Award-Winning Cybersecurity // For Businesses Who Want a Different Approach

CYBER
SECURITY /
DONE
DIFFERENT.

The best time to stop a cyber attack is before it happens. We do the security so you can focus on growing your business.

Free M365 Security Assessment Find a Solution
43%
UK businesses hit
by cyberattack
DSIT Breaches Survey 2025
£3.29M
average UK
data breach cost
IBM Cost of a Data Breach 2025
60%
of breaches linked to
unpatched vulnerabilities
Rapid7 Threat Landscape 2024
204
nationally significant
cyber attacks in 2025
NCSC Annual Review 2025
// Find Your Solution
01
Setting up a new company
→
02
Want to improve Microsoft 365 security
→
03
Want to improve Google Workspace security
→
04
Entering the Defence sector
→
05
Need Cyber Essentials compliance
→
06
We've had a cyber incident
→
07
Need to take a fresh look at our cyber strategy
→
// The Problem

YOUR IT PROVIDER
CAN'T DO IT.
YOUR SECURITY TOOL
WON'T PREVENT IT.

Most organisations have some sort IT provider keeping the lights on - an external provider, an internal team, or just someone doing their best. Many companies also have a security service or product watching for threats. But there's a critical gap between them that neither fills.

IT Provider
Manages hardware, software and cloud services. Focus is availability and uptime. Cyber security is not their core expertise — and reactive by nature. They fix things after they break.
RISK
Nobody is proactively managing your security posture. This gap is where most cyber incidents happen.
Detection Service
Monitors for suspicious activity and reacts when something is found. Reactive tools can only respond to what's already happening — they don't prevent the conditions that allow breaches.
// The Answer

LET US
CLOSE THE GAP.

At Nova Blue we do things differently. We look at the whole picture - and importantly we don't just tell you or your IT provider how to make you more secure - we get in the trenches and do the work to harden your systems, applications, devices and identities. Then we monitor your estate 24/7, ready to respond in case something does get through.

01
Identify
We understand your environment, ways of working and priorities — focusing on what matters most.
02
Protect
We rapidly deploy baseline security controls, then continuously refine your posture against emerging threats.
03
Detect
Because we manage the posture, we detect anomalies faster. We monitor 24/7 across your full estate.
04
Respond
We're there 24/7 to respond when things get through — containing incidents before they escalate.
05
Recover
We support recovery, help understand what went wrong, and close the gaps that allowed it to happen.
// Our Services

SECURITY BUILT
AROUND YOUR
BUSINESS.

Four capabilities designed to work together. Start where you are — scale as you grow.

01
MIDAS
Managed Security for Microsoft 365 or GWS
Full-spectrum managed security as a service for Microsoft 365 or GWS environments. We assess, harden, monitor and respond — continuously deploying and refining security configurations to respond to new threats. Available in five tiers from micro businesses to enterprise.
M365 Security XDR Email Security Device Monitoring Phishing Simulations DLP
Explore MIDAS →
02
ATLAS
Enterprise SIEM/SOAR for Your Whole Estate
24/7/365 SIEM/SOAR managed service built on Microsoft Sentinel. For organisations that need to protect on-premises or non-M365 cloud infrastructure, networking devices, and Operational Technology.
Microsoft Sentinel SIEM/SOAR Threat Intelligence OT Security Incident Response
Explore ATLAS →
03
EXPERTIS
Strategic Advisory & Fractional CISO
Advisory services for organisations that need strategic security leadership without the full-time cost. Fractional CISO, maturity assessment, strategy development, and table-top exercising — delivered by former government and military cyber experts.
Fractional CISO Risk Management Maturity Assessment Strategy Board Reporting
Explore EXPERTIS →
04
AEGIS
Operational Cyber Security for Defence
Operational cyber security for the UK defence supply chain. AEGIS brings your environment up to defence standard, protects it, and produces the evidence that proves it — taking you to the Cyber Risk Profile your contracts require under CSM v4 and DCC. Sold as AEGIS Level 0–3, with a free readiness assessment.
DefStan 05-138 DCC CSM v4 Cyber Essentials
Visit Defence Site ↗
Explore All Services →
// Who We Support

TRUSTED BY THOSE
WHO BUILD.

We work with founders, operators and investors across defence technology, financial services, aerospace, professional services and manufacturing — from pre-revenue startups to established businesses.

shadowlink
Janus
Tiberius
Raven
DSRB
WovenLight
// Case Study
Defence Tech Startup
shadowlink, a newly launched dual-use defence tech company, needed security built in from day one — not bolted on later. We deployed a fully hardened Microsoft 365 environment within hours and had them Cyber Essentials certified within a week.
Secure M365 environment live same day. Cyber Essentials certified in under one week.
// Case Study
Financial Services / Private Equity
A data-driven private equity firm needed board-level confidence in their cyber posture. We designed and delivered a comprehensive security programme — building resilience from the ground up and producing the evidence their partners needed to see.
Demonstrated maturity to LP partners. Established cyber risk as part of operational decision making.
// Case Study
Aerospace & Technology
An aerospace technology startup needed a security foundation built for their stage and ambition. Case study details coming soon.
Full case study — coming soon.
View All Case Studies →
// Why Nova Blue

BUILT BY PEOPLE
WHO KEPT THE
NATION SAFE.

Nova Blue was founded by former GCHQ, MOD and military cyber security experts. We bring that same rigour to the businesses that need it most — without the complexity or cost of an enterprise programme.

  • 01
    National Security Pedigree
    Our team includes former GCHQ, MOD and military cyber experts who spent careers inside the systems, threat environments and frameworks that businesses now navigate. We know how nation-state adversaries operate — because we tracked them.
  • 02
    We Do the Work
    We don't produce reports and leave. We deploy, configure, monitor and respond — acting as your security team, not just your advisers. Most of our clients don't have a dedicated security function, so we become it.
  • 03
    Prevent Before Cure
    Reactive detection tools respond to what's already happening. We manage the security posture proactively — reducing the attack surface before threats materialise. Prevention is cheaper than recovery.
  • 04
    Anglo-Canadian Reach
    Operating across UK and Canadian defence and commercial ecosystems. We understand both procurement frameworks, regulatory environments and the distinct threat landscapes facing businesses in both markets.
Business of the Year 2024
Gloucestershire Business Awards
Cyber Business of the Year 2024
Gloucestershire Business Awards
Cyber Essentials Plus
Blockmark certified — independently verified
G-Cloud 14 Approved Supplier
Crown Commercial Service framework
Up to Developed Vetting (DV)
Personnel cleared for sensitive environments
CISSP & CISM Certified
Leading professional certifications
FREE
// Free M365 Security Assessment

YOUR FIRST
MOVE IS FREE.

On Microsoft 365? VANGUARD, our free security assessment, scans your tenant and shows you exactly where your setup falls short, in plain language and with no obligation to proceed.

1
Ten-Minute Setup
A Global Administrator gives VANGUARD access to read your configuration. We make no changes, and you decide when our access ends.
2
We Scan Your Tenant
We check your Microsoft 365 configuration for misconfigurations, missing controls and overly permissive settings.
3
Gaps Ranked by Risk
A clear list of the highest-risk gaps, ranked by severity, with a plain-language explanation of what each means for your business.
4
Prioritised Next Steps
What to fix first. Whether you work with us or handle it yourself, you leave with a clear picture of where to start.
Start Your Free M365 Scan
Get in Touch
// Questions, projects or a second opinion
We never share your data