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K402/E K404/E 2/4 Ports SecureKVM Combiner
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What is KVM Combiner?

There are many cases where one computer user needs to work simultaneously with few computers. The Secure KVM Combiner designed to provide users with native windowing environment across isolated networks. Connected computers may operate at different isolated networks having different security levels without exposing the organization to the risks of information leakage through the KVM. HSL K40x device uses advanced video processing technology to draw a high resolution dynamic “mosaic” of images generated by different computer sources. Built-in video sources isolation forces unidirectional flow of data through the USB and DVI ports. The product was designed and certified National Security agencies. It is the only product available in the market today that truly resolves (in hardware) the challenge of users working simultaneously in multiple networks having different security levels. More information>

KVM Combiner typical screen

Combiner screen with tiles

Why K40x?

KVMs becoming a target for cyber attacks as they may be the only possible link to bridge between isolated classified networks and networks open to the internet. Many high security organizations adopting secure KVMs as part of their cyber protection strategy, in some cases this effort is not enough. Second-Generation Secure KVMs sold in the market today have documented vulnerabilities that may cause data leakages between connected computers with different security levels.

HSL’s Secure KVM is the industry’s first 3rd Generation Secure KVM. This product offers the highest possible separation between 4 connected computers. The K40x Secure KVM designed to meet the requirements of organizations that are challenged by the need to provide secret or top-secret network access together with unclassified or internet access.

The K40x series KVM uses unidirectional optical data-diodes to prevent any potential leakage between the highly-isolated peripheral channels. This KVM can also be used to securely filter and lock USB ports preventing data export / import through mass-storage devices by hardware.

RDC (Remote Desktop Controller) port enables simple interface with HSL's RDC440 controller. Using the K40x with RDC440 users can control and monitor the Secure KVM remotely and enjoying color LCD with programmeable network/computer names. For more information see RDC440 page.

HSL K40x is an essential tool for heavy users challenged by frequent switching between isolated networks. The integration of up to 2 / 4 isolated sources into one combined display improves the usability and situational awareness. This product resolves in a highly secured way challenges that other resolve through virtualization at great security risks. The K40xE provides a dedicated peripheral port to securely support bi-directional devices such as smart-card reader or touch screen. Product passed extensive security evaluation through all forms of known KVM attacks. Unlike other secure KVMs in the market today HSL KVMs were designed to securely operate with the assumption that two of the connected computers are infected by a hostile code that is constantly trying to attack the KVM.

Overview Models Specs Photos Download Order  

  • Works simultaneously with 2 / 4 isolated networks User can work in a single display while accessing 2 / 4 isolated networks having different security levels through windows. The only secure solution available today for seamless operation in isolated networks.

  • Highest security by design Designed by an agency to support isolation between national security networks. Common Criteria EAL 4+ approved (pending). Derivative of a TEMPEST product used in NATO nuclear submarines.

  • Hardware Based peripheral protection/isolation Absolutely no dependency on firmware or software. All firmware is in ROM (Read Only Memory). No keyboard buffering or memory. More than 60dB isolation between channels.

  • Unidirectional optical data diodes used to secure USB peripherals isolation. Data can flow from devices to host only. No reverse data flow possible by physics. Can be used between widest security gaps.

  • User authentication device port Special USB port that supports CAC and other user authentication devices including wide range of biometric readers. User can decouple this port from KVM switching to remain authenticated on one channel if needed.

  • Real-time and real quality video No quality loss, latency, reduced colors. By far the fastest digital video processing technology available in any KVM today.

  • Peripherals security full USB devices filtering to assure support for keyboard and mouse only.

  • Future-proof - supports widest variety of peripherals and computers Supports latest keyboards, mice and card readers. Support computers with all Operating Systems.

  • Active anti-tampering always-on active anti-tampering with 10 years battery. Special holographic tampering evident labels.

  • Remote Desktop Controller special port to enable remote controller accessory -  RDC440 (more information>). Secure KVM can be installed at distant location and connected through a cable.

  • KVM Extenders Support HSL Secure KVM Switch supports most copper and fiber KVM extenders connected to the console port.
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