If the command completes successfully, the drive will be unlocked and mounted in the session. Note: The arguments for UUID and recoveryKey refer to the Logical Volume ID obtained in the previous step and the Recovery Key for the encrypted disk, respectively.ĭiskutil corestorage unlockVolume UUID -passphrase recoveryKeyĦ. With the UUID, enter the following command to unlock the disk. Copy this string for use in the next step.ĥ. A few lines below this value, you’ll find the UUID. Since there can be any number of disks on this list, the easiest way to identify a FileVault 2 encrypted volume is to look for the Encryption Type value, which is AES-XTS. Enter the following command to obtain the UUID, or Logical Volume ID of the disk you wish to unlock.Ĥ. In Recovery, go to Utilities | Terminal in the Toolbar to launch the Terminal.ģ.

Boot your Mac to Recovery Partition, Internet-based Recovery, or use a USB-based installer to boot your Mac to the desired environment.Ģ. How to use Terminal in Recovery Partitionġ. SEE: A winning strategy for cybersecurity (ZDNet special report) | Download the report as a PDF (TechRepublic) 2. Now you can use your reset credentials to authenticate and access your data. Once completed, click the Reset Password button. The Reset Password overlay will appear, prompting you to enter and confirm a new password for your user account.Ħ. If successful, the key will unlock the encrypted startup disk and take you back to the login screen.ĥ. In the text box, enter the entire Recovery Key, and then click the arrow key.Ĥ. Click the ? icon to be prompted with performing a reset by using your Recovery Key. How to reset a password from the login screenĢ. By following any of the three methods below, armed with the all-powerful recovery key, you will be able to access your secured data if you (or someone you’re providing support for) are unable to authenticate. Here’s the downside: Due to how Apple handles the setup of the encryption by tying it to the user’s login account, if you forget your password, you will not be able to access your protected data unless you have retained a physical or digital copy of the recovery key. SEE: Password management policy (Tech Pro Research) It prevents unauthorized users from accessing the contents of a FileVault encrypted drive. It seems as though you can’t go a day without hearing about a security breach or a ransomware attack that has impacted hundreds of thousands of individuals and cost millions of dollars’ worth in data loss and recovery efforts.Īpple’s FileVault 2 encryption program is highly recommended as a best practice for protecting data, especially mobile users’ confidential data. Data security is at an all-time critical level.

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