(Image credit: NCSC) The UK’s Government Communications Headquarters (GCHQ), a counterpart to the U.S.’s National Security Agency (NSA), just launched SilentGlass through the National Cyber Security Center (NCSC). This little gadget was announced during CYBERUK, a government-sponsored cyber security conference, and is designed to block malicious traffic traveling between a display and a PC. According to the NCSC , it built and designed this plug-and-play device to protect government estates and has been “approved for use in the most high-threat environments.” The government has since licensed the design to Goldilock Labs, a UK-based cybersecurity firm that specializes in hardware that automatically cuts physical connections during a cyberattack, limiting potential damage to a network. It has partnered with Sony UK Technology Center to make the product available globally, although the firm has yet to put the product publicly available on the market.…