Apple's trademark for features of the Mac OS X operating system involving encrypting computer data for security purposes

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Partition type suddenly FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF, drive unmountable

I have two drives inside my MBP, an SSD for the OS and the original HDD for large Data. The HDD has 3 Partitions: My Data (Core Storage volume) 20Gb for Linux 4Gb for Linux Swap Recently I ran ...
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30 views

Permanently Decrypt non-CoreStorage Partition Encrypted with FileVault

I am asking this on the behalf of someone who did not want to sign up for the SE network. I will use first-person for simplicity. When I bought my computer, it came with FileVault enabled as default. ...
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14 views

How can I make a secondary encrypted volume open during the boot process?

When booting off a FileVault encrypted volume, OSX is capable of accessing the volume for the boot process once the user has entered their password at FileVault prompt. I want to configure my system ...
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15 views

Difference between FileVault and setting a partition format to Mac OS (Journaled, Encrypted)

Since I have multiple partitions (some for Linux and some for Mac OS) I can't enable File Vault. It somehow complains that it can't do the encryption, given that there are other partitions. Now what ...
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1answer
32 views

Is it possible to encrypt a hard drive that is dual booting ubuntu using rEFInd?

I recently installed ubuntu on my macbook pro. I am using rEFInd to dual boot ubuntu. Following the installation, I tried to encrypt my Macintosh HD partition by first converting the disk to core ...
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11 views

FileVault won't login

The login password is entered correctly. The progress bar starts to load and gets all the way to the end, but nothing happens. I did not turn on FileVault, just turned on my MacBook one day and this ...
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12 views

ARD not seeing FileVault enabled Mac?

I just started encrypting my users Macs and i'm noticing that i can no longer see them remotely using ARD if they are at the log in screen. Is there a way to allow ARD to see and control them? ...
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20 views

Do you enter the dashes (-) when providing a FileVault recovery key?

I have a mid-2012 Apple MacPro tower running OS X 10.11.4. The machine will not accept my recovery key when attempting to unlock a FileVault-secured partition on the machine.. I've tried to enter ...
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60 views

Beachball of death, login screen and kernel_task issues

I have an issue with a 2 week old MBP 13 (early 2015). Here is 3 things I'm worrying about: Beachball of death. It is appeared 2 or 3 times (once when Chrome and Atom were open and once after 10 ...
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2answers
32 views

Always ask for password when mounting encrypted partition

I have an external disk with partitions A and B. B is an encrypted HFS volume with as password. (Presented as "Apple_CoreStorage" or "Logical Volume OS X Extended"). When I connect the drive, OS X ...
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1answer
117 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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12 views

Activity Monitor doesn't show which individual process is reading/writing FileVault activity

Activity Monitor shows the aggregate data read/written during FileVault encryption. Data read: 140.59 GB Data written: 218.18 GB But there is no individual process that is reading/writing nearly ...
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37 views

howto encrypt “WD My Passport Pro” online? support.wdc.com with dangerous solution (no security)

I wish to encrypt my WD My Passport Pro drive. I receive error With Google I found An error message occurs when attempting to create an encrypted backup on a My Book Thunderbolt Duo in the Mac ...
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1answer
150 views

How does Find My Mac work exactly?

My Macbook Pro 13 (2015) was recently stolen. I activated FMM about an hour after the event and two hours later received an update that the machine was erased. Questions: 1) What does this mean ...
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1answer
32 views

How to check encryption status (completeness) of an external disk? [duplicate]

When I click on an external USB disk in Finder's Sidebar it shows it is still encrypting (which is expected): diskutil shows only Encrypted: Yes in CLI and GUI. Is there any way to check the ...
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120 views

Missing space in OS X El Capitan after removing a failed Boot Camp partition

I'm trying to help my girlfriend after a failed Boot Camp partition removed approx. 100 GB of visible space from her OS X volume. The main volume is encrypted with FileVault2. Partition table: ...
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1answer
281 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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1answer
31 views

10.11: Good Samaritan message not showing on Filevault2 unlock screen

You can set up a lock Message under System Preferences => Security & Privacy => General => Set Lock Message. This Message is stored in NVRAM. Under 10.9 Mavericks it was not only shown on ...
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1answer
194 views

Encrypt FAT USB drive under El Capitan (10.11)

I have a USB drive I would like to encrypt. It's formatted in FAT (for use with Mac & Win) and I can't seem to find a way to encrypt it as: FileVault doesn't encrypt FAT. TrueCrypt can be ...
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1answer
30 views

Is there a limit on logical volume size for FileVault?

I'm curious about (and was unable to find documentation for) any size limits for FileVault in OSX (10.9.5 Server). I'm concerned about any sort of corruption/instability that could occur after ...
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30 views

Can a Standard User format an encrypted drive?

I have recently partitioned my drive into a trap OS. If my Macbook is stolen I want to give the users access to use the device to increase the chances they will connect it to the internet and I can ...
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2answers
60 views

Recovering a Password on FileVault2 Encrypted Mac

I changed my admin (login) password on my Macbook Air and subsequently forgot it. The disk is encrypted using FileVault 2. And the resetpassword command in the terminal did not show any disks ...
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2answers
175 views

Encrypt External Hard Drive for Mac and Linux

I have an external hard drive that I backup with Time Machine. I'm trying to determine the best way (or if it's even possible) to encrypt it so that Time Machine can still back it up and it can be ...
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1answer
42 views

Does using Sleep with FileVault negate some benefits of FileVault?

As I understand it, FileVault makes you login before you computer boots to the OS in order to unlock the drive. This means someone getting ahold of your laptop when it is off cannot get at the data. ...
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97 views

Why wouldn't even Internet Recovery work?

I encountered a really vexing problem with my MacBook Pro 15” (mid-2015, 2.5 Ghz, 1 TB flash) last week after it returned from Apple’s repair depot for a logic board replacement. I had FileVault2 ...
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16 views

I have the password but can't recover data from my encrypted filevault USB drive

I can open the drive and see the top level folders. Sometimes I can see file names, sometimes I can't. If I attempt to remove the encryption I get an error message. It's the same from the Finder or ...
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1answer
37 views

How secure are files on an unencrypted hard disc?

How secure are files, that I saved on an internal Macbook hard disc using OSX 10.11? I cannot check whether the hard drive is encrypted using FileVault as the machine crashed. I am thinking whether I ...
5
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1answer
196 views

How has it suddenly become so much faster to wake OS X from “safe sleep”?

Because I'm super paranoid about security, I configure my MacBook to always "safe sleep" and destroy its FileVault key on entering standby: $ sudo pmset -a hibernatemode 25 DestroyFVKeyOnStandby 1 ...
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99 views

Filevault makes my external HD inaccessible on OS X but still works on Ubuntu

I'm running OS X El Capitan 10.11.3 I have an external drive with 2 partitions. 1 partition is for Time Machine while the other is for storing my data (Volume name is Data). So a few days ago I ...
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2answers
96 views

how safe is an HDD encrypted with filevault?

I have a macbook pro and I want to encrypt the whole system with filevault. My question is now, how secure are my data for removing hard disk from device and mount it in an external case? For ...
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55 views

How to perform FileVault authenticated restart when updating OSX from AppStore?

I am aware of the authenticated restart when using FileVault 2 on OS X. Running the fdesetup authrestart command does however restart the system immediately. Now, when running the OS X Update from ...
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1answer
993 views

Where does OS X keep the FileVault password during reboots in an upgrade?

For security concerns, I wonder how it would be possible for an OS X upgrade (e.g. from Mavericks to El Capitan), to reboot my Mac multiple times without asking me for my FileVault 2 password? I ...
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11 views

FileVault account sticking around after account deletion

I have file vault encryption turned on. I created a second administration account on my computer and on boot up my main account stopped showing up (before most of the OS has booted and it's asking for ...
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42 views

My Apple Magic Mouse never works on login screen when no one is logged in (first time I turn on my MBP)

as described in the title: My Magic Mouse works perfectly when: At least one person will log in At login screen but only when someone is still logged in (When I'll press Control ⌃ + Shift ⇧ + Eject ...
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1answer
578 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 ...
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1answer
79 views

Lost hard drive space to Boot Camp

Boot Camp caused ~200 GB of my 750 GB HD to disappear and I cannot re(un)-partition it through Disk Utility and when I try to reformat the storage through the terminal using: diskutil cs resizeVolume ...
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1answer
98 views

Can I enable FileVault and then partition my hard drive later?

I just bought a 2014 MacBook Pro with a 512GB SSD. I updated to El Capitan today and when it booted up for the first time, it asked me if I wanted to enable FileVault. I chose not to because I wasn't ...
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1answer
40 views

How to create a new partition on FileVault disk on MacOS

I have a 500GB disk on MacOS encrypted with FileVault 2. I have successfully resized the disk to 250GB. Now I want to create another partition to install another MacOS on the 250GB free-space of the ...
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2answers
159 views

Does FileVault 2 encrypt keys in sleep mode?

I have an early 2015 13" MacBook Pro running OS X 10.11.2 and I'm considering enabling FileVault 2. I realize that the disk is always encrypted, even when the machine is in use and only parts of it ...
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1answer
90 views

FileVault: How come a new user can log in without disk password?

I thought I had enabled full volume encryption on my OS X 10.9.5 MBP. Then I created a new user and when rebooting, this new user is able to log in without knowing the password for the disk. The ...
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1answer
69 views

Selling old MacBook. Best way to clear HDD?

I'm selling my current MacBook (2011 MPB). 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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1answer
159 views

Decrypt an external hardrive FileVault

Recently, I had an accident with my Macbook Pro. I dropped water on it and the motherboard is now dead, which means my Macbook Pro is also dead. Hopefully, the hard drive isn't damaged. When I plugged ...
3
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1answer
300 views

I erased the partition where Windows 10 was previously installed. How can I merge it with my OS X partition?

So I started up Disk Utility and erased my BOOTCAMP partition and set the format to OS X Extended (Journaled). This is how my partitions look like now: As you can see, I have a BOOTCAMP partition ...
2
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1answer
247 views

Why is the “Encrypted” format not available in the list when erasing a USB flash chip in Disk Utility?

It shows up for normal, external hard disk drives. Is there a way I can force it to encrypt? The installed OS X is El Capitan.
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2answers
840 views

How to disable the Guest account on OS X El Capitan

About a couple of weeks ago, the Guest user account was automatically enabled on my Mac running OS X El Capitan (by itself, without me enabling it). Now, whenever I start my Mac, I am greeted with a ...
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70 views

White font on grey pre-boot login screen in Yosemite

I am using OS X 10.10.5 with Filevault2 enabled. Since recently the pre-boot login screen has a white font, as opposed to the black one I had before. Since I use a non-retina Macbook (MBP mid 2012), ...
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1answer
32 views

Encrypt home directory only

I have a shared computer that is primarily for my use, but occasionally when I'm out of the office others would like to use it. These others require Administrator access to be able to install ...
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2answers
730 views

Is there a way to encrypt data on iCloud?

I currently use Backblaze for online backup. I am thinking of switching to just storing all my documents on my iCloud drive. With Backblaze, you can set an encryption key. Without this key no one ...
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2answers
286 views

Auto login with FileVault in El Captain

When using File Vault on El Capitan, is there any way to disable the Auto Login, so when you start up it loads straight away without needing a password. If not, then is possible to set it so when you ...
2
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2answers
331 views

Headless Mac mini: Share Screen + FileVault

At the office we have a Mac mini that will be used to run a Teamcity agent. It is a requirement from our security department that we enable FileVault on this machine. I will also need to manage ...