The United States government says it will pay up to $10 million for information on criminal activity over computer networks against important U.S. infrastructure.Cyber criminals often take advantage of openings in security to take control of computer systems.This is known as a ransom. The U.S. government believes these criminals do their work without fear of arrest in Russia and several other countries.People can now send information, known as a tip, about criminals to the U.S. government.They can send tips without giving their name through a form on the part of the internet known as the dark web.Sometimes the U.S. government is the target of a cyberattack, but other times, private companies that are important to the U.S. economy are victims as well.