If you’ve resisted requiring a password on your Mac after it wakes up or comes out of the screen saver because it’s too much work to enter repeatedly, an Apple Watch can make authentication much easier. In previous versions of macOS, just wearing an unlocked Apple Watch is enough to enter your Mac’s password; in Catalina, the Apple Watch can also enter your password when prompted by apps. First, make sure your Apple Watch has a passcode (in Watch > Passcode), is on your wrist, and is unlocked. Then, in System Preferences > Security & Privacy > General, select “Use your Apple Watch to unlock apps and your Mac.” From then on, most of the time your Mac or an app wants your password, your Apple Watch will provide it automatically. (This feature requires that the Mac dates from mid-2013 or later, that all devices use the same iCloud account, and that the Apple ID uses two-factor authentication instead of two-step verification.)
Accidents, particularly those involving automobiles, are all too common, and while no one plans to be in one, you can prepare for the eventuality. If you end up in a state where you can’t speak with emergency responders or are too shaken up to share your details clearly, your iPhone can provide them with essential medical information. Emergency responders are trained to know how to access these details.
Apple makes this possible via the Medical ID feature of the Health app, which you can use to record medical data and emergency contact information (this is sometimes referred to as “ICE information,” where ICE stands for “In Case of Emergency”). Once you’ve entered all this information, emergency responders can use your iPhone to learn about your medication allergies and other conditions, plus contact your family. This data could also help a Good Samaritan return a lost iPhone. (Unfortunately, the Health app isn’t available on the iPad.)
To set up or edit your Medical ID, follow these steps (in iOS 13; they’re slightly different in earlier versions of iOS):
Open the Health app and tap the Summary tab at the bottom.
Tap your profile picture in the upper-right corner.
Under Medical Details, tap Medical ID.
Tap Edit in the upper-right corner.
Make sure the Show When Locked switch is on.
Enter all the relevant details about your medical conditions, medications, allergies, and so on.
Specify one or more emergency contacts. These must be people in the Contacts app with phone numbers; if the right people aren’t there, add them first. You can’t select your own card in Contacts, so consider making one for a fake person called “If Lost, Please Call” and listing a different phone number at which you can be reached.
Hopefully, you’ll never have to use someone else’s Medical ID information, but you should know how to do so. You should also teach family, friends, and colleagues how to find and use this information. Should you come across a bicyclist who has had a bad crash or a similar situation, follow these steps:
With a locked iPhone that uses Touch ID, press the Home button to display the Passcode screen. For iPhones with Face ID, press the side button and swipe up from the bottom.
On the Passcode screen, tap Emergency in the bottom-left corner to move to the Emergency screen. If needed, call 911 from this screen by tapping Emergency Call.
Again at the bottom left, tap Medical ID to display the Medical ID screen, complete with all the details that person entered into the Health app.
From that screen, you can share the information with EMTs or other first responders so they’re aware of any serious conditions or allergies that would affect treatment. You can also call any emergency contacts listed by tapping their numbers.
Please, enter your medical and emergency contact details into the Health app right now, and spread the word to everyone you know. It could save your life, or help you save someone else’s!
One of the big no-nos with passwords is sending them to other people as plain text in email or a text message conversation. You presumably trust your recipient with the password, but what if their email was hacked or phone stolen? Instead, always use a site like 1ty.me or One-Time Secret, which lets you turn a password into a Web link that can be opened only once. Send that link to the recipient, and when they get the password out, they can store it in a secure password manager like 1Password or LastPass.