National Security Telecommunications and Information Systems Security Instruction (NSTISSI)

The National Security Telecommunications and Information Systems Security Instruction (NSTISSI) is a guideline that establishes standards and practices to protect sensitive government communications and information systems. It ensures that these systems are secure from unauthorized access and cyber threats. This instruction covers aspects like encryption, system integrity, and user access controls, helping to maintain national security and safeguard critical information. By adhering to NSTISSI, government agencies aim to create a reliable and secure environment for handling classified data and communicating vital information.