Little Brother

by Cory Doctorow

"Little Brother" by Cory Doctorow is a novel published in 2008. When a terrorist attack strikes San Francisco, four teenagers find themselves detained by the Department of Homeland Security. Released but under surveillance, seventeen-year-old hacker Marcus Yallow refuses to accept the government's erosion of civil liberties. He creates Xnet, a secret network to fight back against the surveillance state, transforming from suspect to resistance leader in a battle over freedom and security.