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A secure network that uses the Internet as its main
backbone network to connect the intranets of a
company’s different locations or to establish extranet
links between a company and its customers, suppliers
or other business partners (O’Brien, 2003).
Point-to-point connections across a private or public
network, such as the Internet, using tunneling
protocols to connect a VPN client to a VPN Server
A secure, encrypted connection, which can be describe
as a tunnel, between your computer and a server
operated by theVPN service (Eddy, 2017)
Your data travelling
It enables users working at home or on the road
to access a server on the company’s private
network using the infrastructure provided by a
public network, such as the Internet.
It enables organizations to have routed
connections between separate offices or with
other organizations over a public network while
helping to maintain secure communications.
AVPN or other
It is used when is necessary to remotely connect to a
private network such as the company’s servers or an
There are other types of secure connections, which
have similar levels of security as a VPN connection,
and they are normally used when accessing a
website or some sort of extranet.
Example: Online banking and CCT Moodle
AVPN service can be hired by a regular internet user
by paying a subscription fee, which is around $ 5 per
It creates a virtual encrypted "tunnel" between the
user and a remote server operated by aVPN service
through an Internet Service Provider such asVirgin
• User becomes virtually anonymous online;
• Traffic data is kept private and safe from hackers
and government censorship;
• Not even the ISP can see the data or the websites
visited as the information is encrypted;
• User is able to access blocked content due to
geolocation as it can use the IP address from its
VPN server hiding its original location.
Is it against the
VPN is a legal service in most countries.
More repressive countries such as China and Iran
do ban VPN services from operating in their
country, and attempt to block users from accessing
overseas VPN services. However, censorship
systems are partially successful.
Is it against the
In Europe due to the threat of terrorism, in many
countries such as UK and France, VPN providers are
required to keep logs of users’ activity.
Netflix is fighting the abuse of VPN service to
access content that is not available for a certain
location. The company is often blocking streaming
when using a VPN connection to avoid users to
access content they did not pay for.
Security through encryption
Reduce operational costs
Security through encryption
Avoid internet censorship
Access blocked content
Disadvantages It will slow down the connection due to the
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