FISMA, the Federal Information Security Management Act, is a U.S. federal law found in Title III of the E-Government Act of 2002. It sets standards to ensure information security in federal agencies, focusing on maintaining confidentiality, integrity, and availability of information and systems. FISMA is essential for fostering strong cybersecurity practices across the federal government, covering aspects including risk management, security policies, controls, continuous monitoring, incident response, and reporting to enhance security measures within federal agencies.