CISO Tribune

Vendor comparison · 2 companies

Seraphic Security vs SquareX

Seraphic Security sells Falcon Seraphic Enterprise Browser, which extends Zero Trust browser protection and connectivity to managed and unmanaged devices. SquareX sells a Browser Detection and Response (BDR) solution that organizations use to detect, mitigate and threat-hunt client-side attacks. CISO Tribune files both under Browser protection extensions. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Seraphic Security
  • SquareX
Seraphic Security vs SquareX: Products, Customers and Funding Compared
Seraphic SecuritySeraphic Security sells Falcon Seraphic Enterprise Browser, which extends Zero Trust browser protection and connectivity to managed and unmanaged devices.seraphicsecurity.comSquareXSquareX sells a Browser Detection and Response (BDR) solution that organizations use to detect, mitigate and threat-hunt client-side attacks.sqrx.com
What it sells
  • Falcon Seraphic Enterprise Browser[2][3][5]Adds runtime browser security to protect users, applications and data and guard against AI-related risks, on both managed and unmanaged devices, without replacing the browser itself.
  • Browser Detection and Response (BDR)[2][7][9]Detects, mitigates and threat-hunts client-side web attacks against employees in real time.
  • SquareX Browser Extension (Enterprise Browser)Installs as an extension that turns any browser on any device into an enterprise-grade secure browser.
  • Browser DLP[2]Applies data loss prevention controls inside the browser to secure any browser on any device.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
2020[4]Not stated on its pages
Ownership and funding
Owned by CrowdStrike[2]Owned by Zscaler since 2026[3][10]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • January 13, 2026CrowdStrike announced it is acquiring Seraphic Security Ltd., a browser security startup that protects enterprise employees' browsers from online threats.[6]
  • February 6, 2026Zscaler announced its acquisition of SquareX, a Singapore-based browser detection and response technology startup.[10]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, SquareX sells mainly to organizations that want to detect, mitigate and threat-hunt client-side attacks. SquareX describes access for contractors and BYOD users through a containerized browser session. SquareX describes developer environments built from containerized desktops tailored to each developer or team. SquareX access controls work across managed, unmanaged and BYOD devices.
Last verified
November 2, 2026November 2, 2026

Where they overlap

  • Browser protection extensions is the primary category of both Seraphic Security and SquareX.

Where they differ, field by field

  • SquareX is also filed under Data loss prevention.
  • Seraphic Security lists Falcon Seraphic Enterprise Browser. SquareX lists Browser Detection and Response (BDR), SquareX Browser Extension (Enterprise Browser) and Browser DLP.
  • Seraphic Security was founded in 2020.
  • Seraphic Security is owned by CrowdStrike. SquareX is owned by Zscaler, since 2026.

How they differ

CISO Tribune files both Seraphic Security and SquareX under Browser protection extensions as their primary category. Seraphic Security sells Falcon Seraphic Enterprise Browser, which adds runtime browser security for users, applications and data on managed and unmanaged devices without replacing the browser itself. CISO Tribune also files SquareX under Data loss prevention.

Seraphic Security's product protects users, data and AI interactions in the browser, and security teams manage it from the Falcon console alongside endpoint, identity and SaaS. Browser activity and alerts from Seraphic Security's product flow into CrowdStrike Falcon® Next-Gen SIEM. SquareX runs entirely in the browser, works with Chrome, Edge, FireFox and Safari, and does not require a custom browser. SquareX also describes containerized browser sessions for contractors and BYOD users, and containerized desktops for developers.

Seraphic Security was founded in 2020 and is owned by CrowdStrike, which announced its acquisition on January 13, 2026. SquareX is owned by Zscaler, which announced its acquisition of the Singapore-based company on February 6, 2026.

Questions about Seraphic Security and SquareX

What do Seraphic Security and SquareX sell?
Seraphic Security sells Falcon Seraphic Enterprise Browser. SquareX sells Browser Detection and Response (BDR), SquareX Browser Extension (Enterprise Browser) and Browser DLP.
Are Seraphic Security and SquareX in the same category?
Yes. Browser protection extensions is the primary category of both on CISO Tribune.
When were Seraphic Security and SquareX founded?
Seraphic Security was founded in 2020.
Who owns Seraphic Security and SquareX?
Seraphic Security is owned by CrowdStrike. SquareX is owned by Zscaler, since 2026.
Who are Seraphic Security and SquareX sold to?
From its own pages, SquareX sells mainly to organizations that want to detect, mitigate and threat-hunt client-side attacks.
What have Seraphic Security and SquareX announced recently?
January 13, 2026: CrowdStrike announced it is acquiring Seraphic Security Ltd., a browser security startup that protects enterprise employees' browsers from online threats. February 6, 2026: Zscaler announced its acquisition of SquareX, a Singapore-based browser detection and response technology startup.

About Seraphic Security

Seraphic Security sells Falcon Seraphic Enterprise Browser, which extends Zero Trust browser protection and connectivity to managed and unmanaged devices.[5]

Falcon Seraphic Enterprise Browser protects users, data, and AI interactions in the browser, across managed and unmanaged devices. Falcon Seraphic Enterprise Browser also protects access, data, identities, and AI in the browser without changing how users work.[3][5]

Falcon Seraphic Enterprise Browser addresses a setting in which apps, identities, data, and AI are targeted directly inside the employee workspace, the browser.[5]

Security teams manage browser security from the Falcon console alongside endpoint, identity, and SaaS. Browser activity, policy matches, and alerts flow into CrowdStrike Falcon® Next-Gen SIEM, so the SOC investigates browser threats in its existing workflows.[5]

Users keep their preferred browsers and devices while security teams gain consistent visibility and control.[5]

Falcon Seraphic Enterprise Browser extends identity-first secure access to employees, contractors, and partners on managed or unmanaged devices. Falcon Seraphic Enterprise Browser continuously verifies the user inside the browser session so access can adapt in real time based on identity, behavior, and risk.[1][5]

Seraphic Security on the record

Sources

Seraphic Security full record

  1. [1]Crowdstrike to acquire seraphic securityCrowdStrike · crowdstrike.com · published January 13, 2026 · Tier A
  2. [2]Crowdstrike named frost sullivan 2026 global enabling technology leader zero trust browsing securityCrowdStrike · crowdstrike.com · published July 1, 2026 · Tier A
  3. [3]seraphicsecurity.comCrowdStrike · seraphicsecurity.com · undated page, accessed September 27, 2026 · Tier A
  4. [4]BjhljcmhzxCalcalist · calcalistech.com · published January 13, 2026 · Tier B
  5. [5]Falcon Seraphic Enterprise Browser | Secure Access in Any BrowserCrowdStrike · undated page, accessed October 31, 2026 · Tier A
  6. [6]CrowdStrike acquires browser security startup Seraphic Security for $400MSiliconANGLE · published January 13, 2026 · Tier B

SquareX full record

  1. [1]Squarex discloses architectural limitations of browser devtools in debugging malicious extensions 302518583SquareX via PR Newswire · prnewswire.com · published July 31, 2025 · Tier A
  2. [2]sqrx.comSquareX · sqrx.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Zscaler acquires squarexZscaler · zscaler.com · published February 5, 2026 · Tier A
  4. [4]Showcasing our Industry-First BDR Solution in Singapore | by SquareX | SquareX LabsSquareX Labs · published October 23, 2024 · Tier A
  5. [5]An Evening of Browser Security: SquareX’s RSAC Networking Dinner | by SquareX | SquareX LabsSquareX Labs · published May 7, 2025 · Tier A
  6. [6]SquareX | Browser Detection and Response (BDR) SolutionSquareX · undated page, accessed October 28, 2026 · Tier A
  7. [7]SquareX: Pioneering Browser Detection and Response (BDR)SquareX · undated page, accessed November 10, 2026 · Tier A
  8. [8]SquareX Receives the Technology Excellence Award by SBR in Cybersecurity, Internet and New Media Category | by SquareX | SquareX LabsSquareX Labs · undated page, accessed November 10, 2026 · Tier A
  9. [9]6 Reasons Why Enterprises Are Shifting from VDI to SquareX | by Engineering @ SquareX | SquareX LabsSquareX Labs · undated page, accessed November 10, 2026 · Tier A
  10. [10]Zscaler extends zero-trust security to browsers with SquareX acquisition | CSO OnlineCSO Online · published February 6, 2026 · Tier B

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