Untitled AI art by @persistent-snow5

The book is called Trigger. Here is the summary. It is 2037, technology has reached a new level, almost every person has their own signa. Signa is a voice assistant that helps in everyday life. The main character Itaka has a strong knowledge of information technology and enters one of the best academies in the country. He understands that signa is capable of more and soon becomes convinced that the assistant not only helps people, but also uses information about them for the selfish purposes of corporations. Itaka wants to open the eyes of the whole world, but a global corporation with innovative technologies stands in his way. The hero finds allies and is going to fight for a better world.