Latest Articles
Oct 6, 2026 | Critical Network Security
MetaDefender NetWall™ Fend Optical Diodes: What's New in Firmware 4.3.0
OPSWAT is rolling out firmware 4.3.0 for the MetaDefender NetWall Fend 5/15 series, adding new protocol support, deeper troubleshooting visibility, and a set of quality-of-life improvements and bug fixes for one of the industry's most deployed hardware data diodes.
Sep 21, 2026 | Critical Network Security
How HTTPS and API Calls Work Across a One-Way Data Diode
Sep 4, 2026 | Critical Network Security
MetaDefender Optical Diode Fend XE50 v1.2.0: Secure One-Way Data Transfer Across Isolated Networks
Apr 3, 2026 | Product Announcements
Metadefender Optical Diode (Fend) XE50 1.1.0: Secure HTTP/S, Syslog, and High-Performance Data Flow
Mar 16, 2026 | Critical Network Security
Preventing IT-to-OT Lateral Movement with Data Diodes
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