Backing up your data is one of the most essential security tasks you can do. Because of the many ways you can lose data, having multiple backups is the only way to ensure that if anything happens – such as disk failure, a lost or stolen computer, or malware deleting files – you can restore your important data quickly.
There are many strategies for backing up your Mac, and using multiple backups is one of the keys to protecting your data. You can back up your Mac to any of several types of local hard drives, to a network device, and you can use online backup services.
In this article, I’m going to explain how Time Machine works, and how you can use it to back up your Mac.
Read the rest of the article on The Mac Security Blog.