst makes a protected disclosure about SECRET information she's been asked to review and finds concerns about as part of her official duties.

A project manager at a cleared facility accidentally takes home a document marked Controlled Unclassified Information $($CUI$).$

An employee takes a photo at their desk and posts it to social media. Documents marked CONFIDENTIAL are visible in the photo

An engineer regularly leaves their security badge in their desk and relies on others to let him in the building.