First you need to make sure that only Macs with complex passwords are used on the Mac without stupid and obvious hints.
Of course, guest accounts cannot be used in this case, teach all Mac users to enter a password when logging in.
1. Go to System Preferences – Users and Groups.
2. We remove protection for making changes.
3. In the Settings section sign-in disable Auto-login.
4. Disable the guest account.
The data stored on the Mac appeared smiling basic banal protection. It will not save you from an advanced hacker, but annoying colleagues, children or a computer street thief will never receive data from a computer.
Encrypt data stored on a Mac
1. Go to System Settings – Protection and Security – FileVault.
2. Unprotect to make changes.
3. Activate the option and follow the instructions of the setup wizard.
4. Choose the method of emergency reset of the encryption password: using the key or through your iCloud account.
In the first In this case, you will have to securely store this key, and in the second, you need to take care of account security and enable two-factor authentication.
Warning! If you lose your FileVault encryption key or access to your iCloud account, it will be impossible to recover the password for accessing data on the encrypted drive.
If you have several accounts on your MacBook, you will need to enter its password to enable encryption on each. Otherwise, you can encrypt data only for the current account.
Such protection will not allow even a technically advanced user or cracker to gain access to data stored on a MacBook drive.
Protecting your Mac from reinstalling the system
To ensure that your laptop turns into a set of spare parts in case of theft, you should take care of EFI partition protection.
The so-called firmware password prohibits Mac booting from any drive other than the one selected as the boot one. In addition, without entering a password, it will not be possible to start the computer in most service and special modes.
1. Restart the Mac and hold down the Command (⌘) + R key combination to boot in system recovery mode.
2. After starting the recovery system, in the menu bar, select Utilities – Firmware Password Utility (or Safe Startup Utility).
3. Click Enable firmware password and specify a new password.
4. Close the utility and restart the Mac.
Warning! This password cannot be reset using keys or iCloud accounts. It’s better to create a reminder of this password in any safe place.
You won’t need a password during normal Mac startup, but when trying to reinstall or restore the system, boot in service mode, etc. you will need to enter the installed code.
Without it and the password from the Mac user account turns into a useless piece of iron. It can be sold only to authorities and that’s not all.
Basement SC, depending from a Mac model, they can try to make a makeshift reset of the firmware password by manipulating removable RAM or soldering chips on the motherboard.
Most of these password reset methods work only on older Mac computers.
We leave a chance to return the Mac after the theft of
In order not to worry about selling a computer for spare parts, it’s easier to quickly return the Mac to the owner under the guise of a respectable person and get a reward.
The trouble is that it will be problematic to find out the owner’s contacts.
There is a way to leave a message with information directly on the macOS password entry screen.
With the help of one terminal team, you can write a whole appeal to the person who found or stolen the Mac.
Do not forget to specify phone numbers or email and remind you that you are ready to pay a fee for returning the computer to the owner.
1. Enable passwords for all accounts on Mac and turn off the guest.
2. Turn on FileVault encryption to protect all data on the computer.
3. Turn on the firmware password to protect the system from reinstalling.
4. Leave a reminder with your contact details.
Such a Mac will not be of great value to a thief, it may well be returned for a fee.