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OT & Industrial Cybersecurity

Create Secure File, Device and Unidirectional Data Transfer Processes

MetaDefender USB Firewall

Providing another option for securing and controlling portable media use in Critical Infrastructure

The MetaDefender USB Firewall from OPSWAT provides another option for safely and securely leveraging the productivity advantages, flexibility, and convenience of portable media in IT or OT SCADA environments.

Complementing OPSWAT’s MetaDefender Kiosk, MetaDefender Vault, and the OPSWAT Client for Windows, Linux, and Mac, the MetaDefender USB Firewall provides a plug-and-play, no install, no software footprint path to securing portable media; ensuring the boot sector and file contents of portable media are inspected, audited, sanitized, and approved prior to use.


  • Automatically blocks unprocessed or compromised files
  • Portable Media Security assists in Policy, Regulation, and Standards Compliance to include NERC CIP, ISA 62443, NIST 800-53, NIST 800-82, and ISO 27001
  • No software install required; perfect for locked down HMI SCADA application environments
  • Boot Sector Protection
  • Works with the MetaDefender Kiosk Manifest to Audit Files


USB Media types support▪ USB Type A
▪ USB 2.0 High speed
Regulatory▪ CE

Supported File Formats

Power▪ Supply: 5V DC via USB Wall Adaptor (minimum 2A)
▪ Active consumption: 1A @ 5V (5W)
▪ Standby consumption: 500mA @ 5V (2.5W)
Material Aluminum and ABS
Dimensions125mm x 80mm x 23mm