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MetaDefender Media Firewall

Next-Level Removable Media Security Enforcement for Critical Systems

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

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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.
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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

MetaDefender Media Firewall
MetaDefender Media Firewall
Hardware
Hardware Mounting VESA 75
Software
Software Supported File Formats FAT, NTFS, Ext
Connectivity
Connectivity Supported Media Types
  • 1x USB 3.0 Type C
  • 1x USB 3.0 Type A
  • 1x SD card slot
  • 1x Micro SD card slot
  • 1x CF card slot
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.”

Alan Taylor
CSIA, Dounreay
Nuclear Restoration Services

“We’re using MetaDefender there to scan everything as we build it, to make sure we’re not becoming that supply chain risk.”

Jeremy Morgan
Global Cybersecurity Manager at Hitachi Energy

Technical Documentation

Explore the full technical landscape of MetaDefender Media Firewall — everything you need to understand, implement, and optimize.

Getting Started

Setup
Step by step instructions on the initial setup and configuration options.

Deployment & Usage

Operating
Detailed documentation on how to use the product.
Reports
Details on how to view and understand reports.

Support

Troubleshooting Guide
How to investigate product issues.

Unlock the Full Potential of Our Products

Dive into OPSWAT Docs today for in-depth guides,troubleshooting tips, and valuable references.
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Stop USB-Borne Threats
Before They Reach Critical Systems

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Trusted by 2,000+ businesses worldwide.