Metric 01
250+
Find weak points, block attacks, and train staff to spot scams.
UK CYBER DEFENCE
UK Cyber Defence
We check your network, fix weak spots, and help you act fast when a threat lands. Built for UK SMEs, startups, and professional firms that need clear security help.
Metric 02
48 hrs
Find weak points, block attacks, and train staff to spot scams.
Metric 03
4.8/5
Find weak points, block attacks, and train staff to spot scams.
HOW IT WORKS
Four Steps To Safer Systems
Full review of network access, devices, and weak points, with a clear fix list.
3-5 day turnaround
Network Security Audit
From £750
Full review of network access, devices, and weak points, with a clear fix list.
Weekly scans
Vulnerability Scanning
From £450
Same-day triage
Incident Response
From £1,500
01One office or remote
Endpoint Protection
From £950
Secure laptops and desktops with setup, policy checks, and update rules.
02Half-day setup
Firewall Setup
From £1,200
Set up firewall rules that match your users, apps, and remote work needs.
0390-min session
Phishing Training
From £650
Live staff training that shows how to spot fake emails and risky links.
SERVICES
Security Services For UK Teams
We review devices, users, and network paths to find the gaps that matter most.
01
Check Your Setup
02
Map The Risks
03
Fix Weak Points
04
Stay Ready
CASE STUDIES
Recent UK Security Wins
Quarterly network audit Monthly vulnerability scan Firewall rule review One phishing session Priority action list
Billed monthlyBilled monthly
Starter
From £499/mo
- Quarterly network audit
- Monthly vulnerability scan
- Firewall rule review
- One phishing session
- Priority action list
Most popularBilled monthly
Signature
From £1,250/mo
- Monthly network audit
- Weekly vulnerability scans
- Endpoint protection setup
- Firewall tuning
- Two phishing sessions
- Compliance support call
Scoped to sitesScoped to sites
Scale
From £3,500/mo
- Daily threat monitoring
- Incident response retainer
- Multi-site endpoint rollout
- Firewall setup across sites
- Compliance support pack
- Staff phishing drills
WHAT CLIENTS SAY
Trusted By UK Teams
Audit reports helped the firm close key gaps before its client review.
Law Firms
Law Firm Closed Major Gaps
Audit reports helped the firm close key gaps before its client review.
SaaS
Startup Cut Phish Clicks
Accountants
Accountants Tightened Access
Healthcare
Clinic Locked Down Laptops
Creative Agencies
Agency Passed Security Review
Network audits and risk
Amira Khan
Fast breach triage
Daniel Price
UK SME policy checks
Sophie Mercer
Staff drills and reports
Tariq Bennett
Proof
Customer notes
Verified
“Fast audit, clear fixes, and no jargon. Our team knew the next step right away.”
Olivia Grant
Operations Director, Greenford Law
Verified
“Nyx Security closed our weak spots and gave us a plan we could use that week.”
Marcus Bell
Founder, North Dock Apps
Verified
“The phishing training was simple and useful. Staff spotted test emails much faster.”
Priya Shah
Practice Manager, Rivergate Clinic
Service area
London
City of London, Westminster, Camden, Southwark
Area 01
London
City of London, Westminster, Camden, Southwark
Area 02
South East England
Reading, Guildford, Oxford, Brighton, Portsmouth
Area 03
East of England
Cambridge, Norwich, Ipswich, Chelmsford
Area 04
West Midlands
Birmingham, Coventry, Wolverhampton, Solihull
Journal
Security Notes For Leaders
Computers Electronics and TechnologyAug 22, 2026
Mobility robots can help with access, but the route still matters
Questions
Common Questions
Quick answers before visitors choose a product, service, or next step.
01Who do you work with?+
We work with UK SMEs, startups, law firms, accountants, clinics, and other teams that hold client data.
02Do you offer one-off audits?+
Yes. We can run a one-off audit, share the risk list, and help your team fix the top issues.
03Can you help after a breach?+
Yes. We assess the issue, contain the spread, gather logs, and guide your next steps.
04Do you help with UK compliance?+
Yes. We support GDPR, Cyber Essentials prep, and basic policy checks for smaller firms.
05How fast can you start?+
Most audits start within five working days, and urgent incident work starts much sooner.
06Do you train staff too?+
Yes. We run short phishing sessions and give your team simple rules they can use right away.
Get Security Notes
Get short emails on threats, patching, phishing, and simple fixes for UK SMEs.