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If cyber espionage via HDMI worries you, NCSC built a device to stop it

ID: a4ec146f-fbc9-5680-bb57-c95ebefba55e

STIX ID: report--a4ec146f-fbc9-5680-bb57-c95ebefba55e

Feed Name: Help Net Security

Date Published: 2026-04-23

Date Updated: 2026-04-28

Author: Sinisa Markovic

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The National Cyber Security Centre (NCSC) announced SilentGlass, a plug-and-play device designed to protect HDMI and DisplayPort connections from potential cyberattacks. Manufactured under licence by Goldilock in partnership with Sony UK Technology Centre and approved for high-threat environments, the device aims to secure monitors—highlighted as attractive attack vectors—by providing an affordable, easy-to-deploy mitigation for governments and businesses.

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