Mantech International Corp is a provider of mission-critical national security solutions to the U.S. government defense, space, and national security agencies. While cybersecurity is its primary area of expertise, the firm also offers software development, testing and evaluation, and systems engineering solutions. Its solutions include information assurance services, computer forensics, penetration testing, intelligence collection, and an array of enterprise-level technical capabilities. The company derives revenue from fixed-price contracts and time-and-material contracts. Almost all of the firm's revenue is generated in the United States.