Penetration testing and cyber defense

What is a Vpn, and why you need one.

6 min read
what is a vpn

Have you ever connected to a public Wi-Fi network and wondered if someone, somewhere might be able to see your online activity?. No one likes to be watched and tracked even if you have nothing to hide. That’s why you need to step up your privacy game. In this post, we are going to see few more reasons why you need a VPN.

Governments, advertisers, and even hackers may be trying to monitor your browsing history. Without a VPN, your internet service provider (ISP) could be recording your online activity and selling it to the highest bidder.

In our previous article, we discussed how to access the dark web safely, also the importance of using a VPN when accessing the dark web. And also we discussed how to use the Tor browser under a VPN. Now, if you are interested in accessing the dark web you should have a look at it.

What is a VPN?

what is a vpn

VPN stands for “virtual private network” – a service that protects your internet connection and privacy online. It creates an encrypted tunnel for your data, protects your online identity by hiding your IP address, and allows you to use public Wi-Fi hotspots safely.

When using a VPN it encrypts your data and redirects it through a secure server. You can browse online and act as you normally would, but outside observers won’t be able to see what you’re doing or track your location.

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How does a VPN works?

VPNs essentially create a data tunnel between your local network and an exit node in another location, which could be thousands of miles away. Also, it makes it seem as if you’re in another place. This benefit allows online freedom, or the ability to access your favorite apps and websites while on the go.

When your VPN is on, your browsing data is encrypted. Also, are sent to a secure server, and decrypted, before being passed on to their original destination. Even if a hacker can intercept your data along the way, all they’d see would be code.

The good thing is that even your ISP won’t be able to monitor you. Using a VPN is a simple and effective way to maintain your privacy. Out of a VPN, your ISP can know your entire browsing history. A VPN service provider may have servers all over the world. That means your search activity could appear to originate at any one of them.

Also, keep in mind that Search engines also track your search history, but they’ll associate that information with an IP address that’s not yours. A VPN can hide a lot of information that can put your privacy at risk.

However, it’s helpful to know how a VPN works to understand the service better. Here is what is going on behind the scene:

  • When you connect to a VPN service, it authenticates your client with a VPN server.
  • The server then applies an encryption protocol to all the data you send and receive.
  • Then, the VPN service creates an encrypted “tunnel” over the internet. This secures the data traveling between you and your destination.
  • Also, to ensure each data packacket stays secure, a VPN wraps it in an outer packet, which is then encrypted through encapsulation. This is the core element of the VPN tunnel,keeping the data safe during transfer
  • When the data arrives at the server, the outer packet is removed through a decryption process.

Why do yo need a VPN?

As I said no one likes to be watched and tracked even if you think you have nothing to hide. Here are a few more reasons why you need a VPN:

To be safe when using public Wi-Fi regularly

A VPN is your best friend when using Wi-Fi. Hackers have many methods to steal your data on public hotspots, but the good news is that when using a VPN you can stop worrying about that. If you are among people who want to browse in full privacy you should use a VPN to secure your connection.

To mask your IP address and location

If someone captures your IP address he can also access your search history and also your location. Remember your IP address identifies your device over the internet. So, since you use a VPN it’s the IP address provided by the VPN which will be seen over the internet.

It will allow you to maintain your online privacy and search the web anonymously. Also, you will be protected against your search history gathered, viewed, or sold.

Access blocked content

One of the most popular things a VPN is used for is content access. If you are a fan of streaming services and social networks while abroad is important for you to use a VPN. using a VPN, will directly change your IP address and redirects your connection to the internet through a remote server.

Avoid tracking and surveillance

Government agencies track and collect your browsing activity, messages, social posts, and other private data. A VPN protects you from being tracked by encrypting your traffic and hiding your IP address.

What should you look for when choosing a VPN?

Speed, Security and Privacy

Choosing a VPN depends on your need but here I’m going to gives you general points. When you want to choose a VPN you have to ask yourself 3 questions before choosing a provider. How fast is it? will it keep my data safe? and will it respect my privacy? Of course, everyone needs safe connections and his data to stay private.

If a VPN doesn’t respect your privacy no need to use it, because the point of using a VPN is to protect your privacy, so it’s crucial that your VPN provider respects your privacy. Also, make sure that they never track or log your online activities.

Also, make sure to know if they do set data limits. Because depending on your internet usage, bandwidth may be a large deciding factor for you to make sure their services match your needs by checking to see if you’ll get full unmetered bandwidth without limits.

There are many points to consider when you’re choosing a VPN the job is for you to make sure you’re getting the right for your needs.

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Why you should use a VPN at home?

You may ask yourself why you need a VPN at home and yet you are using your own Wi-Fi. But know that you do need one because it increases your protection and privacy online. Here are some ways you can use a VPN at your home:

  • Protect yourself against cybercrime

When using a VPN, you make it much harder for attackers to access your private information. Even if they target your device with routers hack or MITM attacks, they won’t be able to decrypt your data.

  • Bypass geographical restrictions

A good VPN provider will maintain servers across the globe. that means you can funnel your data through an IP address in another country, bypassing any local browsing restrictions.

  • Maintain personal privacy

Everyone has a right to privacy, both in the real world and online. But there’s no shortage of people and corporations who would like to get a look at your browsing activity. In fact, many ISPs are legally allowed to sell your data to corporations, advertisers, research bodies, and government agencies.

For all of the reasons we’ve mentioned here, we strongly recommend using a VPN, both at home and elsewhere.

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