Provided is an image forming apparatus including a display, an authenticator, an image former, a detector, and one or more controllers. The authenticator authenticates a user's login to the image forming apparatus. The image former forms an image based on a job for which an execution instruction has been inputted by the user. The detector performs virus detection at execution of the job. The one or more controllers control display of notification information that notifies a detection of a virus. The one or more controllers control the display of the notification information depending on the user's login status on the image forming apparatus at the time of the detection of a virus.