Secure Your Data on the Go:
How to Enable FileVault on Your MacBook

Published: 27th of October, 2023
Updated: 23rd of May, 2024

Imagine this: you're at a cafe, and you step away for just a moment. When you return, your MacBook is gone. Beyond the cost of the device, your personal data is now at risk. In our connected world, this scenario is all too common, but there's a built-in solution on your MacBook to mitigate this risk: FileVault. Let's delve into how FileVault can be your digital safeguard.

Understanding FileVault

FileVault is Apple's response to the need for robust encryption. It is a disk encryption program that uses XTS-AES-128 encryption with a 256-bit key to help prevent unauthorized access to the information on your startup disk. In simpler terms, it turns the data on your MacBook into an unreadable format for anyone who doesn't have the password.

Encrypting your hard drive is like adding a fortified lock to your digital files. Even if your MacBook falls into the wrong hands, your personal data remains secure and inaccessible.

Step-by-Step Guide to Enabling FileVault

Before you start, make sure your data is backed up. While enabling FileVault is generally safe, having a backup is a wise precaution. Also, ensure your MacBook is running the latest version of macOS for the best security features.

1. Open System Settings Click on the Apple menu on the top left of your screen and select 'System Settings', on older versions of macOS select 'System Preferences' instead.
2. Go to Privacy & Security Click the Privacy & Security icon, on the latest versions of macOS you can type 'Privacy' in the search bar to bring it up.
3. File Vault Under the File Vault section, click 'Turn On' or 'Enable' (depending on which version of macOS you have installed).

The encryption process can take some time, especially if you have a lot of data. Your MacBook needs to be awake and plugged in for the process to complete.

Best Practices and Tips

Strong Passwords
Your encryption is only as strong as your password. Ensure it is complex, unique, and not easily guessable.

Don't Lock Yourself Out!
During FileVault setup, you'll receive a recovery key. Store this in a secure location separate from your MacBook or make use of the iCloud backup feature. This recovery key is a failsafe that can be used to access your Macbook instead of the password. It will come in super handy if you ever forget your password.

Update your Mac
Keep your macOS updated to protect against the latest security vulnerabilities, and the get any security improvements. While rare, in the past there have been issues with the Disk Arbitration Framework (that FileVault uses) - so install updates as they become available to make sure your data stays safe.

In Summary

Enabling FileVault is a straightforward but important step to safeguard your personal information. In today's economy, where the loss or theft of devices is getting common, taking this proactive measure can give you peace of mind.

Next time I'll show you how to completely backup and restore your Mac, the usual way is by simply using Time Machine. We'll cover that, as well as a more interesting and technical way.

  ✌ Charlie