Why your "invisible" networks decide whether you win defence and government contracts - Business Focus
For an ambitious small business, the defence, government and critical-infrastructure supply chain is one of the most attractive growth markets in the UK. The contracts are larger, the relationships last. . .
For an ambitious small business, the defence, government and critical-infrastructure supply chain is one of the most attractive growth markets in the UK. The contracts are larger, the relationships last longer, and the buyers are far less likely to disappear in a downturn. Yet many capable SMEs never get through the door, and the reason is rarely price or capability. It is security accreditation. As cyber threats have grown, large public-sector and defence buyers have pushed their security requirements down through the supply chain to even the smallest subcontractor. If you cannot demonstrate that you can protect sensitive information, you will not be shortlisted, however good your product is. The upside is that the reverse is also true: get security right, and you unlock a whole tier of higher-value work your competitors simply cannot bid for. Accreditation is the new entry ticketDepending on the buyer and the sensitivity of the work, you may be expected to holdCyber Essentials Plus, meet the requirements set out inJSP 440(the Defence Manual of Security), or comply with frameworks such asGovS 007. Businesses working with US defence programmes may also encounterCMMCandNIST SP 800-171. The language is off-putting, but the principle is simple. Buyers want documented, auditable proof that you handle their data responsibly, not a verbal assurance. Treating these frameworks as a commercial requirement rather than an IT afterthought is the mindset shift that separates the SMEs that win this work from those that watch it go elsewhere. Where growing businesses actually trip upThe hardest requirements to meet are rarely the ones covered by everyday IT hygiene like strong passwords, patched software and staff training. Those matter, but most businesses already manage them. The gaps that cost contracts tend to be physical and offline. They involve the isolated environments used to handle sensitive material — theclassified networkswhere standard, cloud-era security thinking does not apply. These systems are deliberately cut off from the internet, so data still moves in and out on USB drives and other removable media. A single unchecked device carried in by a contractor or engineer can introduce malware directly into a protected system, bypassing every firewall, and undo an entire accreditation in the process. This is exactly the kind of control auditors scrutinise, and exactly the kind of risk many SMEs overlook because it does not fit the familiar picture of a cyber attack arriving over the network. A practical readiness checklistBefore you bid for sensitive work, it’s worth asking:Do we know the standard?Confirm which framework the contract requires before you commit resources. Can we prove it, not just claim it?Auditors want audit trails and documented processes, not good intentions. Have we covered the physical entry points?Removable media, visitor devices and offline systems are common blind spots. Is security owned by someone?Assign clear responsibility rather than leaving it to chance. Security as a growth investment, not a grudge costThe businesses that thrive in this market stop thinking of security spending as overhead and start treating it as a route to revenue. Every requirement you can meet is a door your competitors cannot open. Accreditation is difficult precisely because it filters out the unprepared, which is what makes it so valuable once you have it. If you are eyeing the defence or public-sector supply chain, treat security as part of your growth strategy from the outset. It is not the barrier to the opportunity. Increasingly, it is the opportunity.