COLUMBIA, Md., Dec. 17, 2025 /PRNewswire/ -- Sealing Technologies (SealingTech), a Parsons Corporation company (NYSE: PSN), and leading defensive cyber operations solution provider, received a contract modification from the Department of War's (DoW) Defense Innovation Unit (DIU) for accreditation, training, testing, and additional procurement of the company's Joint Cyber Hunt Kit (JCHK) prototype. The defensive cyber solution is being developed for the United States Cyber Command, as well as the United Kin ...