R&S®Browser in the Box vs Windows Sandbox
Last updated October 2026
Looking for a European alternative to Windows Sandbox? Here's how R&S®Browser in the Box compares, on EU hosting, GDPR and what it does.
Our pick for a European buyer: R&S®Browser in the Box. We weight data residency, GDPR and EU jurisdiction above everything else — that is the constraint this directory exists to solve.
What it is
Isolates browsers in a hardened VM to block malware and data leaks
Creates an isolated desktop environment for safely testing untrusted applications on Windows.
Headquarters
🇩🇪 DE
🇺🇸 US · 1975
EU data residency
Yes, for all customers
Not offeredRuns locally on the user's device; no cloud hosting or regional data residency options.
DSGVO / GDPR
Yes
not established
Certifications
ISO/IEC 27001, BSI VS-NfD, IT Security Made in Germany
No
Price from
No
No
Free plan
No
No
Open Source
No
No
Ratings
No
No
Integrations
Mozilla Firefox, Google Chrome / Chromium, Microsoft Windows, Linux, Microsoft Terminal Server / VDI
No
Where each one wins
R&S®Browser in the Box
Strengths
- +BSI-certified client-side virtualization with strict OS isolation
- +Malware quarantined in a locked-down Debian Linux VM, separated from host OS and intranet
- +Automatic reset on reboot ensures a sanitized, virus-free state
- +Docs in the Box feature for safely opening untrusted attachments
- +Virtualized webcam/microphone support for secure video conferencing (Teams, Zoom, Jitsi)
- +Familiar Chromium/Firefox-based browser experience with minimal end-user training
- +Central administration via R&S® Trusted Objects Manager (TOM) for policy deployment
Limitations
- −Performance overhead due to background VM, slower startup and page rendering
- −Compatibility conflicts with local VirtualBox installations in some setups
- −Delayed upstream browser and plugin updates compared to vanilla releases
Windows Sandbox
Strengths
- +Lightweight and fast to spin up
- +Effective for testing untrusted software safely
- +No persistent state reduces risk of malware
Limitations
- −Not available on Windows Home edition
- −Requires compatible hardware for GPU virtualization
- −Limited to local execution; no cloud-based sandboxing
Data residency & compliance
R&S®Browser in the Box
Windows Sandbox
EU data residency
Yes, for all customers
Not offeredRuns locally on the user's device; no cloud hosting or regional data residency options.
Transfer mechanism
Not required — data stays in the EU
not established
DPA
not established
not established
Sub-processors
not established
not established
Certifications
ISO/IEC 27001, BSI VS-NfD, IT Security Made in Germany
No
Features
R&S®Browser in the Box
- Virtualization & Isolation
- Full VM encapsulation with hardened Debian-based Linux, Automatic session sanitization and stateless reset on close/restart, Network and intranet separation to prevent lateral movement
- Threat Prevention & Data Protection
- Blocks malicious code, ransomware, zero-day exploits and APTs pre-execution, Isolates malicious links and attachments from email or active web content, Disables telemetry and tracking services for confidentiality
- Central Management & Deployment
- Granular policy control via central management system, Supports local workstation and multi-user terminal server architectures, Enterprise-wide configuration enforcement
Windows Sandbox
- Isolation & Security
- Lightweight disposable desktop environment, Deletes all software, files, and state on close, Uses hardware-based virtualization for isolation
- Configuration & Automation
- Configure via .wsb files (networking, folders, clipboard), Supports logon commands and command-line usage, Dynamic base image reuses host OS files
- Hardware & Performance
- GPU virtualization support with compatible hardware, Minimal overhead due to integrated kernel scheduler