All Systems Red is a 2017 science fiction novella by American author Martha Wells. The first in a series called The Murderbot Diaries, it was published by Tor.com. The series is about an artificial construct designed as a Security Unit, which manages to override its governor unit, thus enabling it to develop independence. It calls itself Murderbot, and likes to watch unrealistic space operas. As it spends more time with some caring humans, it starts developing feelings that it does not care for.