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  • Writer's pictureChandni Rijhwani (Bachelor in computer application)

The Power of VPNs in Today's Online World.


Table of contents

  • What is VPN?

  • What is the purpose of VPN?

  • How VPN helps in internet?

  • Is VPN secured for internet?

  • What if our system stops responding after VPN is installed?

  • What are the merits and demerits of VPN?

  • Conclusion

  • Frequently Asked Questions (FAQs)

1. What is VPN?

A VPN, or Virtual Private Network, is a technology that creates a secure and encrypted connection over a less secure network, such as the internet. It allows users to send and receive data across shared or public networks as if their computing devices were directly connected to a private network.

2. What is the purpose of VPN?

The primary purposes of a VPN are to:

  1. Provide Privacy: By hiding a user's IP address, a VPN ensures that their online actions are virtually untraceable. This is especially useful when using unsecured networks, like public Wi-Fi in coffee shops or airports.

  2. Enhance Security: VPNs encrypt data, ensuring that sensitive information like login credentials, credit card numbers, or personal messages are safe from potential eavesdroppers.

  3. Bypass Geographic Restrictions: VPNs can make it appear as though a user is browsing from another location, allowing them to access content that might be restricted in their actual location.

  4. Avoid Network Throttling: Some ISPs might slow down specific types of traffic, like video streaming. A VPN can help bypass these speed restrictions.

  5. Access a Business Network While Traveling: Many businesses use VPNs to provide remote access to their internal networks.

3. How VPN helps in internet?

vpn guide

A VPN, or Virtual Private Network, offers several benefits when using the internet. Here are some of the primary ways a VPN can help:

  1. Privacy and Anonymity: VPNs mask your IP address, making your online actions virtually untraceable. This is particularly beneficial when using public Wi-Fi networks.

  2. Secure Data Transmission: VPNs encrypt your data, which means that information you send or receive while connected to a VPN is secured from eavesdroppers.

  3. Bypass Geo-restrictions: A VPN allows users to access content that might be restricted in their region. For example, if a video is only available to viewers in the UK, a user from another country could connect to a UK-based server through their VPN to access that content.

  4. Avoid Bandwidth Throttling: ISPs sometimes throttle bandwidth when detecting data-heavy activities like streaming or gaming. By using a VPN, your online activities are hidden from the ISP, making it harder for them to throttle your connection based on the content you're accessing.

  5. Secure Remote Access: VPNs are not just about browsing anonymously. They're also about securely accessing your organization's data remotely. This is particularly beneficial for businesses where employees need to access internal resources from outside the office.

  6. Bypass Internet Censorship: In countries or networks where access to certain sites is restricted, a VPN can help users bypass these blocks.

  7. Protection against Cyberattacks: Because your real IP address is hidden, it's harder for hackers to target your device specifically. Additionally, the encrypted connection offers an added layer of security against potential eavesdroppers.

  8. Safe Online Transactions: For those who often conduct transactions or manage sensitive data online, a VPN can provide an extra layer of security against potential threats.

  9. Reduced Online Tracking: Advertisers and websites track user behavior for targeted advertising. A VPN can reduce this tracking by masking your IP address.

  10. Avoid Price Discrimination: Some online retailers show different prices based on your browsing history and location. A VPN can help in making your location and potentially getting a better price.

4. Is VPN secured for internet?

VPN security

A VPN (Virtual Private Network) is designed to enhance security when using the internet, but whether or not a VPN is "secure" depends on several factors:

  1. Encryption: A reputable VPN service will encrypt the data that travels between your device and the VPN server. This encryption makes it difficult for eavesdroppers to understand the data even if they can intercept it.

  2. No-logs Policy: Some VPNs adhere to a strict no-logs policy, meaning they don't keep records of your online activities. This is important for privacy, as there's no data trail to be accessed or surrendered, even under legal pressure.

  3. VPN Protocol: There are various protocols used by VPNs, such as OpenVPN, L2TP/IPsec, and IKEv2/IPsec, each with its strengths and weaknesses. Generally, OpenVPN is considered one of the most secure options.

  4. Kill Switch: Some VPNs offer a feature known as a kill switch. If your connection to the VPN drops unexpectedly, the kill switch will disconnect you from the internet, ensuring that your data isn't transmitted over an unsecured connection.

  5. DNS Leak Protection: This feature ensures that your DNS requests (which translate domain names into IP addresses) are sent through the VPN rather than directly through your ISP. If DNS requests go through your ISP, it can see which websites you're visiting even if you're using a VPN.

  6. VPN Server Security: The VPN provider should ensure their servers are secure from hacking. If a VPN server is compromised, the data flowing through it could potentially be accessed.

  7. Reputable Provider: Not all VPNs are created equal. Some might offer inferior security, while others might even be malicious. It's crucial to choose a reputable VPN provider with positive reviews and a history of safeguarding user privacy.

5. What if our system stops responding after VPN is installed?

If your system becomes unresponsive after installing a VPN, it could be due to a variety of reasons, ranging from software conflicts to incorrect configurations. Here's a step-by-step guide to troubleshooting the issue:

1. Safe Mode: Restart your computer in Safe Mode. Safe Mode loads only essential drivers and system processes, which can help determine if the issue is being caused by the VPN software or other conflicting software.

  • For Windows: Restart and press the F8 key repeatedly before the Windows logo appear.

  • For Mac: Restart and hold down the Shift key.

2. Uninstall the VPN: While in Safe Mode, try uninstalling the VPN software.

  • For Windows: Go to 'Control Panel' > 'Programs and Features' and select the VPN software from the list to uninstall.

  • For Mac: Drag the VPN application from the Applications folder to the Trash.

3. Restart: After uninstalling, restart your computer in normal mode to check if it's responding properly.

4. Check for Software Conflicts: If your system works fine after removing the VPN, the VPN software might be conflicting with another application on your system. Consider any recent changes or installations you've made. Software like other VPNs, firewalls, or certain antivirus programs might not play well with a new VPN.

5. Reinstall the VPN: If you still want to use the VPN, try downloading the latest version from the official website and reinstalling it. Sometimes, a fresh installation can resolve issues.

6. Try a Different VPN Protocol: VPNs often allow you to choose between different protocols (e.g., OpenVPN, L2TP/IPsec, IKEv2). Sometimes, certain protocols can cause issues, so switching to a different one might help. Check the VPN's settings or configuration options.

7. Update Drivers: Outdated network drivers might conflict with the VPN software. Ensure that your network adapter drivers are up to date.

8. System Restore: If the problem persists and you're sure it started after the VPN installation, you could consider using System Restore (on Windows) or Time Machine (on Mac) to revert your computer to a state before the VPN was installed.

9. Contact Support: If none of the above step's work, contact the VPN provider's support team. They might be aware of the issue and offer a specific solution.

10. Alternative VPN: If you're unable to resolve the issue with your current VPN, consider trying a different, reputable VPN service to see if the problem persists.

6. What are the merits and demerits of VPN?

merits and demerits

VPNs offer numerous benefits but also come with some drawbacks. Here's a breakdown:

Merits (Advantages) of VPN:

  1. Enhanced Privacy: VPNs mask your IP address, making your online actions harder to trace and offering anonymity.

  2. Secure Data Transmission: VPNs use encryption to protect your data from eavesdroppers, ensuring safer data transmission over the internet.

  3. Bypass Geo-restrictions: VPNs can help you access content that might be blocked or restricted in certain regions by making it appear as if you're accessing the internet from another location.

  4. Avoid Censorship: Users in countries with strict internet censorship can use VPNs to access blocked websites and services.

  5. Prevent Bandwidth Throttling: VPNs can prevent ISPs from throttling your connection based on your online activities.

  6. Remote Access: Businesses use VPNs to provide employees with secure access to resources on the company network from remote locations.

  7. Protection against Surveillance: VPNs can shield your activities from being monitored by various entities, including ISPs, governments, or cybercriminals.

  8. Reduced Online Tracking: VPNs can limit the effectiveness of online trackers, including cookies and ad trackers, from monitoring your browsing habits.

  9. Safer Public Wi-Fi Use: Public Wi-Fi networks are notorious for being insecure. Using a VPN can help protect your data from potential threats on these networks.

Demerits (Disadvantages) of VPN:

  1. Speed Reduction: Using a VPN can sometimes slow down your internet speed due to the encryption process and the extra route data takes through the VPN server.

  2. VPN Blocking: Some websites and services detect and block VPN traffic, which can prevent you from accessing certain content while using a VPN.

  3. Complexity for Novices: While many VPN providers offer user-friendly apps, the concept and settings of a VPN can be confusing for non-tech-savvy users.

  4. Possible Data Logging: Not all VPNs adhere to a strict no-logs policy. Some might keep records of user activities, which poses privacy concerns.

  5. Cost: While there are free VPN services available, they might have limitations or might monetize by other means (like selling user data). Premium VPN services come at a cost.

  6. Trustworthiness: You're essentially entrusting the VPN provider with your data. If the provider is compromised or not genuine, it might expose or misuse your data.

  7. Limited Protection: A VPN isn't a holistic security solution. It won't protect against malware, phishing, or other types of cyber threats.

  8. Connection Issues: VPN connections can sometimes drop, potentially exposing your real IP address or interrupting online activities.

  9. Legal and Policy Restrictions: In some countries, the use of VPNs is restricted or banned. Using them can have legal consequences in such regions.

7. Conclusion


A Virtual Private Network (VPN) is a powerful tool designed to enhance internet privacy, security, and accessibility. By establishing a secure, encrypted connection between a user's device and a remote server, VPNs mask the user's true IP address and protect data transmission from potential eavesdropping. This ensures a higher degree of anonymity online and can help bypass geographical restrictions, internet censorship, and bandwidth throttling.

On the other hand, not all VPNs are created equal. There are potential drawbacks, such as speed reductions, trustworthiness of providers, software conflicts, and the fact that a VPN isn't an all-encompassing security solution. It's essential for users to choose reputable VPN providers, understand their limitations, and combine them with other security practices for comprehensive protection.

In conclusion, when used wisely, VPNs serve as a critical tool for safeguarding online privacy and ensuring unrestricted access to digital content, but users must remain informed and cautious in their choices and usage.

8. Frequently Asked Questions (FAQs)


1. Why should I use a VPN?

Using a VPN can enhance your online privacy, secure your data transmission, bypass geo-restrictions, avoid internet censorship, prevent bandwidth throttling, and protect against public Wi-Fi threats.

2. Will a VPN slow down my internet speed?

VPNs can sometimes introduce latency because they encrypt your data and route traffic through another server. However, premium VPN services often have minimal speed reductions, and some users may even experience increased speeds if their ISP previously throttled their bandwidth.

3. Can I use a free VPN? While there are free VPN services available, they often come with limitations, such as data caps or slower speeds. Some free VPNs might also log your data or serve ads. It's essential to research any VPN, free or paid, before using it.

4. Can my ISP see what I'm doing when I use a VPN? When you use a VPN, your ISP can see that you're connected to a VPN server but cannot decipher the contents of your traffic due to encryption. However, they cannot see specific websites you visit or the data you send/receive.

5. Can I access any content worldwide with a VPN? VPNs can bypass geo-restrictions, allowing access to content available in different countries. However, some platforms actively block VPN traffic, so there's no 100% guarantee.

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