DHS stated that extremists were finding methods to bring down planes.
Bombs could be hidden in laptops, tablets, cameras, DVD players and electronic games, etc, it said.
Nine different types of airlines and 10 different airports are affected from this ban.
US officials have given the airlines 96 hours, beginning at 07:00 GMT on Tuesday, to ban devices that are bigger than mobile phones from the cabins. They said the ban has no end date.