Mark, a self-designated himself as a pizza delivery boy and is waiting outside the target company. He observed that an employee of the company is gaining security approval to enter the campus. When…

Mark, a self-designated himself as a pizza delivery boy and is waiting outside the target company. He observed that an employee of the company is gaining security approval to enter the campus. When the employee is opening the entrance door of the company, the attacker requested the employee to hold the door open for him with an excuse. In the above scenario, identify the technique used by the attacker to enter into the company?