An accessory for a portable electronic device having opposed front and rear device faces is disclosed. The accessory includes an attachment mechanism and a privacy shield pivotably connected to the attachment mechanism. The attachment mechanism is magnetically attachable to the rear device face. The front device face includes a device screen. The privacy shield is pivotable relative to the attachment mechanism between a mouth concealing position, and a storage position, in which the privacy shield is positioned against the attachment mechanism and overlies the rear device face.