Iso/Iec 27002 is a set of guidelines for keeping information secure. It helps businesses, organizations, and individuals make sure that their computers, networks, and other devices are secure and private. It gives tips on how to make sure that only the people who need to access information can get to it, and how to protect it if someone gets into it without permission. For example, it suggests having strong passwords and requiring people to authenticate themselves before getting into a system. It also suggests making sure that hardware and software are up-to-date and secure, and making sure that backup copies of data are kept safe.