WEBVTT

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In this video, we're going
to be talking about VPNs.

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Now if you're not familiar
with what a VPN is,

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your standard
internet connection

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typically works like this.

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Your home internet
connection runs

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through your ISP for your
DNS, or Domain Name Server.

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It resolves whatever
address or location

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we're trying to get
to on the internet,

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and then it goes to where our
destination, the website server

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whatnot, and then comes back
through to our home system.

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Now the problem with this
is, your ISP or anyone else,

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if they're sitting
in the middle,

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can potentially
collect that traffic

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and start logging
where you're going,

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passwords, any other
information that's

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being transmitted to and from.

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This also means a
malicious hacker could also

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be doing this,
essentially setting up

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a man in the middle attack,
going from your computer,

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standing in the middle
of the connection,

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collecting the information, and
then off to wherever it's going

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and then back again.

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Depending on what
country you live in,

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there also may be a
firewall in place,

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meaning they're blocking
you from getting

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to certain locations.

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And this is a potential
issue for journalists

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and different advocates
where they're not

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able to get to,
say, a publishers'

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story because that particular
country is blocking

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that access.

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So this is where a VPN comes in.

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A VPN, or Virtual Private
Network connection,

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is essentially a secure
encrypted connection out

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to the internet.

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Now with a VPN, it could either
be a hardware or software

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solution.

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Most typically people
run a software solution.

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Hardware tends to be a
little bit more secure.

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And also certain
routers will actually

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have a firewall built into it
they could potentially use.

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Now there's also paid
versions for VPNs

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and also open
source VPNs to use.

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But with a VPN, a VPN sits
on your side, essentially.

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It's on your device, your
computer, your smartphone,

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your tablet, or, again,
it's a hardware device

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that's going to sit
there on your network.

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And then it goes from the
VPN out through your ISP

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into the destination.

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So are there are a
lot of VPNs out there?

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There actually are quite
a few VPNs out there.

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And these are some of
the more popular ones.

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These essentially are paid ones.

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There's some free versions
for proton VPN or TunnelBear.

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But again, there's certainly
no shortage of VPNs

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out there that you could use.

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Again, open source,
hardware, software, and there

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is VPN for computers, Windows,
Linux, OSX, iPads, Android,

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Chrome.

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You name it, there's a
VPN for it in some form.

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Now VPNs don't all work the
same on different devices.

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Some VPNs will have servers
in different countries.

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And depending on
your use case that

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may or may not be important.

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Some VPN providers will be more
compliant with law enforcement.

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Some VPN providers will not
encrypt their traffic properly.

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And we saw this
a couple of years

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back where some of the more
popular VPNs for Facebook

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and mobile devices weren't
encrypting the traffic at all,

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which is a huge problem.

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All the transmissions were
done in plain text, which

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is pretty pointless
if you're running VPN,

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because the point of
VPN is that traffic

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is supposed to be encrypted.

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Costs and subscriptions
will vary.

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So VPNs are not a particularly
cheap thing to run.

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It does require a lot of
servers, a lot of bandwidth.

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So in general they are going
to charge you for this.

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So in general, be
wary of free VPNs.

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So again, it is expensive
to run a proper VPN service,

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so they're going to have
to monetize it in some way.

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So a lot of times what
we see is your data

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is actually being sold off,
some information about you

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depending on how much
information about you that's

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being sold off, it's going
to vary, places you're going

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and things like that.

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So it's always recommended to
research a VPN before you buy

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or start using a VPN.

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