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+ + Is Using FileVault Encryption in macOS Good Enough? Posted on December 1st, 2016 by There are.
Before you encrypt your Mac, it is vital to know which encryption type is best for you and to be aware of its strengths and weaknesses. This will you decide whether you should use FileVault or some other third-party encryption software to protect your Mac. For the most part, using encryption is a matter of flipping a switch or checking a box, but what happens behind the scenes when a checkbox is clicked? What kind of encryption is used in macOS and is it any good?
And what if the options offered by Apple are not good enough for your needs? In this article, we'll cover some of the encryption types and strengths that are used in macOS, and why you would choose one option over another. What encryption is used in macOS? One of the most common encryption ciphers used in the world and the one macOS relies on the most—whether it's FileVault, creating an encrypted disk image, or password protecting an iWork document—is Advanced Encryption Standard (AES). AES is a solid cipher and can be used with 128-bit or 256-bit keys.
Zynga poker free download for windows 7. They are both very good, and if a strong password is used the likelihood of it being cracked are very slim. For the most part, however, macOS does not offer much of a choice when it comes to encryption. When you password protect a PDF in Preview, macOS uses 128-bit RC4, which is much less secure than the 128 or 256-bit AES that Adobe Acrobat uses. You don't have a choice as all you get is a checkbox to enable it. Password protecting a Pages or Numbers file defaults to 128-bit AES, also without giving you a choice. FileVault uses 128-bit AES as well. The only place where Apple offers an option is in Disk Utility, when creating an encrypted disk image.
As Apple mentions, 256-bit AES is more secure but slower. The performance impact when using a 256-bit encrypted disk image is very noticeable. On everything macOS uses AES encryption, it defaults to 128-bit. So you may be asking, why is 256-bit an option in Disk Utility? Most likely it's there because government requires 256-bit AES encryption for 'TOP SECRET' files, and if the government requires it, others may as well, so Apple gives them the option to avoid complaints. For everyone else, 128-bit is more than enough to secure data.
What's the weakest link in encryption? The ability for encryption to protect your sensitive data hinges on the password you set. How do i keep the columns from moving in microsoft word for mac 2011 free. Creating a 256-bit AES disk image with 'password123' won't do you any good if someone gets their hands on it or is motivated to get in. Using that same disk image with 'qs2]mHEH#?hY3q^3oZeiNksrk' as the password, now that's a different story.