Zscaler , a leading cybersecurity company , today announced the acquisition of SquareX , a browser security company . The acquisition will strengthen Zscaler’s ability to deliver comprehensive browser security solutions.

This will increase security and eliminate the need to use third-party browsers.
SquareX is known for its innovative solutions that allow users to browse the web more securely, protecting their data from malicious attacks and threats. SquareX's technology is based on an approach that allows for the isolation of threats in real time, without affecting the user experience.
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SquareX claims that its browser extension effectively manages threats such as malicious extensions, phishing, genAI data leakage, insider threats , and more, directly within the browser environment.
With this acquisition, Zscaler intends to integrate SquareX technologies into its existing solutions, offering its customers a more complete and secure browsing experience. The extensions that will be developed will be lightweight and easy to install, allowing users to enjoy increased security without the need for complex configurations or changes to the way they use the Internet.
With the technology provided by SquareX, Zscaler says it will be able to extend security to unmanaged devices, allowing organizations to secure users within their preferred browser – such as Google Chrome and Microsoft Edge.

“Enterprises have historically relied on legacy VPNs and VDI, but these technologies are fundamentally flawed and fraught with security risks,” said Jay Chaudhry, CEO, President and Founder of Zscaler. “With SquareX, Zscaler is deepening the capabilities of its Zero Trust ExchangeTM platform into standard browsers, such as Google Chrome or Microsoft Edge, to stop threats without having to develop a separate enterprise browser.”
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“With our connection to Zscaler, we will enable organizations to secure SaaS and private apps on any device – managed or BYOD – without compromising productivity,” said Vivek Ramachandran, founder of SquareX. “This approach allows IT leaders to replace expensive, insecure legacy access tools with precise Zero Trust policies that protect data and AI interactions based on an organization’s specific risk profile.”
Zscaler acquires SquareX as cyber threats intensify
This move comes at a time when cyber threats are constantly increasing and businesses are looking for new ways to protect their data and ensure the security of their systems. Zscaler, with the acquisition of SquareX, reaffirms its commitment to providing the most advanced security solutions to its customers.
The integration of SquareX technologies is expected to be completed in the coming months, with Zscaler planning to introduce new capabilities and features that will security browser. Zscaler customers will be able to benefit from these new solutions, enjoying increased protection and security while browsing the web.
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Zscaler's acquisition of SquareX was completed on February 5, 2026, adding to several other recent acquisitions.
In November 2025, Zscaler announced plans to acquire AI security company SPLX. In recent years, it has also acquired Red Canary, Avalor , and AirGap Networks.
