Top 10 Best Browser Isolation Solutions in 2026

Remote browser isolation executes web content on a remote machine and sends only a safe representation to the user so whatever the page tries to run, it runs somewhere disposable. Menlo Security remains the reference pure-play, Zscaler and Cloudflare deliver isolation as a platform feature at scale, and the category’s real question in 2026 is when to use RBI versus the newer enterprise browsers. Ten options, one decision framework. Definitional answer: RBI runs web sessions in isolated remote containers, streaming pixels or a reconstructed DOM to the local browser; malicious code never executes locally, and the container is destroyed after the session. Isolation became a feature, not a product. Zscaler, Cloudflare, Palo Alto, Broadcom, Forcepoint, and Skyhigh now sell RBI as a policy action inside SSE platforms — often included in upper tiers. Pure-play pricing has compressed accordingly, and standalone vendors have consolidated: Ericom’s isolation now…