Humans can be completely erased from reality with just a few simple clicks. The ethical issue of this movie is that of privacy. Angela Bennett has every possible means of identification taken away from her. Her privacy that she once had has totally been invaded. In the end, Angela was able to hack into the software and correct the changes that needed to be made and her old life was back.
Technology has imperfections that can cause great damage.
There need to be more laws and security measures in effect so that something such as this could not possibly happen.