Kōsuke Kōsaka is a fictional character from the anime and manga series Kōkaku Kidōtai: Stand Alone Complex. He is a skilled hacker and a member of the elite police unit known as the Public Security Section 9. Kōsuke is known for his intelligence and technical expertise, often assisting his team in cyber operations. In the series, Kōsuke is portrayed as a calm and collected individual, with a strong sense of justice. His character adds depth to the narrative, showcasing the importance of technology in modern law enforcement. He often collaborates with other key characters, including Major Motoko Kusanagi and Batou.