
Virtual Private Network allows you to connect one or more computers to a private network most of the time via the internet. It allows you to surf safely on a public wifi network, and also helps prevent Man-In-The-Middle attacks. Even though this approach is not new, in recent years this has become more relevant mainly due to the new trends in the way companies work & more people want a greater level of online privacy.

VPN tunneling ensures secure communication between systems. As the connection is encrypted, no one along the VPN tunnel can intercept, monitor, or alter your communications.

 
### What is a secure VPN? {#what-is-a-secure-vpn}

A **secure VPN**offers several advantages, particularly for those who respect their online privacy and wish to limit their digital exposure. Whether utilized by mainstream enterprises or cyber-criminal activities, a secure VPN connection does not compromise on the crucial criteria that keep invasive use of technology at bay. The increase in Virtual Private Network service providers reflects the market’s explosive growth. With online transactions and a virtual lifestyle becoming more common these days, a reliable VPN service is an important part of our digital era.

Secure VPN can **hide your IP address** and **encrypt your browsing history**, and it’s increasingly being used to avoid government surveillance. In some scenarios, VPNs may not be enough to keep you safe.

A secure VPN connection must employ the strongest encryption quality possible to be really safe. It must have a variety of security methods to secure your data’s confidentiality. These protocols ensure that unauthorized parties cannot get access to the connection and that the data you send and receive is secure. If you’re considering several secure VPNs, be sure the one you pick protects you against IP address leaks. It’s also a good indicator if it features an **Internet kill-switch**, which stops specific apps immediately if your connection goes down. This automatic function can help you avoid data leaks that could expose sensitive information.

**Furthermore, if the VPN app of your choice offers two-factor authentication, then you may have found a winner.**

### Benefits of a Secure VPN and why do you need one? {#benefits-of-a-secure-vpn-and-why-do-you-need-one}

Using a Virtual Private Network has multiple benefits, and this is why everyone should use one. Here are a few of the most important ones:

**1. Security:**
Because a secure VPN encrypts your connection, your data flow is protected even if the network you connect to has insufficient security. A secure VPN disables harmful websites, malware, trackers, and adverts, so you won’t infect your device even if you take a wrong turn online.

**2. Privacy:**
When you browse the internet, you leave a trail of your device type, location, IP address, and browsing history. You can restore your privacy with the aid of a private VPN. It encrypts your internet connection so that no one can listen in on the websites you view or the information you share. It also masks your IP address and location, making it impossible for snoopers to find you.

**3. Prevent ISP tracking:**
Your internet service provider (ISP) monitors your online behavior and may share this information with advertising, government agencies, and other third parties without your knowledge or agreement. They do this for a variety of reasons, not all of which are malicious, but it is still an invasion of privacy.

ISP tracking may be blocked using a secure VPN connection, preventing them from accessing your passwords, social media data, or physical location.

**4. Working remotely:**
If you work in any type of corporate office, you will almost certainly be required to connect to an internal or local area network (LAN). When a large number of individuals, whose jobs allow it, are working from home. A secure virtual private network allows you to connect to the workplace network and work remotely. You have access to any private material that would normally be available exclusively in the office. While traveling to and from your house, the data is encrypted.

**5. Avoid Data Throttling:**
When you’ve used up all of your allotted data and your internet service provider (ISP) decides to slow down your connection, this is known as data throttling. If you use a secure VPN, you’ll quickly discover that one of the benefits of a virtual network is the ability to evade data caps, especially since neither your ISP can see how much data you use. This might be especially beneficial for employees who must utilize data plans on their mobile devices to access the internet while on the road.

**6. Preventing pricing discrimination:**
Price discrimination is the practice of charging varying prices for the same goods or service depending on your location, how you regularly use and purchase on the platform, and your online purchasing habits. Offline, price discrimination has long existed, but automated algorithms now allow for dynamic pricing online as well. A secure VPN can protect you from being duped and being charged more because of your internet surfing and shopping habits, as well as assumptions about your socioeconomic standing based on your IP address.

### What are its vulnerabilities? {#what-are-its-vulnerabilities}

It is said that no software is immune to vulnerabilities. Ordinarily when you connect to any website from your computer then that website can see your IP address but when you are using a virtual private server, your data is not directly sent to the website you are visiting instead your IP address is first sent to one of the VPN servers. So the website you are visiting does not see your IP address, they see the IP address of the VPN server. It means no one sees your IP address, not your internet service provider, the government, or hackers so you become untraceable. No one can trace back to you. In short, the whole idea of achieving the web security of you and your organization using a VPN is keeping your IP address hidden.

Though this was not good news such vulnerabilities occur every time in the cyber world. What’s important is how we identify and tackle such things.

**Some VPN providers embrace your data**

While it is also important that VPN provider should maintain full transparency because it is found that some VPN providers also hold onto your data. Most of the VPN providers claim that they do not maintain a log of your online session neither they maintain the logs for your IP addresses or servers used, websites visited or files downloaded but “no log” claim differ from one VPN provider to another.

**There’s malware detected in certain VPN mobile apps**

One study also found that some VPN mobile apps do have malware in it. This study was conducted by the Commonwealth Scientific and Industrial Research Organization and they found that 38% of VPN android apps were infected by some type of malware.
Also, some mobile apps requested access to sensitive personal data such as account details and messaging.

**Cloud VPN is more vulnerable**

Today cloud technologies have given a huge amount of collaboration and convenience to the organizations but it has also brought security challenges for them. While using Cloud VPN solutions companies exposes themselves and due to this, any hacker can gain access to their private data.

**Credentials phishing**

Credentials phishing is one rapidly growing attack in the cyber world, where a hacker steals credentials such as userID and password. Hacker displays himself as an authority and by the means of email or any communication channel he gets to know your credentials. If a hacker gets the credentials he can use it to get the sensitive info out.

### How Multi-factor Authentication helps to secure VPN? {#how-multi-factor-authentication-helps-to-secure-vpn}

Multi-factor authentication validates user identity with passwords and an additional layer of security (e.g. OTP over SMS/Email). That is why it is called multi-factor authentication. This provides greater identity assurance for a user who is accessing any resource via VPN. So with multi-factor enabled on your system, it prevents the hacker from accessing the resources even if they know your username and password. As you have an additional layer of authentication, a hacker has to pass that layer which is not possible. However, we need to understand that not all MFA are the same and provide greater assurance of security. Many MFA solutions are slow or complicated and therefore inefficient.

miniOrange can be of great value here by providing [Two-Factor Authentication](https://www.miniorange.com/products/two-factor-authentication-(2fa)) on top of VPN security. This secures the access to protected resources instead of relying on only the VPN username/password.

miniOrange uses the [Remote Authentication Dial-In User Service (RADIUS)](https://www.miniorange.com/blog/radius-server-authentication/) protocol. Communication between the client and RADIUS server is authenticated and a shared secret is used, which is never sent over the network.

![Radius Server Authentication Flow](/blog/assets/2023/radius-server-flow.webp)

Here the RADIUS client is nothing but the VPN. If you take a look at the steps then you can get an idea of how Two-Factor authentication is used with a VPN.

- The user enters the login credentials to the VPN.
- RADIUS Clients send the login details to the miniOrange RADIUS server.
- User details are checked with Active Directory.
- When the AD finds the user it sends the response to the miniOrange RADIUS server. First-factor authentication is completed here.
- A challenge response is sent to RADIUS clients for second Factor Authentication.
- RADIUS client prompts the user with a 2FA challenge. (e.g.OTP over SMS/Email).
- When the user validates himself with 2FA. The authentication response is sent to the miniOrange RADIUS server.
- After checking the response, the RADIUS server grants access to the user.


This way miniOrange ensures that no unauthorized person gets access to the VPN. miniOrange acts as a RADIUS server that takes the username/password from the user and validates it with Active Directory (AD). After checking with the AD it prompts the user for Two-Factor authentication. If the user successfully completes the 2FA then the server grants the access.

### Conclusion {#conclusion}

These days organizations have become fully aware of the use of Multi-Factor Authentication for an extra layer of security along with VPN. Unauthorized access to your VPN is likely to cause more harm to the business. Multi-factor authentication plays a key role in securing your network, data & resources.

miniOrange has succeeded in dealing with Identity and access management problems and we ensure you have safe and secure access to your resources. Our 2-FA authentication adds a 2nd layer of security when you are gaining access to protected resources through a Virtual Private Network.

### Further Reading {#further-reading}

- [Multi-Factor Authentication](https://blog.miniorange.com/what-is-multi-factor-authentication-mfa/)
- [VPN Security](https://blog.miniorange.com/vpn-security-how-2fa-helps-to-secure-your-vpn/)
- [2FA solution for VPN](https://www.miniorange.com/iam/solutions/vpn-mfa-multi-factor-authentication)

A secure VPN offers several advantages for those who want online privacy and wish to limit their digital exposure. miniOrange can provide MFA on top of VPN for more security.

Secure VPN with Multi-Factor Authentication


Passwords alone won’t stop cybercriminals so what’s the solution? [miniOrange](https://www.miniorange.com/) brings you Multi-Factor Authentication (MFA), an advanced security layer that ensures only the right people access your critical systems. Let’s dive into how MFA works, why it’s essential, and how it fortifies your defenses against evolving threats. 
         
## What is Multi-Factor Authentication (MFA)? {#what-is-mfa}
[Multi-Factor Authentication (MFA)](https://www.miniorange.com/products/multi-factor-authentication-mfa) enhances security by requiring users to provide multiple forms of verification before accessing critical resources like applications, online accounts, or virtual private networks (VPNs). As a crucial element of comprehensive [Identity and Access Management (IAM)](https://www.miniorange.com/iam/) frameworks, MFA goes beyond simple usernames and passwords. It introduces additional checks such as one-time passwords (OTPs), authentication apps, or biometric identifiers, significantly lowering the risk of cyber-attacks and unauthorized access.

## Why is MFA important? {#why-is-mfa-important}
Multi-factor authentication (MFA), also known as two-factor authentication or 2 factor authentication, is crucial for enhancing your organization's security. MFA goes beyond the traditional username and password by requiring additional verification factors, which significantly mitigates vulnerabilities inherent in single-factor authentication.

Usernames and passwords alone are prone to various attacks such as brute-force attacks and can be easily stolen by third parties. MFA introduces layers like OTP over email/SMS, authenticator apps, push notifications, biometric verification (such as thumbprints), and physical hardware keys, which adds an enhanced level of security. These measures ensure that even if basic credentials are compromised, the likelihood of unauthorized access remains minimal.
By integrating what is multi-factor authentication into your security protocols, you enforce a higher standard of identity verification, thus increasing confidence that your systems are protected against cyber threats. 

## How Does MFA Work? {#how-does-mfa-work}
Multi-factor Authentication (MFA) operates on a simple yet effective principle: it requires multiple layers of verification to authenticate a user's identity, dramatically improving security over traditional single-factor methods like passwords alone. Here's a step-by-step breakdown of the MFA process:


### 1. User Authentication Initiation
The user begins the process by entering their username and password, which serves as the first layer of security.


### 2. Second Factor Verification
Following the initial login attempt, the system requests a second factor of authentication. This could be a biometric input like a fingerprint scan, or a one-time passcode (OTP) sent to the user’s smartphone.


### 3. Access Granting
Access to the system is granted only after the successful verification of both the initial and additional authentication factors.  
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***Pro Tip: Secure Login with miniOrange MFA***  
*miniOrange enhances security by verifying credentials through a core identity provider, using OTPs for each login attempt, and offering over a range of 15+ MFA authentication methods to choose from.*


## Three Main Types of MFA Authentication Methods {#three-main-types-of-mfa-authentication-methods}
Multi-factor authentication (MFA) significantly enhances security by integrating multiple layers of verification. Here’s a closer look at the three primary categories of MFA authentication methods:

### 1. Knowledge Factors: Something You Know {#knowledge-factors}
Knowledge factors involve information that only the user should know. This category includes passwords, PINs, and answers to personal security questions. While fundamental to user authentication, knowledge factors are vulnerable to security breaches through methods like phishing or social engineering. Thus, they are often combined with other types of authentication factors to  enhance security.  
**Example:**
- **Passwords:** A classic form of security requiring a secret word or phrase.
- **Security Questions:** Answers to predetermined personal questions.
- **One-Time Passwords (OTPs):** These can overlap with possession factors. While the user must know the OTP to enter it, they typically receive it on a device they own, blending knowledge with possession.


### 2. Possession Factors: Something You Have {#possession-factors}
Possession factors authenticate identity based on items a user physically possesses. Examples include hardware tokens that generate one-time passwords, mobile devices with authentication apps, or security badges. These devices can receive codes via SMS or email, adding a tangible layer of security that complements knowledge factors. Even if a password is compromised, the attacker would still need the physical item to access the account, significantly reducing the risk of unauthorized entry.  
**Example:**
- **OTPs via Mobile Apps:** Generated on devices like smartphones through apps such as Google Authenticator or Authy.
- **OTPs via Text or Email:** Sent directly to the user’s phone or email account.
- **Physical Security Devices:** Including access badges, USB security keys, smart cards, and fobs.
- **Software Tokens and Certificates:** Digital credentials that prove the user's identity.


### 3. Inherence Factors: Something You Are {#inherence-factor}
Inherence factors use unique biometric identifiers to verify a user’s identity. This method relies on physical or behavioral traits that are nearly impossible to replicate, such as fingerprints, facial recognition, iris scans, or voice patterns. Biometrics offer a high level of security and convenience, as they cannot be forgotten like a password or lost like a physical token.  
**Example:**
- **Biometric Verification:** Utilizes unique physical characteristics of the user, such as fingerprints, facial recognition, iris or retina scans, and voice recognition.
- **Behavioral Biometrics:** Analyzes patterns of user behavior like typing speed, navigation patterns, and other interactions to confirm identity.  

After careful evaluation of financial institutions, we've found that combining possession and inherence factors provides the highest level of security. Discover more about [MFA authentication methods](https://www.miniorange.com/products/multi-factor-authentication-mfa-methods) and how they enhance security.

## What is Adaptive Authentication? {#what-is-adaptive-authentication}
[Adaptive Multi-Factor Authentication (Adaptive MFA)](https://www.miniorange.com/products/adaptive-multi-factor-authentication-mfa) is a security approach that dynamically adjusts authentication requirements based on real-time risk factors. Unlike traditional MFA, which applies the same authentication process for every login, Adaptive MFA evaluates conditions such as user location, device type, login time, and recent access patterns to determine the level of authentication required. If a user logs in from a recognized device at a usual location, a basic two-factor authentication (2FA) method may be enough. However, if an access attempt comes from an unfamiliar device, an unusual location, or outside regular working hours, the system enforces additional verification layers, such as biometric authentication or a one-time passcode (OTP), to prevent unauthorized access.  
This adaptive approach enhances security by scaling authentication based on potential risks while ensuring a smooth user experience for legitimate users. For example, a senior executive with high-level access attempting to log in from a new network or after multiple failed login attempts may be prompted for additional verification steps. By continuously assessing contextual factors, Adaptive MFA ensures that security measures are both effective and efficient, making it harder for attackers to exploit stolen credentials while reducing unnecessary authentication barriers for trusted users.


## What's the difference between 2FA and MFA? {#difference-between-2fa-mfa}

![Comparison between Multi-Factor Authentication and Two-Factor Authentication](/blog/assets/2025/2fa-vs-mfa.webp)

[Two-Factor Authentication (2FA)](https://www.miniorange.com/products/two-factor-authentication-(2fa)) and Multi-Factor Authentication (MFA) both enhance security by requiring additional verification beyond just a password. However, the key difference lies in the number of authentication factors used. **2FA strictly requires two factors**, typically combining something the user knows (password, PIN) with something they have (OTP, security token). On the other hand, **MFA requires two or more factors**, allowing for additional layers like biometrics (fingerprint, facial recognition), location-based authentication, or behavioral analysis. This makes MFA inherently more secure than 2FA, as it adds extra barriers against unauthorized access.  
While 2FA provides basic protection against cyber threats, it is still susceptible to phishing, credential theft, and session hijacking. MFA mitigates these risks by enforcing multiple independent authentication factors, making it significantly harder for attackers to breach security. For example, if a hacker gains access to a user’s password and OTP, an additional biometric or location-based factor in an MFA system can still prevent unauthorized access. As cyber threats become more sophisticated, organizations are increasingly adopting MFA over 2FA to strengthen security, ensure compliance, and protect sensitive data.

## What are the key considerations for Effective MFA Implementation {#key-considerations-for-effective-mfa-implementation}
Deploying Multi-Factor Authentication (MFA) effectively requires a strategic approach to enhance security without disrupting user workflows. By following these essential guidelines, organizations can ensure a seamless and secure authentication experience.

### 1. Ensure Organization-Wide Implementation
MFA should not be limited to high-privilege accounts; every user in an organization is a potential target for cyber threats. Enforcing MFA across all applications, remote access points, and cloud environments ensures a consistent security posture, preventing attackers from exploiting weak entry points.

### 2. Utilize Context-Aware Authentication
A static MFA setup treats every login attempt the same, but [context-aware authentication](https://www.miniorange.com/blog/5-reasons-to-deploy-context-based-authentication-for-your-organization/) dynamically adjusts security based on risk. Factors such as device type, location, and login behavior can determine whether a user should face additional authentication challenges. For example, logging in from a corporate network may require only a standard MFA prompt, while an attempt from an unfamiliar device triggers biometric verification or a time-sensitive OTP.

### 3. Provide a Variety of Authentication Options
Users should have access to multiple authentication methods to accommodate different needs. Combining hardware tokens, mobile-based authenticators, SMS/email OTPs, and biometric authentication ensures that users can always complete verification, even if one method becomes unavailable. A flexible approach improves security while enhancing user adoption.

### 4. Educate Employees and Encourage Adoption
Security measures are only effective if users follow them correctly. Organizations should educate employees on [why MFA is necessary](https://www.miniorange.com/blog/why-your-business-needs-multifactor-authentication-mfa/), how it works, and what to do if they lose access to an authentication factor. Providing [self-service password reset (SSPR)](https://www.miniorange.com/products/self-service-password-reset-sspr) recovery options and backup authentication methods reduces frustration and potential security gaps.

### 5. Integrate with Zero-Trust and Access Control Policies
MFA works best when combined with [zero-trust security](https://www.miniorange.com/blog/tag/Zero%20Trust/) and least-privilege access controls. Instead of granting broad access once authentication is successful, organizations should enforce granular permissions based on user roles and real-time risk assessments. Any unusual access request should prompt additional verification before granting access to sensitive resources.

### 6. Streamline Authentication with Secure Single Sign-On (SSO)
Pairing MFA with [Single Sign-On (SSO)](https://www.miniorange.com/products/single-sign-on-sso) enhances both security and usability. SSO reduces the number of login prompts by allowing users to authenticate once and access multiple systems securely. When combined with MFA, this minimizes login fatigue while maintaining strong identity verification across all platforms.

### 7. Follow Industry Standards for Security and Compatibility
MFA solutions should align with industry standards such as [RADIUS](https://www.miniorange.com/iam/solutions/radius-mfa), [SAML](https://www.miniorange.com/iam/solutions/saml-mfa), and OAuth to ensure seamless integration with enterprise security frameworks. Adopting encrypted authentication protocols and secure API integrations prevents vulnerabilities and enhances interoperability with existing security tools.

### 8. Regularly Monitor and Optimize Security Policies
Threat landscapes evolve, and MFA configurations must adapt accordingly. Organizations should conduct periodic security audits, review authentication logs for suspicious activity, and update MFA policies based on emerging threats. Transitioning from basic MFA to adaptive authentication — which analyzes risk levels in real-time—can further strengthen defenses against unauthorized access.


## Multi-Factor Authentication (MFA) Use Cases {#mfa-use-cases}

### 1. MFA for Secure VPN Access
For organizations with a globally distributed workforce, securing remote access is crucial. Implementing [MFA for VPN access](https://www.miniorange.com/iam/solutions/vpn-mfa-multi-factor-authentication) adds an extra layer of protection, ensuring that only authorized users can connect to the corporate network. This not only strengthens security but also helps with regulatory compliance and operational efficiency.

***Pro Tip: Strengthen remote access security with miniOrange MFA for VPNs!***  
*It works seamlessly with Cisco, Palo Alto, Fortinet, SonicWall, OpenVPN, and more adding an extra layer of authentication beyond passwords to block unauthorized access and keep your network secure.*


### 2. MFA for Windows Logins & RDP Security
Securing Windows logins and Remote Desktop Protocol (RDP) sessions, [windows MFA](https://www.miniorange.com/iam/integrations/windows-multi-factor-authentication-mfa-login) prevents unauthorized access to sensitive systems. The process includes:
- **Configuring RADIUS authentication with miniOrange**
- **Setting up Windows VPN client**
- **Enabling 2FA** using Google Authenticator, soft tokens, or backup codes

This solution seamlessly integrates with Active Directory/LDAP and supports role-based MFA policies, allowing businesses to enforce different authentication requirements based on user roles. Additionally, offline MFA ensures that security remains intact even without an internet connection.

### 3. MFA for Web Applications
Protecting web applications whether [cloud-based](https://www.miniorange.com/iam/solutions/cloud-mfa), on-premise, or hybrid—is critical for modern businesses. miniOrange MFA secures applications by supporting multiple authentication protocols, including SAML, RADIUS, OpenID, and JWT, allowing easy integration with in-house applications. This ensures seamless, secure access while maintaining user convenience.

### 4. MFA for Network Devices & IT Infrastructure
Beyond securing VPNs, MFA can be extended to network devices such as firewalls, switches, and routers, preventing unauthorized access to critical IT infrastructure. miniOrange supports RADIUS and [TACACS+ authentication](https://www.miniorange.in/iam/solutions/tacacs-authentication) protocols, ensuring encrypted authentication without requiring an external proxy. By implementing MFA at the network level, organizations can further enhance security and prevent potential breaches.


## Enhancing Office 365 Security with MFA {#enhancing-office-365-security-with-mfa}
Microsoft's default MFA options are limited, requiring expensive licenses for additional authentication methods. miniOrange [2FA/MFA for Office 365](https://www.miniorange.com/two-factor-authentication-(2fa)-for-office-365) enables seamless integration with Office 365 and other Microsoft apps, offering 15+ MFA methods, including Yubikey, for enhanced authentication flexibility.


## Conclusion {#conclusion}
Multi Factor Authentication (MFA) is essential in today's cybersecurity landscape, offering robust protection against cyber threats. By implementing MFA, businesses can safeguard sensitive data, enhance regulatory compliance, and improve user authentication security. miniOrange provides seamless MFA solutions tailored to various use cases, ensuring flexible and reliable security. [Connect with us](https://www.miniorange.com/contact) to know more about securing your business with MFA. Also, explore our [miniOrange Blog](https://www.miniorange.com/blog/) for more insights. Additionally, check out our blog on [OTP spammers](https://www.miniorange.com/blog/how-to-stop-otp-spam-with-miniorange/) to stay informed about emerging security threats.  

&nbsp;  

## FAQs {#faqs}
### **1. What are two examples of multi-factor authentication?**
Examples include using a password plus an OTP sent via SMS and biometric authentication combined with a security key.

### **2. Can multi-factor authentication be hacked?**
While MFA greatly enhances security, it can still be bypassed using phishing, malware, or social engineering attacks if not properly implemented.

### **3. What is the best example for multi-factor authentication?**
A strong example is logging in with a password and verifying identity using a fingerprint or an authentication app like Google Authenticator.

### **4. How to enable multi-factor authentication?**
MFA can be enabled via security settings in applications, using built-in options or third-party providers like miniOrange for enhanced security.


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Secure your business with Multi-Factor Authentication (MFA). Learn what MFA is, how it works, and how miniOrange protects your workforce and customers with layered access security.

TFA

Secure VPN with Multi-Factor Authentication

What is Multi-Factor Authentication (MFA) and How Does it Work?