Describes any technology that helps to produce, manipulate, store, communicate and/or disseminate information,

Malware, not sure what else would fit that description.

Because they try steel information eg: bank cards,locations,data they also can look through your webcam

Placeholders  are the containers in  layouts  that hold such content as  text  (including body  text, bulleted lists, and titles),  tables,  charts, smartart graphics, movies, sounds, pictures, and clip art.  slide layouts  also contain the theme (colors, fonts, effects, and the background) of a  slide.