TL;DR: The MOD is raising the bar on cyber security — and it affects your business too. Defence Cyber Certification (DCC) Level 0 is now mandatory for all MOD suppliers. The new Def Stan 05-138 Issue 4 extends the scope beyond MOD data to the entire supply chain — including suppliers' suppliers. Cyber Essentials certification is a baseline requirement at every DCC level. If you work with MOD-connected organisations, you may already be in scope — and not know it. The Ministry of Defence has quietly moved the goalposts on cyber security — and ...