No chances are being taken.
Accoridng to TMZ, security detail ordered to protect her mom's house is intense. It's a gated community, and it's more secure than ever. In addition to private security and special protection vehicles, there are two cop cars are stationed on the street.
Law enforcement sources have also said that Ariana's mom, Joan, always gets extra security when her pop star daughter is in town. However, local police are more active in patrolling the area, given the current circumstances surrounding the Manchester aftermath.
Ariana will hold a benefit concert in Manchester a week from today. All proceeds will go to the family of the victims' families.