Doing so also prevents third-party apps from accessing your drive without your consent.ĪPFS Encrypted and FileVault are two different encryption features on Mac with close connections. Suppose you turn on FileVault after formatting your startup disk as APFS. In that case, it changes the startup volume groups Macintosh HD and Macintosh HD - Data into APFS (Encrypted) but leaves other non-startup volumes intact. ![]() That's why users may mistakenly consider APFS Encrypted the same as FileVault.įileVault protects data on your startup disk from being extractable when your Mac's powered down and in sleep mode by requiring your login password to decrypt the data. Should you use APFS Encrypted with FileVault enabled on T2/M1 Mac? Nevertheless, drives formatted as APFS Encrypted require another password to access the drive's content after logging into the system. Regardless of whether your Mac has a T2 or M1 chip or not, you should use APFS Encrypted and FileVault to ensure maximum security if necessary. They are not redundant with the full disk encryption the T2 or M1 chip offers. Solely having the hardware encryption prevents others from taking out your hard drive (if possible) and mounting it on another Mac to access data, as the T2 or M1 chip is mandatory to decrypt the drive. Nonetheless, since the T2/M1 decryption kicks in as soon as your Mac boots to the login screen, there's a possibility that a malicious party may access data from the mounted and running drive. ![]() Enabling FileVault, however, will keep your disk's content encrypted until the login password of any account allowed to use FileVault is entered. Note that turning FileVault on for the first time may take some time depending on the amount of data you have if you are using a non-T2/M1 Mac. But it won't take a minute if you have a T2 or M1 Mac, which has a dedicated AES hardware engine powering line-speed encryption with FileVault. After all, the chip has already encrypted the drive.
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