UK NCSC Launches SilentGlass to Mitigate HDMI Security Threats
SilentGlass, developed by Goldilock Labs and Sony UK Technology Centre, aims to protect against HDMI cyber threats. The device is targeted at critical infrastructure operators and government entities to enhance security measures.
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The UK National Cyber Security Centre (NCSC) has introduced SilentGlass, a device designed to prevent HDMI and DisplayPort attacks by blocking unauthorized traffic between computers and displays. Already deployed in government facilities, this product targets critical infrastructure sectors including energy, transport, and defense.
SilentGlass functions by monitoring and filtering communication channels, ensuring only legitimate screen communications are processed. Following a 2024 study revealing the feasibility of remote screen data extraction via HDMI emissions, the NCSC's initiative highlights the growing need for robust cybersecurity in environments previously considered secure. This marks a significant shift in the role of intelligence agencies, now producing commercial security solutions.
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