Cybersecurity information technology (IT) is a list of rules and systems that help keep people and their computer data safe from hackers. It usually includes things like making sure all of your passwords are strong and different for each account, only downloading software from trusted websites, and keeping your computer software up to date. It also includes things like encrypting data you send online and making sure the websites you use are secure. All these steps help keep your data safe so that no one can get access to it.