the process of converting information using an algorithm (or cipher) to render the information unreadable to anyone who doesn't have the algorithm (also known as a key)

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105 views

How do I enable A5/3 cellular encryption on an iPhone or iPad?

I want to only connect to A5/3 networks to prevent MITM attacks on my cellular data. I'm not concerned if the attacker is the mobile operator themselves.. (assuming that mobile operator can't be ...
0
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2answers
2k views

Is it safe to eject my timemachine backup whilst its decrypting?

I encrypted my Time Machine backup (A Western Digital 2tb external drive) then realised that Airport wont mount the backup over wifi, so am currently decrypting the drive (via Disk Utility). I found ...
0
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2answers
161 views

FusionDrive + Encrypted CoreStorage Volume - Problems writing to volume

Has anyone had experience with encrypted (home made!) FusionDrive volumes and intermittent failure of writes to this disk? I'm on a Late 2011 MBP 13" with (currently) 4 GB RAM, a 128 GB SSD and a 750 ...
2
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3answers
363 views

How can I get Apple mail or Outlook 2011 to look up SMIME encryption certificates for users?

I want the ability to lookup an encryption certificate for SMIME in Outlook for recipients who have SMIME certs, but I just don't have their public key. I noticed the keychain has a directory ...
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0answers
307 views

Timemachine backups on encrypted volume: What does 'decrypting' message mean?

I backup files on an encrypted volume with Timemachine (external disk, USB). The backup itself is not additionally encrypted. I noticed little message infos in the GUI window about "decrypting the ...
5
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2answers
687 views

GUI PGP / GnuPG application

I encrypt all of my documents before storing them in the cloud with GnuPG. My wife needs access to the documents, but running gpg -d foo.pdf.gpg at the command line is annoying to her. Does anyone ...
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2answers
14k views

Create backup iPhone with forgotten encryption password

I'm trying to make a backup from my iPhone, however it's set to be password protected. I do now know the password, as I've never set one. I've tried all the passwords I know, which I've ever used to ...
2
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1answer
1k views

Cannot decrypt GPG file after installing GPG Suite from GPG Tools

I have installed GPG Suite by GPG Tools on my Mac. I sent my public key to my associate, who encrypted a file and sent it to me. The file, myfile.gpg is now sitting on my desktop and I'm told by my ...
6
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1answer
4k views

Truecrypt error: the OSXFUSE file system is not available (255)

My truecrypt files were mounting fine until today when I tried to mount it and I got the error: the OSXFUSE file system is not available (255). The weird thing is I honestly don't know what I could ...
3
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1answer
3k views

“Encrypt backups” disabled for Time Machine on Mavericks; due to partition?

I picked up an external hard drive a while back and have been using it for Time Machine back-ups. Recently I thought to confirm that the disk is encrypted so that it won't be useful if someone nicks ...
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3answers
186 views

Is there anything missing in an encrypted iPhone backup?

As far as I understand iOS Security, Oct. 12, an encrypted backup via iTunes also backs up the keychain of the device. While I recognize that some elements might not be restorable onto a different ...
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1answer
1k views

Is it possible to reset FileVault password in recovery mode?

I have problems with my startup volume, and it's encrypted with FileVault. I don't remember the pasword, but have the recovery key. Is it possible to reset the password?
2
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1answer
1k views

Explanation for Ridiculously Slow Copy Speed

I am backing up data files from one encrypted image to another. They're text files ranging in size from a few hundred kilobytes to a few megabytes. The process has become excruciatingly slow and is ...
2
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0answers
696 views

Locked Hard Drive

For some reason a recent reboot resulted in a startup screen with a circle with a slash icon instead of the regular Apple icon. What I tried: Using internet Recovery I used disk utility to fix ...
13
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4answers
5k views

How is the System Keychain secured in OS X?

I'm looking for something either like this security white paper for iOS except for OS X or even better, some kind of security audit report from an independent expert. After reading through ...
21
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5answers
13k views

Email encryption options on an iPhone

I've started taking security more seriously lately. (Why only now you may ask? Because I'm a trusting fool that's why.) I've now got emails signing automatically and encrypting where I have their key. ...
12
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4answers
7k views

Is a hardware-based full disk encryption possible on a Mac?

Is it possible to use hardware-based full disk encryption (perhaps on a Samsung 840 Pro SSD) on a Mac, specifically a Macbook Pro 8,2? If so, how? My understanding is that this will be handled in the ...
0
votes
1answer
166 views

Restore FileVault recovery key

I want to mount my (non-bootable) firevault encrypted drive on linux. I know the user-facing password to decrypt it, but not the recovery key. From what I've read, I assume that the recovery key is ...
2
votes
1answer
65 views

Secure access to data while retaining convenience and performance

I am looking for a convenient solution to the following problem: I have some large data (tens of GB) that resides on the hard drive of a Mac. Access to the data needs to be restricted so even users ...
13
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2answers
702 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/using the command line? Is an encrypted Time Machine disk really just the same as a normal disk, full-disk-encrypted ...
0
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2answers
449 views

Can a FileVault-encrypted partition be accessed using a password I supplied during OS X install?

I have a MacBook (Retina, Mid 2012 if it's relevant) which I installed Mountain Lion onto, creating one user account only (an Admin account). There is a Guest User, marked for "Sharing Only". The hard ...
3
votes
1answer
7k views

Time Machine drive encryption going for 22 hours. Is it stalled?

I set up Time Machine in Mountain Lion by plugging in a newly formatted 500GB USB drive, selecting that from the Time Machine dialog, and checking the box to encrypt my backups. A window appeared that ...
4
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1answer
3k views

How do I erase an encrypted TimeMachine drive on Mountain Lion if I've forgotten the password?

My question is similar to this question. I have a USB drive that contains an old encrypted backup. I don't remember the password and don't care about loosing the backup - I just want to be able to use ...
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1answer
1k views

What's the difference between enabling Time Machine's “Encrypt Backups” option, and encrypting my disk from Disk Utility?

I'm setting up Time Machine backups on a new external hard disk. I chose to first encrypt the disk via Disk Utility: But I also see these options: Is there any difference between an "Encrypted" ...
3
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2answers
3k views

Encryption on USB - Mac & Windows partitions

I have a 64GB USB stick which I want to use on both my (Mountain Lion) iMac and my (work) Windows 7 laptop. I don't want to or need to share files across platforms and require the following ...
1
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1answer
106 views

Encrypt TimeMachine backups or rely on hardware encryption?

I'm thinking of purchasing a portable disk drive that supports hardware encryption (most of them seem to do these days). However, if I'm using such a drive can should I still encrypt my TimeMachine ...
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1answer
876 views

Are the files in an encrypted dmg actually in plain text on the hard disk

It seems standard to use Disk Utility to create an encrypted disk image. I would like to know how secure this is. I can imagine that the "encrypted" files are not really encrypted at all, and continue ...
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0answers
268 views

Can't encrypt external hard drive

I'm trying to encrypt an external drive of mine using Apple's built in drive encryption tool into OS X through Finder. The drive is formatted as Mac OS Extended(Journaled) and I'm plugging the drive ...
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0answers
272 views

S/MIME Self-signed certificate problem on iOS

I am using S/MIME self-signed certificates for email encryption across iOS and OS X. Creating the certificates and installing them (including the CA) worked perfectly. Also using them on OS X worked ...
1
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1answer
294 views

Copy/Migrate FileVault 2 encrypted hard drive

I'm running OS X Mavericks and have the entire hard drive encrypted with FileVault 2. I intend to upgrade to a larger hard drive (actually an SSD). In the past when not using FileVault, I used Carbon ...
3
votes
1answer
220 views

How to set up ZEVO / ZFS on an internal disk while maintaining full disk encryption?

It seems that it's currently impossible to have the entire boot drive converted to ZFS. How would one go about converting a single disk HFS+ Filevault 2 setup into a setup which has full encryption ...
5
votes
3answers
350 views

Encrypting sensitive data on Mac + Windows

I've been a long-time Windows user, using a utility called AxCrypt to encrypt sensitive documents which holded sensitive info (bank passwords, credit card numbers, etc). I had an encrypted Excel ...
2
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2answers
223 views

OpenPGP encryption of mails in Mountain Lion

I've been trying to find out any way to OpenPGP encrypt mails while sending from Apple Mail or any other email app in Mountain Lion. GPGTools' GPGMail is not yet ready for Mountain Lion. MailMate ...
9
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1answer
3k views

How can ZFS be used with encryption on OS X?

Ideals: protection of home directories should be better than in Lion (for multiple administrators: FileVault 2 alone is less secure than FileVault 1) resizing a file system should be simple and ...
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0answers
94 views

Automounting & fix permissions for home folder on encrypted sparse bundle?

For security on a shared machine, I've moved my entire home folder to an encrypted sparse bundle disk image. I then set my User settings home folder to the image. But along the way, I believe ...
2
votes
1answer
97 views

How can I wipe an encrypted volume when the password is forgotten?

I have encrypted disk volume that is in the way and the passphrase is gone. How can I erase the contents and reuse the disk space?
5
votes
3answers
1k views

How to send S/MIME encrypted mails from iOS with attachment?

I can only send encrypted mails if I start the mail app directly. But if I try to send a mail from the image gallery, the mails are neither signed nor encrypted (and I can't find a way to enable ...
6
votes
1answer
214 views

Verify Time Machine Encryption from the Command-Line?

Is it possible to verify whether a given Time Machine volume (for example, returned by tmutil machinedirectory) has encryption turned on? This is for regulatory compliance, so it needs to be fully ...
4
votes
1answer
539 views

How to set up encrypted Time Machine backups to a remote drive?

I have an external drive which I used to do encrypted TM backups to, via a direct USB connection (i.e. the entire drive became encrypted - Lion). I would like to switch to wireless backups but ...
5
votes
2answers
1k views

What is the s/mime encryption strength on iOS?

I've set up S/MIME on my iPhone, but unlike other mail clients, I'm not given the option to select the hash or encryption algorithms. I assume iOS makes this decision for me. Can anyone tell me what ...
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votes
1answer
198 views

Can I use an encrypted disk image for my home folder?

At work, several people use my machine. Can I set my home folder to be inside an ecrypted disk image? How would it work as far as mounting/unmounting whenever I log in/out?
4
votes
4answers
1k views

iPad DropBox client side encryption

I have just gotten the New IPad - my first foray into the world of Apple. I'm eager to make the most of it that I can, for both personally and for work. In order for me to be able to use it for ...
1
vote
0answers
524 views

Is Time Machine encryption stuck or just taking long?

I have a 2TB, single-partitioned (HFS+) external drive which I connected to my MacBook Pro (10.8.4 Mountain Lion) for the first time. It prompted me if I wanted to use it as a Time Machine backup, and ...
1
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0answers
164 views

Mail.app : What do the padlock icons mean?

If I encrypt an email with S/MIME an icon showing a CLOSED padlock is displayed under "Security". However, if I encrypt using OpenPGP it's an OPEN padlock icon. Both are followed by the word ...
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2answers
211 views

Data Leak Prevention software for mac OSX

We are using a software in window environment which provides the following feature to prevent a data leak. This software is protecting a folder which contains a lot of AI and PS file in window ...
1
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0answers
209 views

Recover a deleted encrypted partition?

As my previous external HDD threw some disturbing SMART Warnings, I bought a new Hard Drive. It arrived earlier today, I formatted it and made some backups onto it at it has more space and I wanted to ...
2
votes
1answer
526 views

Is FileVault 2 + SSD + OverProvisioning possible?

As the title says, could someone accomplish this? I couldn't. FileVault 2 wizard tells me that the disk isn't compatible with it. I have only 3 partitions on main disk, and Recovery HD was cloned ...
2
votes
1answer
148 views

Will use of FireVault reduce lifetime of SSD?

I want to setup my FileVault in Retina MacBook Pro 13. Will it reduce lifetime of my SSD a lot?
11
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2answers
4k views

What are the implications in speed and battery life while using Filevault 2?

One of the neat new (though understated) features of Lion is Whole Disk Encryption. Before I flick the switch, I'd love to know what the performance impacts (speed and battery impacts) of switching ...
1
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3answers
321 views

Is an admin password enough to protect my files?

So I'm debating whether or not I should encrypt my MacBook Pro's HDD. Is the account password enough to keep my files safe? If my MacBook got stolen would the thief be able to access the files? Would ...