Privacy software is a type of computer program that helps you keep your personal information and data safe. It does this by blocking or hiding your information from other people or programs. For example, it can help keep your passwords, documents, and photos private so that only you can access them. It does this by encrypting or hiding your information, which means it changes the way it looks so no one else can understand it. It also helps stop other people from getting into your computer or device and from seeing your information.