text stringlengths 1 81 | start float64 0 10.1k | duration float64 0 24.9 |
|---|---|---|
But all of your data is
passing through those machines | 3,351.46 | 3 |
in the middle, so to speak. | 3,354.46 | 1.47 |
If any of them are malicious
and are maybe storing your data, | 3,355.93 | 3.99 |
looking at your data, it's
possible that you might not | 3,359.92 | 3.24 |
be having secure communications
with the other end | 3,363.16 | 2.88 |
unless you are using certain defenses. | 3,366.04 | 2.37 |
And in our focus in this
class on data, we'll | 3,368.41 | 2.4 |
talk about cryptography and
encryption and building blocks | 3,370.81 | 3.65 |
via which we can mitigate
attacks like these. | 3,374.46 | 2.22 |
But it's worth knowing
about this general idea | 3,376.68 | 2.13 |
that even though it feels like
it's only you and amazon.com, | 3,378.81 | 3.96 |
it's only you and paypal.com,
it's only you and WhatsApp, | 3,382.77 | 3.72 |
there are many other
machines in the middle. | 3,386.49 | 3.19 |
And if you're not using
the best practices, | 3,389.68 | 2.6 |
and if you're not keeping an eye
out for those things, suspicious | 3,392.28 | 3.03 |
those machines in the middle might
actually be there to attack you, | 3,395.31 | 3.81 |
to take your data, to access your
accounts or something more as well. | 3,399.12 | 6.79 |
So there's a lot of attacks out there. | 3,405.91 | 2.288 |
And at this point, you might
be feeling a bit defeated. | 3,408.198 | 2.292 |
But hopefully, we've presented at
least enough defenses thus far, | 3,410.49 | 3.39 |
and there are still a few more to come. | 3,413.88 | 1.8 |
But let's consider now kind of the
source of a lot of these problems. | 3,415.68 | 3.75 |
Unfortunately, it's you, and it's me. | 3,419.43 | 2.85 |
Like, the whole story here
today started with you | 3,422.28 | 2.76 |
and I are not very good
at choosing passwords. | 3,425.04 | 2.1 |
And we generally meet the minimal
requirements, not necessarily | 3,427.14 | 3.72 |
the best practices. | 3,430.86 | 1.42 |
But again, there's these
sociological side effects | 3,432.28 | 2.66 |
of certain corporate policies
or technical policies | 3,434.94 | 3.51 |
that do induce this trade off
between security and usability. | 3,438.45 | 3.69 |
And it's one thing for me
to preach here, so to speak, | 3,442.14 | 3.28 |
and say, yes, you should use long,
complicated passwords that are really | 3,445.42 | 3.8 |
hard to guess with letters and digits
and punctuation still, maybe even 64 | 3,449.22 | 5.97 |
characters if you want to be really
secure, even if it's a longer phrase. | 3,455.19 | 4.26 |
But honestly, there are also these
pressures on me not doing that. | 3,459.45 | 3.93 |
It's annoying to type in 64 characters. | 3,463.38 | 2.82 |
It's annoying to type in eight
characters if a lot of them | 3,466.2 | 2.58 |
require uppercase, lowercase,
punctuation, and the like. | 3,468.78 | 2.94 |
And honestly, I have dozens, I have
hundreds, maybe thousands of accounts | 3,471.72 | 4.86 |
nowadays on the internet that
have accumulated over time. | 3,476.58 | 2.97 |
What am I going to do if it just gets
difficult to remember these things? | 3,479.55 | 3.33 |
Well, like you yourself might in your
company, you might walk by their desk | 3,482.88 | 4.86 |
and see on their monitor, the familiar
yellow post-it note with one or more | 3,487.74 | 4.1 |
of their passwords actually on it. | 3,491.84 | 1.44 |
Maybe worse, you open their desk
drawer, and there's a whole printout | 3,493.28 | 3.6 |
of all of their username and passwords. | 3,496.88 | 1.71 |
Or even beyond that, maybe they actually
have a text file or an Excel file, | 3,498.59 | 4.96 |
a CSV file on their computer thinking,
well, at least it's all digital. | 3,503.55 | 2.96 |
But it's just sitting
there on their desktop. | 3,506.51 | 2.43 |
And worse maybe it's called
passwords.txt or the like. | 3,508.94 | 3.99 |
But that's a very real
side effect of having | 3,512.93 | 2.4 |
policies and technical constraints
that make it harder to use systems. | 3,515.33 | 3.94 |
So what are some other defenses
that either you can use | 3,519.27 | 3.08 |
or maybe companies can use or
offer to make things better? | 3,522.35 | 3.31 |
Well, a solution to
some of these problems | 3,525.66 | 2.33 |
might be this, Single Sign On, or SSO. | 3,527.99 | 3 |
So single sign on refers to
an ability to sign up for, | 3,530.99 | 4.08 |
to log in to one's website using
an account that you already | 3,535.07 | 4.23 |
have on another website. | 3,539.3 | 1.59 |
And very often the account that
you use is one of the big ones, | 3,540.89 | 3.13 |
one of the popular websites
or applications out there. | 3,544.02 | 2.61 |
So for instance, if you log in
to this representative website | 3,546.63 | 3.23 |
here, what you might see
is, yes, a form field | 3,549.86 | 3.07 |
via which you can type in your own email
address and your password to log in. | 3,552.93 | 3.93 |
Or if you prefer, you can
just log in with Google, | 3,556.86 | 3.21 |
or you can just log in with
Facebook, or you can just | 3,560.07 | 2.28 |
log in with any number of other services
if this website or application supports | 3,562.35 | 4.33 |
it. | 3,566.68 | 0.5 |
Now, what's the motivation here? | 3,567.18 | 1.54 |
Well, one, it's still
backwards compatible, | 3,568.72 | 2.7 |
so to speak, with the very
familiar approach of just let | 3,571.42 | 2.9 |
me register with my own email address. | 3,574.32 | 1.92 |
Let me come up with
my own password and be | 3,576.24 | 1.95 |
done with it, especially if I don't
use Google or Facebook as a customer. | 3,578.19 | 4.29 |
But the upside of offering
these solutions, especially | 3,582.48 | 2.88 |
for popular websites like
Google and Facebook and others, | 3,585.36 | 3.63 |
is that if I already have an
account with Google or Facebook, | 3,588.99 | 4.05 |
and hopefully I already have
a good password for both | 3,593.04 | 3.098 |
of those because those
are important to me, | 3,596.138 | 1.792 |
and better yet, I ideally have
two-factor authentication enabled | 3,597.93 | 3.78 |
on one or both of those, because again
they're important accounts to me, | 3,601.71 | 3.75 |
wouldn't it be nice for this
new website to let me, one, | 3,605.46 | 3.63 |
just log in with my
existing account so that I | 3,609.09 | 2.76 |
don't have to waste time signing up
for yet another internet account? | 3,611.85 | 3.45 |
Two, I don't have to remember
a new password that's | 3,615.3 | 3.36 |
going to be difficult to
remember and so forth. | 3,618.66 | 2.08 |
And so it decreases friction. | 3,620.74 | 2.09 |
It increases usability of the system. | 3,622.83 | 2.52 |
And ideally, it increases the security
of the system in this case as well. | 3,625.35 | 4.33 |
Why? | 3,629.68 | 0.5 |
Because if you're doing a good
job protecting at least these most | 3,630.18 | 3.24 |
important personal
accounts, then this website | 3,633.42 | 2.73 |
stands to benefit from those
same best practices on your part. | 3,636.15 | 3.75 |
Now, what is actually happening here? | 3,639.9 | 1.8 |
When you click Log in with
Google, Log in with Facebook, | 3,641.7 | 2.67 |
you should see the Google login
screen or the Facebook login screen | 3,644.37 | 4.29 |
respectively. | 3,648.66 | 0.72 |
You should literally be redirected
in your browser to google.com | 3,649.38 | 3.99 |
or facebook.com or one of their
international domain names instead. | 3,653.37 | 4.77 |
There, you'll type in your
same username and password | 3,658.14 | 3.09 |
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