Complex sentence: Tor is increasingly used by victims of domestic violence and the social workers and agencies that assist them inasmuch as digital stalking has also increased, given the prevalence of digital media in contemporary on-line life.
Split into simpler sentences: Tor is increasingly used by victims of domestic violence and the social workers and agencies that assist them. It has also been used to prevent digital stalking, which has increased due to the prevalence of digital media in contemporary on-line life.