Angela Bennett is the main protagonist of 1995's The Net and the 1997 series of the same name. In the movie she is played by Sandra Bullock and in the series she is played by Brooke Langton.
In the movie Angela Bennett is a top systems analyst from Venice, California who telecommutes to Cathedral Software in San Francisco. Her interpersonal relationships are completely online and on the phone, limiting interactions with neighbors and her mother, who is institutionalized with Alzheimer's disease.
One day she receives a program one of her colleagues from Cathedral sent to her and begins to discover a conspiracy that tries to take over the country by using cyberterrorism. She has to expose it, because now the conspirators are after her and have every bit of her data erased her from the computers in order to make it possible.
If she doesn´t, she will die like her colleague.
In time she discovers, that the conspirators are the Pretorians, who also killed the Secretary of Defence Michael Bergsrom through cyberterrorism, because he had become an obstacle to their plans. The program was a tool of the pretorians in order to enable this death.
She manages to expose the conspiracy and the Pretorians end up defeated, while she recovers her life.