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Plug-and-play hardware mitigation SilentGlass released to block malicious video interface attacks

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The UK National Cyber Security Centre (NCSC) has publicly released SilentGlass, a plug-and-play hardware device designed to block malicious or unexpected content at the HDMI and DisplayPort interfaces between source devices and monitors. Deployed first on UK government estates and now available globally, SilentGlass is positioned as a low-cost mitigation against attacks leveraging compromised or malicious video streams to exfiltrate data, inject payloads, or pivot into protected networks. The device is approved for use in high-threat environments and is manufactured by Goldilock Labs in partnership with Sony UK.

Timeline

  1. 22.04.2026 18:00 1 articles · 1h ago

    SilentGlass released as commercial mitigation against malicious video interface attacks

    The NCSC publicly released SilentGlass on April 22 at CYBERUK 2026, a plug-and-play hardware device designed to block malicious or unexpected content at HDMI and DisplayPort interfaces. The device, developed in partnership with Goldilock Labs and Sony UK, has been deployed on UK government estates and is now commercially available for global adoption. It is approved for use in high-threat cybersecurity environments.

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