AV security and integration for financial environments.

Financial organisations invest heavily in network security, endpoint protection and data loss prevention. Physical display interfaces - the HDMI connections between computers, trading systems and screens - frequently sit outside that security perimeter. In regulated environments where data governance, information barriers and operational security matter, that unmanaged boundary deserves the same attention as the rest of the IT estate. Harp Visual works with financial organisations on AV interface security, operations centre display infrastructure and controlled collaboration environments.

Discuss your environment View the HDMI Data Blocker

SECURE CONTROL ROOM

Multiple sources, secured, routed and displayed.

Protected inputs. Encoded streams. Twin output paths to video wall and operator monitor — all under unified control.

LAPTOP WORKSTATION / PC DOCKING STATION CCTV HARP HDMI DATA BLOCKER ENCODER LAN / WAN CLOSED LOOP NETWORK HARP MERLIN PROCESSOR VIDEO WALL SECURE KVM OPERATOR MONITOR COMMANDANT

HDMI Data Blocker

Hardware-enforced display interface control for financial environments.

Financial rooms can place trading systems, visitor devices and shared displays in close proximity while still needing clear information boundaries. The HDMI Data Blocker provides deterministic signal isolation at the physical display interface.

It supports regulated AV environments where HDMI connections need to be controlled without relying on user-installed software, network-managed configuration or user behaviour.

  • Hardware-enforced separation for HDMI display paths
  • Circuit design evaluated within UK Government environments
  • No user-installed software or network-managed configuration
View HDMI Data Blocker
HDMI Data Blocker product

What we deliver for financial environments

Harp Visual designs AV systems for regulated financial environments where display connections, source access and room behaviour need to be predictable. The focus is on trading and operational visibility, secure AV, controlled collaboration and support arrangements that reflect the sensitivity of the environment.

Dual monitor trading desk display setup Trading floors Multi-screen trading spaces with controlled display and visitor connectivity needs.
Financial operations centre display environment Financial operations centres Shared display environments for market data, risk systems and operational feeds.
Executive boardroom environment Executive and board room environments Briefing spaces where confidential information and visitor connections are routine.
Meeting room AV system for regulated briefing environments Regulated briefing and compliance rooms Compliance rooms where controlled presentation and predictable AV behaviour matter.
Business continuity control environment Disaster recovery and business continuity centres Secondary operations spaces that mirror primary display and source workflows.
Control room display environment IT and security operations centres SOC and IT operations rooms for threat feeds, dashboards and infrastructure monitoring.
Secure KVM switch Secure KVM Controlled access to multiple systems without crossover between devices.

Relevant solutions

HDMI Data Blocker product HDMI Data Blocker Hardware-enforced HDMI control for visitor and shared display routes. View data blocker → Meeting room AV environment Secure AV & Collaboration Controlled connectivity and managed display outputs for briefing rooms. Explore secure AV → Control room display environment for operational monitoring Control Room Solutions Financial operations rooms with video walls and source management. View control rooms → Video wall processing hardware MERLIN Processor Video wall processing for live feeds, dashboards and market data. View MERLIN Processor → Secure AV signal flow overview Security & Compliance Plain-language guidance on secure AV and interface risk. View security guidance → AV support package and maintenance environment Maintenance and Support Support packages scoped around operating hours and change windows. View support packages →

Assessing AV security in your financial environment?

Talk to Harp Visual about your environment, your security requirements and where AV interface control fits within your broader information security posture. We can discuss the HDMI Data Blocker, the wider room architecture around it and the support arrangements appropriate for your organisation.

Discuss your environment View the HDMI Data Blocker

Common questions

Direct answers for security, compliance, IT and operations teams assessing AV interface risk in financial environments.

Why are HDMI interfaces a security concern in financial environments?

HDMI connections carry more than a visible video signal. The same interface includes communication channels used for device identification, control and negotiation. In financial environments, these channels may represent an unmanaged data path between connected systems - including between visitor or contractor devices and internal infrastructure. For organisations subject to data governance, information barrier policies or regulatory obligations, an unmanaged physical interface represents a gap in an otherwise controlled security posture.

How does the HDMI Data Blocker support information barrier requirements?

The HDMI Data Blocker enforces hardware-level separation between connected systems at the HDMI interface. Where systems on different sides of an information barrier share display infrastructure, the blocker prevents non-video communication channels from passing between them - providing a physical, hardware-enforced boundary that does not rely on software policy or user compliance.

Does it work with visitor laptop connections?

Yes. The blocker installs inline between the visitor laptop connection and the room display or presentation switcher. Normal HDMI presentation works as expected. Non-video HDMI communication from the uncontrolled device does not pass to connected systems. No configuration is required and the visitor presents normally.

Is it relevant to FCA-regulated environments?

The HDMI Data Blocker is a hardware-enforced interface control relevant to any environment where physical display interfaces are part of the information security risk boundary. Whether it is appropriate for a specific regulatory context depends on the organisation's risk assessment, compliance framework and security architecture. Harp Visual can discuss the device's characteristics and deployment context with compliance and security teams to support that assessment.

What financial organisations has Harp Visual worked with?

Project experience in financial and media environments includes Bloomberg and Reuters. Harp Visual has also delivered operational environments for enterprise and trading-adjacent organisations. We discuss relevant project experience directly with qualified teams where confidentiality permits.

Can Harp Visual design a complete financial operations centre?

Yes. Harp Visual designs and delivers complete operations centre AV infrastructure - video walls, signal routing, source management, operator workstation access, controlled display outputs and long-term support. The same engineering approach we apply to defence and government control rooms is applied to financial operations environments.