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Protected Browser

Run risky web sessions somewhere else.

Sophos Protected Browser runs web content in an isolated cloud browser and streams only safe pixels back to the user. Malware, drive-by exploits, and phishing kits never touch the endpoint - even when the user clicks the link.

Key Capabilities

Browser isolation without changing the user’s browser

Users keep using the browser they already know. Sophos quietly routes risky sessions through the isolation layer when policy says to. No new browser to install, no extension to push.

Remote browser isolation

Web pages render in a disposable cloud browser. Only rendered pixels and safe DOM stream back to the user’s actual browser. Active content never reaches the endpoint.

Category-based policy

Define which URL categories trigger isolation: unknown / uncategorized, social media, file-share, gambling, adult, anything else you choose. Other traffic browses directly.

Per-session controls

Lock down what isolated sessions can do: disable clipboard, prevent downloads, block printing, allow read-only mode. Right-size the controls per category or per user group.

Zero install on endpoint

No new browser, no extensions, no kernel hooks. Existing Chrome, Edge, Firefox, or Safari sessions are routed through isolation transparently when policy applies.

BYOD-friendly

Protected Browser works on managed and BYOD devices alike. You get isolation for risky URLs even on personal devices you can’t enroll in UEM.

Sophos Central integration

Policies, alerts, and session reporting live in Sophos Central alongside endpoint, network, and email events. One console for the whole stack.

Deep Dive

How isolation breaks the malware delivery chain

Most web-borne malware works the same way: the user’s browser fetches the page, the page’s active content (JavaScript, embedded objects, downloads) runs locally, and the payload finds a vulnerability or social-engineers a click. Isolation breaks step two.

  • The user clicks a risky URL. A phishing link, an unknown site, a download from a flagged category - whatever your policy considers risky.
  • The request gets routed through Sophos. Protected Browser intercepts the navigation transparently and opens the page in a disposable cloud browser instead.
  • Active content runs in isolation. JavaScript executes, downloads start, ads load - all inside the cloud sandbox. The endpoint sees none of it.
  • The user sees a pixel stream. Visually identical to a normal browser session. They can read, click, type, submit forms - but no code reaches their machine.
  • Session ends, sandbox vaporizes. When the user closes the tab or session times out, the entire cloud browser is destroyed. Any malware that landed dies with it.
User browser safe pixels Cloud browser malware contained Endpoint stays clean
Who Deploys It

When isolation earns its place

Isolation is overkill for everything; right-sized for some things. These are the patterns we see customers deploy most.

1

Risky URL categories

Personal mail, social media, file-share, and uncategorized sites - the categories where most drive-by malware lives. Isolate those by default, let everything else browse normally.

Lower attack surface, no UX hit
2

Contractors & BYOD

Devices you can’t enroll in endpoint management. Isolation gives you a way to enforce safe browsing even on machines outside your fleet.

Posture without enrollment
3

High-value users

Executives, finance, IT admins, anyone with elevated access. Isolation everywhere for these users gives a strong second layer against targeted phishing.

VIP-grade protection
Pairs Well With

Stacks naturally with the rest of the workspace

Protected Browser is most effective alongside the other workspace controls that decide WHICH URLs to isolate in the first place.

Sophos Workspace Protection
Bundle

Workspace Protection

If you want Protected Browser plus Endpoint, Mobile, ZTNA, DNS, and Email Monitoring under one license, the bundle is usually cheaper than buying separately.

Sophos DNS Protection
DNS

DNS Protection

The natural pair: DNS Protection blocks domains outright; Protected Browser isolates the rest. Together they form a layered safe-browsing posture.

Sophos Endpoint Protection
Endpoint

Endpoint Protection

Last-line defense if anything slips past isolation: the same Intercept X agent catches whatever lands on the endpoint, isolated or not.

Ready to put isolation in front of risky URLs?

Request per-user pricing for Protected Browser, or talk to our team about which URL categories make the most sense to isolate first in your environment.