
MetaDefender Media Firewall™
MetaDefender Media Firewall™ is OPSWAT’s removable media scanning enforcement solution that prevents unscanned media and devices from reaching critical systems. It enforces hardware-based validation for removable media processed by MetaDefender Kiosk™, protects air-gapped networks, and supports compliance requirements without requiring software installation on host systems.
- No Software Installation Required
- 5 Media Types Supported
- Boot Sector Protection
OPSWAT is Trusted by
Next-Level Removable Media Security Enforcement for Critical Systems
OPSWAT’s MetaDefender Media Firewall is an easy-to-use appliance that works with MetaDefender Kiosk to secure critical host systems from removable media-borne cyberattacks.
Media Firewall ensures that the boot sectors and file contents of inserted portable media are thoroughly inspected, audited, sanitized, and approved prior to use.
- Supports 5 media types: USB-A, USB-C, SD, MicroSD and CF
- Automatically blocks unprocessed or compromised files.
- Provides boot sector protection for the host system.
- Requires no software installation on the SCADA/HMI host system.
- Helps organizations align with compliance standards: NERC CIP, NIST 800-53, ISA 62443, and ISO 27001.
Product Overview
Learn how MetaDefender Media Firewall works with MetaDefender Kiosk to inspect, sanitize, and control
removable media, ensuring only verified media can access IT and OT systems.

Block Unverified Before
They Reach Critical Systems
with 5 Media Types Supported
Centralized Reporting via My OPSWAT™ Central Management
Operates in Air-Gapped
Environments
No Software Installation Required
Secure Data Writing
Boot Sector Protection
Port Alarm-Protection
Protecting Your Endpoints in Three Simple Steps
Insert
MetaDefender Media Firewall accepts five of the most common removable media types: USB 3.0 Type-C and Type-A, SD, MicroSD, and Compact Flash.
Analyze
MetaDefender Media Firewall analyzes the contents of the inserted media and verifies if they were scanned and processed by MetaDefender Kiosk.
Access
Only verified files are allowed to be transferred and used by the host computer or SCADA System. Unverified files remain blocked.
A Critical Line of Defense
MetaDefender Media Firewall adds a hardware-based enforcement layer that validates the contents of removable media processed by MetaDefender Kiosk™, ensuring only scanned and approved media can access critical systems in secure IT and OT environments.

Full Endpoint Functionality
Make the most out of your machine’s capabilities. With MetaDefender Media Firewall connected to your endpoint, there’s no need to disable media ports.
Defense-in-Depth
Add an additional layer of protection to your removable media strategy, securing endpoints from unscanned media.
Reduced Risk
Prevent removable media-borne cyberthreats with MetaDefender Media Firewall connected to your endpoints.
Technical Specifications

| Hardware | ||
|---|---|---|
| Hardware | Mounting | VESA 75 |
| Software | ||
| Software | Supported File Formats | FAT, NTFS, Ext |
| Connectivity | ||
| Connectivity | Supported Media Types |
|
| Power | 12VDC 36W power supply | |
| Physical | ||
| Physical | Dimension [W x H x D] | 180mm x 45mm x 200mm |
| Weight | 1,068 g | |
| Material | Metal and ABS | |
| Regulatory | ||
| Regulatory | Certification & Compliance | FCC, IC, VCCI, UKCA, CE, UL/cUL |

“We've gone from blocking removable media to a fully integrated solution that can deal with scanning and securing removable media.”

“We’re using MetaDefender there to scan everything as we build it, to make sure we’re not becoming that supply chain risk.”
Technical Documentation
Getting Started
Deployment & Usage
Support
Unlock the Full Potential of Our Products
Take a Deeper Dive Into the
MetaDefender Media Firewall
Learn more about OPSWAT’s Peripheral Media Protection solutions in their resource library.

MetaDefender Media Firewall Datasheet
MetaDefender Media Firewall Quick Start Guide
MetaDefender Media Firewall Documentations
Strengthening Vendor Laptop Security
Proven Deployments in Energy and Utilities
Proven Deployments in Manufacturing
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