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Questions tagged [filevault]

FileVault is a macOS feature allowing full-disk encryption using XTS-AES-128 with a 256-bit key. Older implementations encrypted the user folder only.

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1answer
376 views

OSX Partition issue

I have 399.9GB OSX partition, but the HDD is actually 1TB. If I click on the partition tool, I then have 999GB displayed (with are not in the partition) if I try to resize the volume I'm getting a ...
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1answer
1k views

Does High Sierra erase FileVault key on hibernate?

Before today, with 10.12, and now (High Sierra 10.13), I had DestroyFVKeyOnStandby 1. With 10.12, I would open the lid to my laptop after it had been hibernating for a bit, hit the power button, and I ...
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0answers
561 views

Unable to access older time machine backups after turning file vault off?

I've had FileVault turned one since I purchased my Mac. I recently turned it off and I've found that I can no longer access my older backups from when FileVault was enabled. Is there any way to gain ...
7
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1answer
21k views

How to get macOS High Sierra file vault encryption to continue/How to cancel encryption and decrypt drive?

On my MacBook Pro Mid 2015 running macOS High Sierra I was trying to encrypt it using FileVault. I can’t tell if progress is stuck or just moving very, very, very slowly What are ways I can get the ...
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5answers
12k views

How can I get files off of a Mac when the display is broken?

I need to get files off of my mac, and SSH and RDP are both disabled. My screen is broken, and my SSD is encrypted by FileVault. Now, I do have one advantage: An external monitor. However, it will ...
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1answer
3k views

FileVault Encryption Issues On High Sierra (APFS)

I've recently updated to High Sierra and am now having issues with the encryption of my SSD. When upgrading I was prompted to create a new password for my user account, the dialog saying that I ...
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1answer
10k views

Mac won't boot; get the Apple logo then it becomes a prohibitory symbol

I start up my early 2011 MacBook Pro, and it gives me the login screen, I enter my password, and then booting starts as normal, but about halfway through the progress bar, it stops booting entirely ...
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2answers
10k views

Why doesn't FileVault work on a RAID volume?

At work, I said to my colleague that it was not possible to enable Filevault on a RAID volume. He was surprised and asked me the technical reason. So I would like to know. It's strange because ...
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3answers
8k views

Filevault Stuck Optimizing

When I enabled filevault on Yosemite 10.10.5, it went through the whole process of encrypting, and then it changed to "Optimizing." It progressed to 86% and seems to be stuck there. For about 24 ...
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1answer
2k views

Upgrade to High Sierra fails leaving the Macintosh HD unbootable

I just tried to upgrade my Macbook Pro 2016 from Sierra to High Sierra, and the system hung in the upgrade process (screen was black, but keyboard backlight was still on). After I rebooted the system,...
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0answers
33 views

Users on boot screen don't refresh

I'm running macOS 10.13 on a MacBook. Users & Groups show me one Current User and a deactivated Guest User: but on the boot screen another user shows up, that I had added and removed a few weeks ...
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1answer
10k views

unable to boot my MacBook after FileVault 2 activation

after activation of FileVault 2 I am unable to boot my computer, the apple sign turns into a prohibitory sign with a spinning circle beneath it , that spins forever. I really need the data on this ...
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1answer
287 views

Is it possible to enable Legacy FileVault for a network user?

I am running Mac OS X 10.8 Server with File Sharing and Open Directory providing home directories to network users, so when users log in their home directory is automatically mounted over AFP. Is it ...
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1answer
16k views

Is there a way to recover a disk when FileVault is used?

I'm trying to restore a crashed hard drive. Using Softtote Data Recovery for Mac, I have recovered 8000+ files. I can't use any of them. Brainstorming with the user, he forgot that he has FileVault ...
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1answer
80 views

reduce passwords I must type

How can I reconfigure my MBP to require me to type username & password only once, going all the way from shut down to functional? I think industry-standard naming is confusing in this area: the ...
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1answer
2k views

Does FileVault protect against ransomware?

I've already asked a question about ransomware on OS X in general. But I failed to get a response regarding whether FileVault protects against it. That is what this question is about. I'm also ...
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1answer
7k views

Extremely slow write speed to encrypted external drive on Mavericks

Writing to a fully encrypted USB flash drive on Mavericks is extremely slow. The drive model I used for testing was a Kingston DataTraveler Ultimate 3.0 G3 (64 GB). I tested transfer speeds by ...
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1answer
4k views

How do I completely and securely wipe a FileVault (SSD) drive?

When I follow Apple's instructions for preforming a complete erase and reinstall on a FileVault 2 encrypted SSD machine, and choose a high level of security for the erase, I get an error, and the ...
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1answer
233 views

Selling old MacBook. Best way to clear HDD?

I'm selling my current MacBook (2011 MBP). Since purchase I have had FileVault enabled (Mac OS X Snow Leopard), thus making me think that I can merely clear the data and not worry about having to ...
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2answers
2k views

How can I enable Time Machine encryption on the command line?

Is is possible to enable encryption for a Time Machine target disk with a script or using the command line? Is an encrypted Time Machine disk really just the same as a normal disk, full-disk-...
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2answers
2k views

How can I get Time Machine to back up the contents of a FileVault while logged in?

Disclaimer: this question and answer are targeted to the Snow Leopard implementation of FileVault where the user home folder is only encrypted in a bundle. Lion's implementation of FileVault doesn't ...
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1answer
2k views

Filevault stuck on pause, can't reinstall macOS, can't upgrade

I've had this issue for about a year now, but never cared about it. Now I'm very motivated to fix it. :) So I wanted to enable FileVault for my system but somehow it got stuck. I'm running El Capitan ...
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1answer
64 views

Consequence of using both filevault and cloud encryption

I am using a macbook pro with filevault turned on. I am planning to start using a zero-knowledge cloud service (sync.com) for all my files, to have a secure backup and as a way to share certain files ...
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1answer
499 views

How do I perform a standard erase on MacBook Pro Retina SSD?

An archived Apple article says: "Note: With an SSD drive, Secure Erase and Erasing Free Space are not available in Disk Utility. These options are not needed for an SSD drive because a standard erase ...
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1answer
689 views

Why won't an fsck-declared-good volume mount?

I have a CoreStorage logical (virtual), encrypted volume that will not mount, even though fsck_hfs declares it clean. Does anyone know what the deal is here? Here is the drive information: /dev/...
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1answer
3k views

How can I customize the background of the FileVault login screen in 10.8? [duplicate]

I've successfully changed the background image for OS X login screen, but cannot do it for the FileVault login screen. This makes sense as the contents of the disk are still encrypted at that point ...
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0answers
296 views

Setting the default resolution/scaling of the login screen in FileVault enabled systems (macOS Sierra)

The login screen has a default scaling that is set when you boot up. Once booted though, it will adopt the scaling of whatever user was last logged in. I've heard the default scaling can be set by ...
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1answer
971 views

How to recover a corrupted external drive encrypted by FileVault?

I used Filevault to encrypt an external USB 2TB drive. Last week, I used the drive as usual, entering a password to unlock it to use. Unfortunately, it didn't dismount properly. Since then I have not ...
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1answer
5k views

How to use “diskutil corestorage revert lvuuid” on Yosemite if disk says it is not reversible?

I would like to make a partition for Linux. Here's what diskutil coreStorage list gets me (identifiers omitted): CoreStorage logical volume groups (1 found) | +-- Logical Volume Group ==========...
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1answer
1k views

Dell U3415W monitor does not wake when I power up my Mac Mini

I have a late 2014 Mac Mini connected to a 34-inch Dell U3415W display via Thunderbolt to DP. My keyboard and mouse are connected via the monitor's built-in USB hub. There are no other displays ...
3
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1answer
202 views

Does secure erase through Terminal affect old user accounts?

I had some problems with an old user account on a Macbook Pro with SSD, and I wanted to start fresh. I am not sure if I deleted the account, but I think I did reinstall the OS through I think internet ...
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2answers
786 views

What's the point of using FileVault if OSX automatically decrypts the disk?

I have an external HD I use for extra storage and it's encrypted, every time I plug it in OSX asks me for the password to be able to read and mount it. In my mind, this makes sense, the disk is ...
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1answer
605 views

FileVault personal recovery key

How is PRK generated/derived and what is being sent to Apple's servers if I choose "use this iCloud account to unlock and reset your password..." during FileVault setup? I wasn't able to find this in ...
8
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2answers
7k views

FileVault optimizing… 43 days remaining

My FileVault says that I have to wait for 43 days for it to finish optimizing something. As soon as I launch any application it stops working. So the only time that I can dedicate for the FileVault to ...
4
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1answer
1k views

How does encryption work when data is backed up to a NAS Time Machine backup?

I have a Linux machine which I'd like to use as a NAS backup, so I'm following this blog post by Sam Hewitt. My MacBook's drives are not encrypted with FileVault, and I'm on El Capitan 10.11.5. I am ...
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1answer
201 views

My Macbook’s hard drive is encrypted using FileVault 2. Will adding a new user with a different password break the encryption?

I want to add a separate account or accounts to use as chroot accounts for an FTP server, and I want to use different passwords for these accounts. I know the AES-128 key used by FileVault is ...
2
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2answers
463 views

What is the reason the iPhone wipes after a couple of failed password entries? [closed]

My mac has a feature called FileVault. In theory - if you don't have the password, you can't get access to the files. (Encryption). To me - this feature should be sufficient on the iPhone to not ...
2
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1answer
107 views

Can FileVault protected data be accessed if the hard drive has been NON securely wiped?

I had my hard drive protected by FileVault before I started having major software issues. I have plenty of Time Machine backups so I wiped the hard drive using the disk utility in recovery mode. ...
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0answers
263 views

Reinstalling macOS Sierra

My MacBook won't boot. I did some research online and I realized that this is a common bug. It seems that sometimes the OS starts with a blank screen. I have tried all sorts of troubleshooting but it ...
1
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1answer
67 views

Why are some users visible with encrypted system partition on macOS Sierra?

I performed a fresh install of macOS Sierra onto a 2012 MBP13 non-Retina SSD. The install was from a USB flashdrive installer, and I set up the system drive partitions manually with a case-sensitive ...
3
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3answers
949 views

Is my Time Machine backup encrypted or not?

As you can see, I use Time Machine to backup on drive "Data" on "ZRH" which is a Time Capsule. To the best of my knowledge, I selected "Encrypt backups" when I configured this backup a few weeks ago. ...
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2answers
2k views

How (in)vulnerable is OS X to encryption ransomware?

These days, malicious software seems to be infecting Windows computers, encrypting their data against their will, and asking for a Bitcoin ransom in exchange for the encryption key. In order for such ...
3
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2answers
1k views

Which FileVault 2 recovery option is more secure - storing the recovery key in iCloud, or saving it somewhere yourself?

When setting up FileVault 2 on a computer, you're presented with 2 recovery options - storing the recovery key with your iCloud account / Apple ID, and displaying the recovery key (for you to write ...
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0answers
166 views

FileVault and other user accounts; repair

Suppose I have some moderately sensitive stuff in my user account on a broken Mac. Now bringing it to Apple for repair. (macOS 10.12.4 if that matters) Apple's advice is: OK, but is that enough? ...
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1answer
809 views

How to enable FileVault after upgrading SSD on a MacBook Pro with no Recovery Partition

I have been using a 1 TB SSD with my 17" MacBook Pro Early 2011. With the recent availability of 2 TB SSD's, I wanted to upgrade to the larger size. I have upgraded my HD several times since I ...
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2answers
16k views

FileVault blocking macOS Sierra upgrading process from OS X El Capitain

I was going to upgrade to new macOS Sierra on my MacBook Air but there's a FileVault process that is encrypting all the files that doesn't allow the installation of the new OS. In the window appears a ...
9
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2answers
1k views

When does encryption actually happen in MacOS/OS X encrypted volumes?

I've noticed a sort-of lazy/post encryption strategy in MacOS/OS X with FileVault enabled and in encrypted Time Machine backups, and I'm curious when actual encryption happens. When I copy videos ...
11
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3answers
10k views

How do I update the FileVault 2 recovery key stored in iCloud?

It's been a long saga getting to the point where I am comfortable that my new Macbook Pro has FileVault 2 enabled properly on Yosemite. I ran into the "Encryption paused - connect power adapter" ...
2
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0answers
81 views

Is it safe to leave encrypted (FileVault) macOS as is when leaving a company?

Last day at work. I have a Mac Mini with Sierra on board. FileVault is turned on. Disk is fully encrypted and the OS is not linked to AppleID. Just a local user account. Assuming that only I know ...
4
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2answers
908 views

Is there any way to disable auto-shutdown from login screen when no user is logged in?

A couple months ago when speaking to an Apple advisor about an unrelated issue, they told me the auto-shutdown was a "security feature". I think I may remember something about it only happening when ...