Cyber security
Protection that's watching when you aren't.
24/7 managed detection and response from our in-house UK SOC, layered defences across identity, devices, email and data, and the certifications your customers ask for.
It's 19:35 in the UK. Offices closed. Our SOC is still watching.
Managed IT and cyber security, run properly.
MonitoringAn out-of-hours incident, illustrated
- 02:14 Suspicious sign-in flagged on a finance mailbox
- 02:15 Session revoked and account locked
- 02:21 Analyst confirms credential phishing
- 02:38 Password reset, MFA re-enrolled, report sent
Run it. Protect it. Prove it.
Managed IT, 24/7 cyber security, business automation and independent cyber assurance under one roof, from one group. No finger-pointing between suppliers, and no need to hire a separate firm to certify you.
Certified. Accredited. Recognised.
Clipeum IT, in numbers
- 31specialists across the group
- 3Offices across Norfolk, Suffolk and Hertfordshire
- 24/7our own security operations centre, watching around the clock
A quick test
Questions your IT provider should already have answered.
If any of these made you pause, you're not alone. Most businesses we meet have a provider who fixes things when they break, and not much else. You deserve more than that.
Check your IT in 5 minutesWhen did they last sit down with you for a strategic business review?
TAM and vCIOWould your backups actually bring you back? How fast?
ContinuityHave they built your risk register with you, cyber risks included?
Cyber securityHas anything they've done made your business measurably faster?
Automation
Managed IT
Support that prevents, not just fixes.
Proactive monitoring and maintenance, UK engineers who pick up the phone, and a technical alignment manager and vCIO planning your roadmap every quarter.
Business automation
Less admin. More business.
Power Platform apps, Copilot and document workflows that take repetitive work off your team's plate, built secure because we run your security too.
Cyber assurance
Don't just say you're secure. Prove it.
Penetration testing, vulnerability scanning, Cyber Essentials, IASME and DCC certification, data protection and incident response from CRIBB, our own accredited Certification Body.
AISP, our all-in-one plan
Stop paying 4 suppliers to blame each other.
AISP puts support, monitoring, 24/7 security operations, backup, Microsoft 365 and quarterly strategy into a single plan with one price per person. One team, one number to call, nothing important left as an add-on.
Everything in the plan
- Helpdesk, monitoring and patching
- 24/7 SOC and managed detection and response
- Backup, recovery and continuity
- Microsoft 365 managed and secured
- Quarterly TAM and vCIO reviews
- Security awareness training
- Cyber Essentials certification, assessed by our own Certification Body
Out of hours
When your office goes quiet, we don't.
Attackers favour evenings and weekends, when fewer people are watching. Our security operations centre monitors your endpoints, email, identities and cloud around the clock, with real analysts making the calls.
50%
Rise in “highly significant” cyber attacks
National Cyber Security Centre, 2025£195k
Potential cost of a significant attack to a UK business
KPMG estimate24/7
In-house UK SOC, monitoring and responding
Clipeum ITDetect
Unusual behaviour flagged across devices, identities, email and cloud.
Contain
The device or account isolated straight away.
Investigate
An analyst confirms what happened and what it touched.
Recover
Access restored, credentials reset, gaps closed.
Report
A clear write-up of what happened and what changed.
Defence Cyber Certification
91days until 31 December 2026, the date the MOD has signalled for Level 0.
Built for the defence supply chain.
Much of our work is with defence manufacturers and the businesses that supply them. We're an accredited DCC Level 0 Certification Body, and we help organisations get Cyber Essentials, Cyber Essentials Plus and DCC in place before their contracts demand it.
- L03 controls, plus CEWe certify this level
- L1101 controls, plus CE
- L2139 controls, plus CE Plus
- L3144 controls, plus CE Plus
Customers
Customers who've stayed for a decade tend to mean it.
They fully understood our security requirements and were able to deliver their solution, which met the needs of our customer security requirements. We have been extremely pleased with their cheerful help desk support and their dedication to helping us in our IT projects.
Free dark web exposure report
See what's already out there about your business.
Stolen passwords, leaked mailboxes and exposed logins for your domain, pulled from criminal marketplaces and breach dumps. We'll send you a plain-English report of what we find, and what to do about it.
The group
3 respected firms. One team.
Clipeum IT brings together Onyx IT, REACT Computer Partnership and CRIBB Cyber Security: deep regional roots across Norfolk, Suffolk and Hertfordshire, supporting customers nationwide.
Onyx IT
Norwich, Norfolk
Strategic IT and business cyber defence, trusted by Norfolk businesses since 1989.
REACT Computer Partnership
Woodbridge, Suffolk
Measurably better IT support since 1997, and home to much of our Power Platform expertise.
CRIBB Cyber Security
Hertfordshire
Our cyber assurance arm: penetration testing, certification and data protection, and a UK government-backed Certification Body since 2016.
Insights
Worth a read.
Practical guidance on security, IT and AI for businesses without a security department.
Cyber security
Cyber Essentials or Cyber Essentials Plus: which one do you actually need?
The 2 certifications share the same 5 controls. The difference is who checks, and who's asking you for it. An assessor's view.
Cyber security
What actually happens in a penetration test
Hoodies and green text are for films. Here's what a real, authorised test of your business looks like, step by step.
Company news
Clipeum IT is now a Defence Cyber Certification Level 0 Certification Body
We're now accredited to assess organisations for DCC Level 0, the new baseline for the UK defence supply chain.
Know a business that deserves better IT? When they join, you both receive a credit equal to one month's support fees, up to £1,000.
How referrals workTalk to a person who knows IT, not a script.
Tell us what's frustrating you about your IT or security. We'll give you an honest view of what we'd change, whether or not you work with us.