"Little Brother" is an exciting science fiction book by the famous writer Cory Doctorov. This is the story of a sixteen-year-old hacker Marcus, who finds himself in the center of events after a terrorist attack in San Francisco. Defending his rights and freedoms, the main character is forced to use his IT knowledge to fight against the totalitarian regime and thus deal a major blow to the control system. The book reveals the current topics of privacy, mass surveillance and respect for personal freedom, and has long been recognized by readers and critics as an extremely interesting work that encourages a deeper understanding of modern technological challenges.