Bern (CH), Theale (UK); 20.12.2016. The RUAG Defence division is acquiring the British Cyber Security specialist Clearswift. With this acquisition, RUAG is making a significant investment in the expansion and long-term development of its cyber security business. Clearswift’s leading products will be a significant addition to the RUAG Defence Cyber Security business unit. As previously announced, the business unit will be headed by cyber security expert Dietmar Thelen as of 1 January 2017.