Your Business Is a Target. We Make Sure It’s Untouchable.
Cybersecurity isn’t a checkbox — it’s operational freedom.
When you’re protected by professionals, your business moves forward with confidence, not caution.
At QuantumSabre, cybersecurity isn’t a service — it’s a mission.
Our team is built from former special forces and offensive security professionals, not business executives. We bring discipline, precision, and complete operational integrity to every engagement.
Every member holds Enhanced DBS clearance. Every system is locked with zero-trust principles.
We don’t wait for threats — we eliminate them before they reach you.
When you see this…
it’s already too late.
Military-Grade Managed Security Services (MSS)
Sentinel. Guardian. Vanguard. One Mission: Total Protection.
QuantumSabre’s Managed Security Services are built for one purpose: to protect your business from threats before they surface.
From 24/7 live threat hunting to zero-trust cloud hardening, our MSS units provide layered, intelligence-driven defense — operated by cyber professionals trained in real-world conflict.
Whether you need continuous monitoring, red teaming, or full-spectrum security command, we deploy the right unit to secure your digital perimeter.

SENTINEL (Core Protection) – from £1,995 + VAT /month
Essential cybersecurity for SMBs needing foundational protection. Who is it for?
Small businesses with no in-house security team.
Organizations needing basic compliance (Cyber Essentials, GDPR).
Companies with low cybersecurity maturity.
What’s included? 24/7 Security Operations Center (SOC) Monitoring – Continuous network surveillance.
Next-Gen Endpoint Detection & Response (EDR/XDR) – AI-powered threat detection.
Firewall & Network Security Management – Ensures robust perimeter security.
Dark Web Monitoring – Alerts if company data is leaked or sold online.
Phishing & Email Security Protection – Blocks email-based attacks.
Monthly Security Reports & Risk Assessments – Keeps you informed on vulnerabilities.
Incident Response SLA: 24-Hour Response Time
Best for: Startups & SMBs needing affordable, essential security.

GUARDIAN (Proactive Defense) – from £4,900 + VAT /month
Advanced cybersecurity for mid-sized businesses needing deeper protection and compliance. Who is it for?
Businesses handling sensitive data (finance, healthcare, legal, etc.).
Companies with compliance requirements (ISO 27001, NIST, PCI-DSS).
Organizations needing threat detection & automated response.
What’s included?
All SENTINEL features plus:
Advanced SIEM & Log Correlation – Detects and stops threats in real-time.
Threat Hunting & Anomaly Detection – Identifies unknown risks before they cause harm.
Monthly Vulnerability Scanning & Patch Management Support – Keeps software updated.
Phishing Simulation & Employee Security Training – Reduces the risk of human error.
Custom Security Policy Development – Helps meet ISO 27001, PCI-DSS, and NIST standards.
Quarterly Security Review Meetings – Keeps your security roadmap on track.
Incident Response SLA: 4-Hour Response Time
Best for: Businesses needing proactive cybersecurity & compliance.
Penetration Testing & Red Teaming – Simulate real-world attacks to expose vulnerabilities before adversaries exploit them.
Our operators think like attackers — because they’ve been trained to.
Incident Response & Mitigation – If a breach occurs, we move immediately to contain, investigate, and eliminate the threat.
No escalation. No chaos. Just controlled countermeasures.
Dark Web Monitoring – Identify leaked credentials, compromised data, and underground threat chatter — before it becomes a weapon against you.
Security Architecture Design – Deploy a military-grade security framework tailored to your organisation’s risk profile.
Engineered for resilience. Hardened by design.
Cyber Risk Assessments – Pinpoint your blind spots.
We identify and eliminate weaknesses before attackers do.
Secure Your Business with Elite Cybersecurity
QuantumSabre doesn’t sell tools.
We deliver mission-grade cyber defense — built from experience in military operations and real-world digital warfare.
When the threats are real, second-tier protection isn’t just risky — it’s reckless.
ARE YOU READY TO UPGRADE TO REAL CYBERSECURITY?
Recognizing and Avoiding Phishing Emails: Essential Training for SMBs
This concise training video highlights the common tactics used in phishing attacks and provides actionable tips to help businesses identify…
How LinkedIn Sales Navigator’s AI and Automation Are Failing Legitimate Users – and Why Cybersecurity Needs Professionals Who Understand Both
Automation and artificial intelligence (AI) are transforming industries, from marketing to cybersecurity. While these technologies promise efficiency and scalability, they…