UK Cyber Alert: Why SME Firmware Is the New Front Line

When most business owners in South Yorkshire and beyond think about cyber security, they envision firewalls, password changes, and antivirus software. However, a significant shift in the threat landscape is occurring right beneath the surface. At Jibba Jabba, we are seeing an increasing number of sophisticated attacks targeting 'firmware'—the foundational software embedded in your hardware, such as routers, printers, and server motherboards. This isn't just a technical quirk; it’s a critical security gap that could bypass traditional software-level defences entirely.
The Growing Threat of Edge Device Vulnerabilties
Recent data from the UK's National Cyber Security Centre (NCSC) indicates that state-sponsored actors and high-level cybercriminal groups are increasingly moving away from traditional phishing and towards exploiting 'Edge Devices'. These are the pieces of hardware that sit on the perimeter of your business network. Because these devices often run 24/7 and are rarely restarted or updated by the average SME, they provide a persistent 'backdoor' for intruders.
Unlike a standard virus that might be caught by Windows Defender, a firmware exploit lives in the hardware itself. If a hacker gains control at this level, they can monitor your entire network traffic, steal credentials, and even remain on your system after a full server reinstall.
Why UK SMEs are Now the Primary Targets
In the past, these types of 'below-the-OS' attacks were reserved for high-value government targets. However, the democratisation of hacking tools has brought this threat to the local high street. We are observing three main reasons why UK SMEs are currently in the crosshairs:
- The 'Set and Forget' Culture: Many businesses install a high-end router or network-attached storage (NAS) and don't touch the internal software for years.
- Supply Chain Lag: Older hardware often reaches 'End of Life' (EoL) without the owner realising it, meaning the manufacturer no longer releases security patches.
- Outdated Cyber Essentials Compliance: While many businesses hold Cyber Essentials certification, they often focus on software updates while neglecting the firmware of their peripheral devices.
New Regulations: The PSTI Act 2024
It is important to note that the UK government has recognised this risk. The Product Security and Telecommunications Infrastructure (PSTI) Act 2024 has recently come into full effect. This legislation mandates that manufacturers of connectable products must meet minimum security requirements, such as banning default passwords and being transparent about how long a product will receive security updates.
While this protects you when buying new equipment, it highlights the inherent danger of the legacy hardware currently sitting in your office. If your office router is more than four or five years old, it likely doesn't meet these new standards and could be your weakest link.
Actionable Steps to Secure Your Infrastructure
Securing your business doesn't always require a massive capital investment. Often, it's about changing your operational habits. Here is what we recommend to our clients at Jibba Jabba:
1. Auditing Your 'Invisible' Assets
Create a registry of every device connected to your network that isn't a PC or a phone. This includes printers, VoIP desk phones, smart thermostats, and network switches. If you don't know it's there, you can't secure it.
2. Implementing a Patch Management Schedule
We advise that firmware updates are treated with the same urgency as Windows Updates. Check for manufacturer updates at least once a quarter. Many modern devices have an 'auto-update' feature; ensure this is toggled on wherever possible.
3. The Principle of Least Privilege
Does your office printer really need access to the open internet? Probably not. By 'segmenting' your network, you can ensure that even if a device is compromised, the attacker is trapped in a small part of your system and cannot reach your sensitive financial data or client records.
"Cyber security is no longer just about protecting the software on your screen; it is about securing the very silicon your business runs on."
How Jibba Jabba Can Support Your Business
Navigating the complexities of firmware, network segmentation, and the PSTI Act can be overwhelming for business owners who have a company to run. At Jibba Jabba, we specialise in comprehensive managed IT support that looks at the whole picture—from the cloud down to the physical hardware.
We help our clients by conducting deep-dive security audits and managing the lifecycle of their hardware, ensuring that no device becomes a silent gateway for criminals. Whether you are based here in Doncaster or anywhere across the UK, we can ensure your infrastructure is resilient against these modern, low-level threats.
Frequently Asked Questions
Related Articles
Need Expert IT & Cyber Security Support?
Get in touch and our team will help you find the right solution.
Contact Us

