Since aggressive cat behavior can be caused by either emotional or medical problems, you should make sure you have a chat with your veterinarian if this is an issue in your house. (cat-lovers-only.com)
However, we understand that supervisors must protect staff, volunteers, and potential adopters from aggressive cats while they are on the premises. (aspcapro.org)
The consequences of aggressive behavior in cats can be significant, ranging from injuries to other cats and people to the surrender of aggressive cats to shelters. (www2.vet.cornell.edu)