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
Oct 15, 2025 | Company News
Securing Legacy OT Data Extraction with OPSWAT MetaDefender Optical Diode (Fend)
Sign up for the OPSWAT Newsletter
Get the latest OPSWAT company updates along with event information and the news that's driving the industry forward.