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Apple releases security patches
on a regular bases

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and to find the details of the security
issues related to the patches,

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have a look at the Apple
security updates page,

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which you can see
here in front of you.

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If we scroll down,

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we can see the latest issues
and security updates.

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Let's click on this one.

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You can look up on mitre.org or
the national vulnerability database

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for more details as usual.

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It will give you an idea of the criticality
and if you want to install it,

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but generally, you want to just
install all security updates

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unless you have some special
reason why you don't want to.

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OS X is able to download
and install updates

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for the operating system and
the Apple App Store apps.

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You can set this up for
automatic updates

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and this is done this way.

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If you go here,

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System Preferences,

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App Store,

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and here you can see the settings
for automatic updates.

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Here you have automatic updates.

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That obviously needs to be checked
to do the updates.

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This will download them
in the back ground

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and you'll be notified when
they're ready to be installed.

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Click this if you want to install
the app updates automatically.

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Click this if you want to install
the OS X operating system

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updates automatically.

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Here you can select to install
the system data files

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and security updates and
obviously you definitely

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want this one to be selected.

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You can click here to check
for the latest updates.

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Here we can see an update
is required,

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and that provides the details
of the update.

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You can see here, it says security
content of the update.

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If we click here we can see the security
content of this update,

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which is there.

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These are the latest options
for Yosemite and El Capitan,

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but in prior versions of OS X,

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these settings won't
look like this,

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and I don't believe automatic
downloading and installing

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of updates is available
in all prior versions.

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And you may not be able to select
for security updates as well

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like you can here
and with Microsoft.

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If you only want to install
security updates,

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then you can of course
deselect these

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and just have it install
the security updates.

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Any other app that you have
downloaded and installed

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not from Apple or the App
store is not updated

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as part of these settings.

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You'll need to update
these manually

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or you can try a tool
called MacUpdate,

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which is here.

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This is an app that you
download and install.

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Think of it as a bit like
another App Store

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that has non-App Store
apps in it.

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It will detect what software
is out of date

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and allow you to download
and install the latest version.

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I found it to work okay. It does have
a few bugs here and there,

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and will show the same
app twice sometimes.

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I haven't found a better
alternative though.

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And it is pretty good at keeping
the rest of your apps

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up to date with the latest
versions.

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Let me play this quick video
so you can get a good idea.

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[Video Starts]

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Macupdate.com has long been
the best destination

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for discovering Mac apps.

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And the all new MacUpdate
Desktop 6

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takes that experience
to a new level

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with unmatched simplicity
for installing and updating

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all of your apps with
just one click.

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Installing iOS apps on your iPhone
is always familiar and easy,

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but it's not so simple on a Mac.

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Disk images, compressed files, and
different installation requirements

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can leave new users confused
and pro-users inconvenienced.

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MacUpdate Desktop 6
eliminates these hassles.

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When you discover an app
on macupdate.com

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just click Install and Mac Update
Desktop 6 takes care of the rest.

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When the app is ready for use,

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simply toggle the MacUpdate Desktop
menu bar item and you're ready to go.

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You can install as many apps as you want
under desktop's fremium model.

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The convenience of one-click app installs
also extends to keeping your Mac apps

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up-to-date as well.

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Just click the Update button
on any outdated app

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and Mac Update Desktop
takes care of the rest,

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ensuring you're always taking advantage
of the latest features and improvements.

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MacUpdate is changing the way
that Mac users discover

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and install Mac apps.

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Download the MacUpdate
Desktop 6 today

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and experience the new
intuitive way of installing

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and updating your Mac apps.

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[Video Ends]

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If you are, as I'm sure you probably are,
as you're doing this course,

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going to install extra power
tools onto OS X

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because Apple hasn't included them,

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then I recommend
you install Brew.

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Brew is the missing package
manager for OS X.

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If you use this it means
you can also update

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and upgrade those packages
via the Brew tool.

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If you copy and paste this

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into your terminal,

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there you go, it's installed.

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You will need admin privileges
in order to install it though.

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If type brew help,

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that will help you on how
to use it or man brew.

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I'll show you a quick
few commands.

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This will search for
the package nmap.

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You can do,

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this will install nmap.

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So that's nmap installed.

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There we go, and nmap's there,
how quick and easy was that?

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Brew update,

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this checks if it's up to date.

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You can find out if any of the packages
are outdated.

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You can upgrade any package
that needs upgrading,

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or you can specify a particular package
that needs upgrading.

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You can see nmap
is up-to-date.

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And this will show you the packages
that you have installed.

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You can see that we've
also got open SSL

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installed as well because
that came with nmap.

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So there you go, that's Brew.