Comparing Zscaler and VPN: Which Is the Best Option for Your Business?

Are you looking for a secure way to access your business data while maintaining privacy? Two popular options that businesses use are Zscaler and VPN. Both solutions provide a secure way of accessing business data, but their features and functionalities differ. In this article, we will delve into Zscaler and VPN features, security measures, performance and speed, scalability, and flexibility. We will help you decide which solution will work best for your business.

Understanding Zscaler and VPN

What is Zscaler?

Zscaler is a cloud-based solution that provides secure access to your business’ applications and data through the internet. It uses multiple security protocols and has over 150 data centers globally.

With Zscaler, your business can ensure that its data and applications are secure, even when accessed remotely. Zscaler’s cloud-based approach means that your employees can securely access your company’s resources from anywhere in the world, without the need for a traditional VPN.

Zscaler’s cloud-based architecture also means that it can provide real-time threat protection, blocking malicious traffic before it reaches your network. This can help to reduce the risk of data breaches and other security incidents.

What is a VPN?

VPN, or Virtual Private Network, is a secure connection that allows remote access to a company’s servers and data through the internet. It creates a virtual network that connects employees to the company’s network, enabling them to work remotely.

A VPN works by encrypting all data that is transmitted between the employee’s device and the company’s servers. This helps to ensure that the data is secure and cannot be intercepted by unauthorized users.

VPNs are particularly useful for businesses that have employees who need to work remotely. With a VPN, remote employees can securely access the company’s resources, such as files and applications, from anywhere in the world.

However, VPNs can be complex to set up and maintain, and can be expensive to operate. They can also be slow, particularly when accessing resources that are located far away from the employee’s location.

Overall, both Zscaler and VPNs are important tools for businesses that need to provide secure remote access to their employees. While VPNs have been the traditional approach to remote access, cloud-based solutions like Zscaler are becoming increasingly popular due to their ease of use and real-time threat protection.

Key Features of Zscaler and VPN

Zscaler Features

Zscaler is a cloud-based security solution that offers a range of features to help mitigate security risks. One of its key features is the Secure Web Gateway, which provides advanced threat protection and content filtering for web traffic. This ensures that employees can access the internet safely and securely, without the risk of malware or other cyber threats.

Another important feature of Zscaler is the Cloud Firewall. This provides a layer of security between the internet and the organization’s network, preventing unauthorized access and protecting against cyber attacks. It also provides granular control over network traffic, allowing administrators to set policies and rules to ensure that only authorized traffic is allowed to pass through.

Zscaler also offers a Cloud Sandbox, which is a virtual environment where potentially malicious files can be safely analyzed. This helps to identify and block threats before they can cause any damage to the organization’s network or data.

In addition to these features, Zscaler provides Cloud Application Control, which allows administrators to monitor and control the use of cloud applications within the organization. This helps to ensure that sensitive data is not being shared inappropriately, and that employees are using cloud applications in a secure and responsible manner.

Zscaler also offers Cloud SSL Inspection, which allows organizations to inspect encrypted traffic for threats. This is important because many cyber attacks are now being carried out using encrypted traffic, which can bypass traditional security measures.

Finally, Zscaler provides Cloud Access Security Brokerage (CASB), which helps organizations to secure their use of cloud services. This includes monitoring and controlling access to cloud applications, as well as providing visibility into how those applications are being used.

VPN Features

A Virtual Private Network (VPN) is another important security solution that businesses of all sizes can use to protect their networks and data. VPNs provide a secure, encrypted connection between remote users and the organization’s network, allowing employees to work from anywhere without compromising security.

One of the key features of VPNs is remote access, which allows employees to securely connect to the organization’s network from anywhere in the world. This is particularly important for businesses with remote workers, as it allows them to access company resources and work securely from home or on the go.

Another important feature of VPNs is site-to-site connectivity, which allows multiple locations to be connected securely over the internet. This is important for businesses with multiple offices or locations, as it allows them to share resources and communicate securely.

VPN also provides a range of security features to protect against cyber attacks. For example, VPNs have an endpoint security feature that protects against malware and other threats. This helps to ensure that devices connecting to the organization’s network are secure and do not pose a risk to the network or data.

Overall, both Zscaler and VPN provide important security features that can help businesses to protect their networks and data. By using these solutions together, organizations can create a comprehensive security strategy that covers all aspects of their network and data security.

Security and Privacy

Security and privacy are two of the most important aspects of any online activity. In today’s digital age, the internet is a crucial part of our daily lives, and we rely on it for communication, work, entertainment, and much more. However, with the increasing use of the internet, cyber threats have become more prevalent, and it is essential to take appropriate security measures to protect ourselves and our data.

Zscaler Security Measures

Zscaler is a cloud-based security platform that provides advanced security solutions to protect users from cyber threats. It offers a range of security measures, including scanning all traffic for viruses and malware, blocking access to malicious websites, and enforcing acceptable use policy.

Zscaler’s machine learning algorithms and traffic classification are used to identify suspicious activity and prevent cyber threats. This helps to ensure that users are protected from both known and unknown threats.

Moreover, Zscaler’s security measures are regularly updated to keep up with the latest cyber threats and provide the best possible protection to users.

VPN Security Measures

A Virtual Private Network (VPN) is a secure and private network that allows users to access the internet securely and privately. VPNs offer a range of security measures to protect users from cyber threats.

One of the primary security measures used by VPNs is encryption. Encryption is the process of converting data into a code to prevent unauthorized access. VPNs use encryption protocols to secure data transmitted over the internet, making it difficult for cybercriminals to intercept and decipher the data.

VPNs also offer endpoint security features such as anti-virus, anti-malware, and intrusion detection systems to mitigate risks. These features help to ensure that users are protected from cyber threats such as viruses, malware, and hacking attempts.

Overall, VPNs provide a secure and private way to access the internet, and their security measures help to protect users from cyber threats.

Performance and Speed

Zscaler Performance

Zscaler’s performance is optimized through local caching, content filtering, and compression algorithms. Zscaler also uses a content delivery network (CDN) to distribute content globally for fast access.

VPN Performance

VPN’s performance is dependent on the internet connection speed and the VPN provider’s infrastructure. Factors that can affect performance include high traffic volumes, distance, and quality of the service provider’s network.

Scalability and Flexibility

Scaling with Zscaler

Zscaler is a cloud-based solution that is highly scalable and flexible. It can accommodate businesses of varying sizes and types of users, including mobile devices and internet of things (IoT) devices. Zscaler also offers customization options to suit individual business needs.

Scaling with VPN

VPN can accommodate businesses of varying sizes and user types, but it requires substantial infrastructure and setup to support a large number of users. It also needs to be configured for different types of devices, which can be complex for some businesses.


Choosing between Zscaler and VPN depends on your business needs, security concerns and performance requirements. Both solutions provide secure ways of accessing business data through the internet, but they differ in features, security measures, performance, scalability, flexibility, and cost. It’s crucial to evaluate your business needs and consider the benefits and limitations of each solution to determine what will work best for your business.