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Use of VPN (Virtual Private Network)

What Is The Use Of VPN ( Virtual Private Network ) :-
Well we are now at the digital age , many of us Internet and Internet related tools to search a small information in a gigantic Database . Which is interconnected all over the world. We live in society and we've to follow some certain rules. If you don't follow the rules then you'll have to leave the society. What is VPN ? Why we need VPN , it stands of Virtual Private Network -The most secure way to connect to the Internet without risking Our online identity, privace and personal information.
It's a method used to add security and privacy  to private and public networks, like Wi-Fi Hotspots and the Internet. Privacy is increased with a VPN because the user's initial IP address is replaced with one from the VPN provider.This method allows subscribers to attain an IP address form any gateway city the VPN servie provides, for example You may live in Tokyo , but wiht a VPN ,you can appear to live in London, Netherlands etc.

There are three types of web 1. Public web 2. Deep web 3. Dark web .
                             The end user access only Public web for sharing different kind of information. But on the other side there is Deep web which is the Backend of Public web I.e Deep web is database of Internet backbone ,where a huge amount of data is stored in server.
  We know in our there are two kinds of people live One is positive guy and another is negative guy . I want tell the world about bad guy over the Internet . We must thankful to him that he gave us better security by just they used to find hole ( defective  ) portion of software , application and Web. These type to guy is not bad they do good but by the help of bad techniques.
                             There are two ways where people used to access internet 1.Public 2. Private . If we publically connect to the Internet we do not need more security , But when a corporate of any private ,secret project , data warehouses , Telecommunications etc. They use VPN to encrypt information.
                             There are a lot of VPN program available for Windows, Linux, Android, IOS Operating system.
What are the pros and cons of a VPN?
VPNs offer several advantages. Because you’re anonymous in that tinted-window rental car, nobody can tell where you actually are. Before you set out on the cyber highway, you can choose from a selection of IP addresses. If the VPN provider is robust enough, it will offer a good selection of different geographically-located IP addresses.

For instance, if you are visiting Paris and you come up against region-restricted access to a site you typically visit in the US, you just need to choose a US-based IP address from the VPN service and, suddenly your virtual rental car has US plates and you’re granted access. Likewise, for access to a site that is only available in France: choose an IP based in that region and, voilà, you’re French. Here are some use cases where a VPN would come in very handy:                                                       
Why do we need a VPN?
Now that you know the VPN definition, let’s talk about why you need one. Because you do now more than ever.
Net neutrality is the principle that all ISPs (internet service providers) should treat all internet data equally — no discrimination and no favoritism. In December 2017, the FCC repealed net neutrality, which means you may now find yourself up against any number of conditions or prejudices based on what you’re trying to do online.
Back in April 2017, the FCC took its first step in this direction by overturning a rule that required ISPs to obtain customer consent before sharing or selling their specific data. Now, ISPs are free to sell your social security number, your geolocation, your health info, your browsing history, and any details it collects on you to the highest bidder. Using a VPN keeps you private, even to your own ISP, so nobody can track your movements or see your data.
Another strong reason for VPNs is the rise of the modern coffee shop, where you see as many laptops as you do lattes. Any public Wi-Fi hotspot is a haven for hackers. If you like to browse while enjoying your brew, using a VPN will block any hacker perched on the same Wi-Fi hotspot, trying to spy on you.
With this recent deregulation of the rules and the increase in sophisticated cybercrime, the internet is a lot like the wild west. VPNs keep you protected through the madness.
What are the pros and cons of a VPN?
VPNs offer several advantages. Because you’re anonymous in that tinted-window rental car, nobody can tell where you actually are. Before you set out on the cyber highway, you can choose from a selection of IP addresses. If the VPN provider is robust enough, it will offer a good selection of different geographically-located IP addresses.
For instance, if you are visiting Paris and you come up against region-restricted access to a site you typically visit in the US, you just need to choose a US-based IP address from the VPN service and, suddenly your virtual rental car has US plates and you’re granted access. Likewise, for access to a site that is only available in France: choose an IP based in that region and, voilà, you’re French. Here are some use cases where a VPN would come in very handy:
 Pros
Stream from anywhere - If you’re abroad and you try to access a streaming account you use in the US, you may find some shows are not available in that region. But if you choose a US-based IP address, all your favorites are at your fingertips, just as though you were home.
Access blocked websites - Certain institutions — schools, libraries, job sites — restrict access to specific web pages such as social media, but the encrypted connection provided by your VPN will tunnel right through.
Avoid censorship - Every government has an agenda, and some go to extremes to control information. While circumventing government restrictions could certainly be considered illegal in some of these countries, we’re of the mind that unadulterated free speech is a good thing.
Beat price discrimination - Price discrimination can hit you two ways. One is by your location — people in San Francisco or New York have a higher cost of living and therefore higher incomes. Clever businesses know this and program their sites to display a higher cost of goods to users based in those areas. (This is very common among the airlines.) The other way you can experience price discrimination results from your ISP tracking your purchases and preferences. As it learns you regularly buy a specific product, it can sell the product manufacturer your info, and you may see that product’s price go up for you, because they know you’re going to buy it. The privacy and anonymity of a VPN keeps you free of this kind of targeting.
Don’t be tracked - It bears repeating as its own section — don’t let yourself be tracked by hackers, cybercriminals, corporations, the government, or even your own ISP. Keep yourself free from repression, targeting, and discrimination.
Are there any downsides to VPNs? Comparatively speaking, the negatives are negligible, and the good outweighs the bad. Nevertheless, you should be in the know.
 Cons
Potentially slower speed - Your web traffic goes through more steps than usual when connected via VPN, so there could be a perceptible slowdown. Since this has always been the #1 complaint about VPNs, developers have taken notice. Many have had success optimizing speed and performance, so much so that their VPN users can stream and game fluidly without a hiccup.
QoS challenges - QoS stands for “quality of service” and describes the performance of a service or network. VPNs do not yet have a standard in place to gauge and report such measurements. With no metrics to analyze, you need to rely on professional reviews and word-of-mouth to learn what’s most reliable.
VPN blocks - Some businesses are getting wise to the fact that VPNs give their users carte blanche. To fight back, companies are beginning to block access from known VPN IP addresses. Not to be so easily defeated, VPNs simply turn on new IP addresses to use.
Not TOTAL privacy - While the VPN does its job of keeping you private and encrypted, any cookies in your browser will still identify you. It’s up to you to turn those off.
                                                           Source : Internet

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