How to Encrypt All Your Online and Offline Data

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How to Encrypt All Your Online and Offline Data
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Your digital profile can also be used to invade
your privacy in annoying and creepy ways such as
showing you ads that are personalized based on
your most intimate preferences and
information. However, its never too soon to
start protecting your digital information from
unwanted eyes. In this regard, your best friend
is encryption, the science of scrambling data
using mathematics. Encryption makes sure only
intended people can read your data. Unauthorized
parties who access your data will see nothing but
a bunch of undecipherable bytes.
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Encrypt Your On-Device Data First, the easy part.
You should start by encrypting the data you
physically hold. This includes the content you
store on your laptop, desktop PC, smartphone,
tablet and removable drives. If you lose your
devices, you risk placing sensitive information
in the wrong hands. The most secure way to
encrypt your on-device data is full-disk
encryption (FDE). FDE encrypts everything on a
device and only makes the data available for use
after the user provides a password or PIN
code. Most operating systems support FDE. In
Windows, you can use BitLocker to turn on
full-disk encryption on your PC. In macOS, the
full-disk encryption is called FileVault. You can
read our step-by-step guide on using BitLocker
and FileVault. Windows BitLocker also supports
encrypting external drives such as memory cards
and USB thumb drives. On macOS, you can use the
Disk Utility to create an encrypted USB drive.
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Alternatively, you can try hardware encrypted
devices. Hardware encrypted drives require users
to enter a PIN code on the device before plugging
it to the computer. Encrypted drives are more
expensive than their nonencrypted counterparts,
but they are also more secure You should also
encrypt your mobile devices. On-device encryption
will make sure that an unauthorized person wont
be able to gain access to your phones data, even
if they get physical access to it. Both iOS and
Android support full-disk encryption. All Apple
devices running iOS 8.0 and later are encrypted
by default. We suggest you leave it that
way. The Android landscape is a bit fragmented
since OS default settings and interfaces might
differ based on manufacturer and OS version. Make
sure to check yours is encrypted.
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Encrypt Your Data in the Cloud
We rely on cloud storage services such as Google
Drive, DropBox and MS OneDrive to store our files
and share them with friends and colleagues. But
while those services do a good job to protect
your data against unauthorized access, they still
have access to the contents of the files you
store in their cloud services. They also cant
protect you if your account gets hijacked. If you
dont feel comfortable with Google or MS having
access to your sensitive files, you can use
Boxcryptor.
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Boxcryptor integrates with most popular storage
services and adds a layer of encryption to
protect your files before uploading them to the
cloud. This way, you can make sure that only you
and the people you share your files with will be
aware of their content. Alternatively, you can
use an end-to-end encrypted (E2EE) storage
service such as Tresorit. Before storing your
files in the cloud, E2EE storage services encrypt
your files with keys that you exclusively hold,
and not even the service that stores your files
can access their content.
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Encrypt Your Internet Traffic
Perhaps equally as important as encrypting your
files is the encryption of your internet traffic.
Your internet service provider (ISP)or a
malicious actor that might be lurking on the
public
Wi-Fi network youre usingwill be able to
eavesdrop on the sites you browse to and the
services and applications you use. They can use
that information to sell it to advertisers or, in
the case of hackers, use it against you. To
protect your internet traffic against nosy and
malicious parties, you can sign up to a virtual
private network (VPN). When you use a VPN, all
your internet traffic is encrypted and channeled
through a VPN server before reaching its
destiny. If a malicious actor (or your ISP)
decides to monitor your traffic, all theyll see
is a stream of encrypted data exchanged between
you and your VPN server. They wont be able to
figure out which websites and applications youre
using.
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One thing to consider is that your VPN provider
will still have full visibility on your internet
traffic. If you want absolute privacy, you can
use The Onion Router (Tor). Tor, which is both
the name of a darknet network and a namesake
browser, encrypts your internet traffic and
bounces it through several independent computers
running a specialized software.
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Encrypt Your Emails
Encrypting your emails can protect your sensitive
communications against people who gain unwanted
access to them. This can be hackers who break
into your account, or your email provider
itself. To encrypt your emails, you can use
Pretty Good Privacy (PGP). PGP is an open
protocol that uses publicprivate key encryption
to enable users to exchange encrypted emails.
With PGP, every user has a public, known to
everyone, which enables other users to send them
encrypted emails. The private key, which is only
known to the user and stored on the users
device, can decrypt messages encrypted with the
public key. If an unintended party intercepts a
PGP-encrypted email, they wont be able to read
its contents. Even if they break into your email
account by stealing your credentials, they wont
be able to read the contents of your encrypted
emails.
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