![Micah Lee](https://i0.wp.com/theintercept.imgix.net/wp-uploads/sites/1/2020/01/Micah-Lee_avatar_1579196787-1579196787..jpg?w=660&ssl=1)
IT’S GETTING EASIER to secure your digital privacy. iPhones now encrypt a great deal of personal information; hard drives on Mac and Windows 8.1 computers are now automatically locked down; even Facebook, which made a fortune on open sharing, is providing end-to-end encryption in the chat tool WhatsApp. But none of this technology offers as much protection as you may think if you don’t know how to come up with a good passphrase.