What Is a VPN, and Why Would I Need One?

What Is a VPN, and Why Would I Need One?

Virtual private networks (VPN) help users protect their privacy when browsing and accessing services and web pages when we use unreliable connections such as public Wi-Fi networks since it protects the information we exchange through encryption.

When we surf the Internet, our team connects to another, and information is exchanged between them. For example, if we join an unsecured Wi-Fi network and consult the mail service from the mobile, we connect to a server to which we send the username and password to validate ourselves and it will send the emails to the mobile. Although legally the Internet service provider has to register the connection of our device with the mail server, if someone connected to our wifi spies on us, it could compromise privacy since they would know that we have connected to a specific mail service, or to a server of our company.

That our Internet service provider records all connections, is done due to legal requirements set forth in Law 25/2007, of October 18, on the conservation of data related to electronic communications and public communications networks, there are times when Cybercriminals use it to collect information that they will use to attack us (social engineering).

In addition, in some cases the information we exchange, such as username and passwords, balances, credit card numbers, etc. It is not encrypted, if someone spies on it, it could “read” it without a problem, in case the server to which we connect does not have a digital certificate.

When we send and/or receive encrypted Internet information, the information is not understood, and even if someone spies on it, you will not be able to use it.

Although these issues are not usually of concern in principle, it is necessary to take into account the use of a VPN when we connect to the Internet from “unsecured” networks such as municipal, airport, passwordless, bar, etc. WiFi networks You also have to control others that do not seem as “insecure” as hotel or company networks. In these cases, it would be advisable to try to raise the level of privacy, and especially if we are going to send some important information that we cannot encrypt. One of the areas where it is most about protecting this type of information is in teleworking, where the use of the VPN is already very common.

what is a Virtual Private Network or Virtual Private Network VPN?

A Virtual Private Network is a service through which our team connects to another that acts as an intermediary (the VPN server) between us and the Internet services and web pages that we access (Gmail, Facebook, Dropbox, etc.).

The connection between our equipment and the VPN server is always encrypted so that if someone intercepted our communications, they would be unable to read the information.

Virtual Private Networks divide the connection into two parts or zones, the first goes from our computer to the VPN server and the second from the VPN server to the server or service to which we are going to connect.

Of the two areas, the first is where information could be spied on the easiest, because “sneaking” into our local network is easier because security measures are less because they depend on the user and a very high percentage do not know or they cannot secure it effectively. Many local networks connected to the Internet have a Wifi network, which makes it easy to access the network and spy on it. The routers that are used are of the low range, and cannot provide enough security since the user does not know how to configure them, the manufacturers do not update the firmware of those routers, the default credentials are not modified. So it is easier to spy on us in the first section, exactly from the device to the router

On the other hand, if we intercept communication on our local network, the information they intercept is ours, while the information that comes from the VPN server to the Internet can be from any client that uses that service. So the most important area to protect is the first, and the simplest way is to use a VPN. We always usethe best VPNs like internetetsecurite, diebestenvpn to protect our privacy.

What advantages and disadvantages could VPNs bring us?


What is achieved with a VPN is to create a secure connection, through an unsecured medium such as the Internet? In addition, currently, although there are many users who have access to the Internet through mobile phones (3G / 4G), there are still many users who, mainly to save data, use networks such as municipal Wi-Fi, in airports, bars/restaurants, trains, plane, hotel, etc. of which we do not know the level of security and reliability. VPNs give us advantages in several aspects:

Privacy and confidentiality

There are cases in which knowing where we connect could pose a personal, economic, or business risk. If we connect from an unsecured line to the home computer or to our company, someone could intercept the information and start from it, analyze it and, in the case of credentials, try to access these computers for various purposes, generally not very legitimate… If the connection they can see is with our VPN server, they cannot easily determine the destination of the connection.

On the other hand, if our connection is not encrypted and someone intercepts it, you could use it for various activities such as theft of personal data, theft of credentials, etc. As we explained previously, the VPN always encrypts the data between our device and the VPN server, so if they intercept the information, it will not do them any good.


When information is not encrypted, it could be intercepted and modified to mislead the recipient. If that information is encrypted it could not be modified.


VPNs also have a downside. Among them and the most common, especially on free servers, is that the VPN server provides us with an IP address from another country, so many websites will interpret that we are loading the page from that country and it is possible that the language.

The other major drawback is that communication is usually slower than if it were direct, and in case of free services, in addition to limiting speed, they limit the amount of data we can transfer. In payment services, there are usually no data transfer limitations, although the speed, when using a service that acts as an intermediary, will always decrease compared to a direct connection through fiber optics or ADSL.

Although it may not always be considered a drawback, it may also happen that if we access certain services, for example, our email, we may receive a warning that someone from another country is accessing our credentials from a site that “is unusual”. That someone will be us, but the mail program does not know it, it only warns.

VPN services

There are many VPN services like privatnostonline & vpnveteran in the market, and some have free usage plans, but limiting the speed and amount of data that we can send and receive. Its operation is based on installing a program, after prior registration, that will connect to the VPN server that we will use. From that moment on, we can consider that our Internet connection from public networks is more secure. Examples of this type of service could be:

Turbo VPN / Turbo VPN for PC

Turbo VPN is the best free unlimited VPN to unblock sites, watch online videos, bypass blocked apps, secure WiFi hotspots, and surf privately and anonymously.

Main functions:

– Privacy. You don’t need to log in. Users cannot be tracked.
– Secure network. Protects from hacking under public WiFi.
– Avoid the firewall of the school or office. Unblock websites.
– Unlock websites, online streams, or games.
– Unlock updates, features, and even videos that are blocked in your country.

You can use it in:

– Public WiFi
– The school or office
– Visit your favorite websites
– Watch online videos/streams or play online games.

Our advantages:

– More than 10,000 servers. We are stable and fast.
– More than 150 countries. We have a wide portfolio of countries.
– More than 200 million users. We are highly preferred by users.
– Encrypts the data using OpenVPN protocols (UDP / TCP). We protect privacy.
– Light apk package. Our app does not take up much space in your storage!

User terms.

By downloading and/or using this product, you acknowledge and accept the End User License Agreement and Privacy Statement at:

For policy reasons, this service cannot be used in China.

Touch VPN

TouchVPN, this is one of the VPN applications that we are going to use to have unlimited free internet, you can download it from the Play Store it is completely free and one of the advantages is that it is compatible with many android versions. It is a VPN apk that as the main function is to hide our IP when browsing the network, you can choose which country you want the server to be. It works with the APN that comes by default in the different telephone companies, in this case in the Tigo operator.

Requirements for Touch VPN

  • If you have ad-blocking apps installed, you have to remove them such as ADFree or AdBlock, all they do is cause interference.
  • You must check your balance, for this process TouchVPN can spend it, therefore you should not have credit when doing this process.
  • You have to download the application from the Play Store.
  • The APN profile that comes by default in Tigo Colombia, must be activated.
  • If you live in a place where there is no signal, we recommend that this process should be done in an area where there is new coverage.

Avast SecureLine VPN / Avast VPN

Avast SecureLine VPN is the world’s most popular antivirus that protects the devices for PC, Mac, Android, iOS, and Android TV.

For those who want freedom online

Who likes to be harassed by hackers on public Wi-Fi networks, advertisers tracking everything they do online, and censorship of content in certain countries? Enjoy the Internet your way with Avast SecureLine.

Privacy is a right, not a privilege

You should not have to worry that your employer, advertisers, governments, or your own Internet Service Provider can snoop on what you do online. So avoid it. Just press a button and your Internet activity will be hidden.

Security in all connections

Do you think the Wi-Fi network at your favorite coffee shop is secure because you know the waiter? Think about it, you are not alone in that network. Avast SecureLine VPN encrypts your connection to protect your data from hackers that may be lurking on the same network.

See more on the Internet

We help you access online content from around the world, so you can read, view, and interact with anything you can find online, regardless of where it comes from.

Where speed and capacity come together

What is the point of a secure and private Internet connection if the content does not load? We constantly improve the speed of our servers to offer you better browsing experience.

Greater streaming and gaming capacity

High definition movies, delay-sensitive online games, or gigantic files? Nothing happens.

High speed, even under pressure

Our servers offer average capacities of 450 – 600 Mbits / s, even in times of heavy load.

Balanced use

We use systems that automatically balance the traffic between the different servers, thus ensuring that none is overloaded. Additionally, we continue to add servers.

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