Now Accepting 3 New Clients for May Onboarding
Zero fluff. Full coverage. Encrypted from day one.
★★★★★ “Sentinel caught threats our old system missed.” – Marcus L., A.M. Ltd. ★★★★★ “Reports are compliance-ready.” – Fiona R., B.C. Solutions ★★★★★ “Vanguard gave us real red team insight.” – Adrian V., N.S. Group ★★★★★ “IAM hardening was flawless.” – Rachel D., B.P. Systems ★★★★★ “Dark web alerts saved us.” – Simon J., O.F. Ltd. ★★★★★ “Unmatched subscription-level service.” – Olivia M., H.C. Ltd. ★★★★★ “Sentinel Pro lets me sleep again.” – Nick B., L.C. Systems ★★★★★ “Vanguard saved our reputation.” – Carla E., A.S. Group ★★★★★ “Setup was smooth and hardened IAM instantly.” – Emma T., R.K. Enterprises ★★★★★ “The monthly reports make compliance easy.” – Derek J., F.L. Finance ★★★★★ “24/7 monitoring means fewer fire drills.” – Jason M., W.C. Technologies ★★★★★ “Our first pentest with Vanguard found real gaps.” – Sarah B., D.T. Group ★★★★★ “QuantumSabre is the first vendor that felt like a security partner.” – Julian K., Z.N. Manufacturing

What Services Does QuantumSabre Offer?

QuantumSabre delivers elite, military-grade cybersecurity services tailored for small to mid-sized organisations that demand precision, discretion, and uncompromising protection. We don’t provide cookie-cutter solutions — every engagement is mission-driven.

  • Penetration Testing — Simulated attacks to identify and exploit vulnerabilities before adversaries do.
  • Red Team Engagements — Full-scope adversarial simulations to test your organisation’s real-world readiness.
  • Managed Security Services (Sentinel, Guardian, Vanguard) — 24/7 monitoring, real-time threat response, and advanced protection tiers.
  • Incident Response & Mitigation — Rapid deployment of experts to contain, neutralise, and investigate active threats.
  • Security Architecture & Strategy — Design and harden your infrastructure for long-term resilience and compliance.
  • Cybersecurity Training & Awareness — Educate staff and executives to defend against phishing, social engineering, and more.
  • Compliance Alignment — Ensure your operations meet standards like ISO 27001, SOC 2, GDPR, and more.*

*QuantumSabre leverages internationally recognised standards and certifications to deliver trusted protection — without disclosing third-party providers.

🛡️ How is QuantumSabre Different from a Typical Managed Security Provider (MSSP)?

Most MSSPs offer reactive services, templated reports, and generic recommendations. QuantumSabre operates differently — because we were forged in a different world.

  • Special Forces Background — Our leadership and analysts are trained in real-world combat and national-level cyber defense operations. We approach every engagement like a live mission.
  • Custom, No-Fluff Intelligence — No auto-generated reports. Every recommendation is threat-modelled, human-analyzed, and business-aligned.
  • Maximum Anonymity & Operational Security — From encrypted comms to compartmentalized access, we treat your digital environment like a classified asset.
  • Elite-Only Focus — We don’t work with just anyone. We protect organisations where failure is not an option — and security must be absolute.
  • Real Outcomes, Not Metrics — We don’t measure our success by how many alerts we send. We measure it by how many breaches never happened.

QuantumSabre doesn’t just monitor — we intervene, harden, and neutralise threats with the same precision as a black-ops team.
That’s not managed security. That’s mission security.

🚨 Do You Offer Emergency Incident Response if I’m Not a Current Client?

Yes. If you’re under attack, you don’t need to be a signed client to request immediate help. QuantumSabre’s rapid response team is on standby to deploy tactical containment and mitigation operations — even for non-contracted businesses.

  • Fast Activation — Use our encrypted contact form to trigger emergency triage. We’ll verify the situation and respond rapidly.
  • Containment & Neutralisation — Our specialists isolate the threat vector and stop lateral movement before data loss escalates.
  • Post-Breach Consulting — After neutralisation, we guide you through next steps including forensics, patching, and reporting.

If you’re being breached, contact us immediately. We respond without delay — because every second matters.

🌐 Do You Work with International Clients or Only UK Businesses?

QuantumSabre is based in the United Kingdom — but our reach is global. We provide remote and hybrid cybersecurity services to clients across Europe, the Middle East, North America, and beyond. Geography doesn’t limit our operational capability.

  • Global Response Capability — Our incident response and monitoring teams operate across time zones with 24/7 coverage.
  • Regulatory Alignment — We tailor our services to regional compliance frameworks like GDPR, HIPAA, and PCI-DSS.
  • Secure Communication — All operations use encrypted communication protocols and follow strict operational security procedures, regardless of location.

Based in the UK. Operating worldwide. Precision cybersecurity — without borders.

📋 What’s the Onboarding Process When I Become a QuantumSabre Client?

When you engage QuantumSabre, we move with precision and purpose. Our onboarding is designed to deploy protection fast, without delays or friction — while maintaining total operational security.

  • Initial Briefing — We schedule a secure kickoff call to identify your business objectives, threat landscape, and current security posture.
  • Environment Recon — Our engineers map your systems, identify exposures, and gather telemetry using secure remote methods.
  • Protective Layer Deployment — Core defenses are deployed — including monitoring agents, log collectors, and access control policies.
  • Baseline Risk Report — You receive a comprehensive overview of exposures, vulnerabilities, and recommended controls.
  • Client Secure Channel Setup — We establish encrypted comms (email, chat, phone) and access controls for secure collaboration going forward.

Onboarding is fast, secure, and handled by operators — not salespeople. You’re protected from Day One.

⚡ How Fast Can I Be Protected After Signing Up?

We move fast — because threats don’t wait. Once engagement is confirmed, initial protection can be deployed within hours.

  • Same-Day Initiation — Most clients receive first-line protection (threat monitoring, secure comms, critical patch review) within the first 24 hours.
  • Rapid Agent Deployment — Core monitoring, logging, and access controls can be pushed remotely after verification.
  • Zero-Delay Intelligence — Threat intel and risk insights begin streaming immediately after telemetry is active.

No red tape. No drawn-out onboarding. We deploy protection on Day One — not Week One.

Do I Need a Consultation Before Booking a Service?

Consultation is required and highly recommended. QuantumSabre operates with precision, and we believe in understanding your specific environment before deploying any solution.

  • Optional Briefing — A short tactical call helps us align our services with your risk profile and operational goals.
  • Rapid Intelligence Gathering — Even a brief intake gives us the intel needed to deploy the right countermeasures.
  • Mission-Ready Deployment — If you already know what you need, we’ll execute immediately — no delay, no sales pitch.

Tactical briefings are optional — but always beneficial. You choose the level of engagement. We deliver the protection.

What Security Standards and Certifications Does QuantumSabre Follow?

QuantumSabre adheres to the highest international standards in cybersecurity, compliance, and data protection. We don’t just aim for checkboxes — we implement real-world frameworks trusted by military, financial, and critical infrastructure sectors.

  • ISO/IEC 27001 — Information security management system alignment across all internal and external operations.
  • SOC 2 Type II — Trusted auditing frameworks for security, confidentiality, and integrity.
  • GDPR Compliance — End-to-end privacy enforcement, data minimization, and regional sovereignty protocols.
  • PCI-DSS Readiness — Secure handling of cardholder and transaction data for applicable environments.
  • HIPAA Alignment — For clients in healthcare or protected data fields, we implement privacy-by-design protections.

*QuantumSabre leverages industry-recognised compliance standards to enforce mission-grade protection — while keeping backend providers confidential.

How Do You Protect Client Confidentiality and Sensitive Data?

Confidentiality is not a policy at QuantumSabre — it’s protocol. Every engagement is treated with the same discretion, compartmentalisation, and operational security as a military mission.

  • Enhanced DBS-Cleared Professionals — All operatives undergo rigorous UK background checks before handling any client data.
  • Encrypted Comms & Data Channels — We use end-to-end encryption across all communication, file transfers, and analysis operations.
  • Access Control & Compartmentalisation — Only essential personnel are granted time-bound, minimal-access rights to client data — and only within a zero-trust framework.
  • Non-Disclosure Enforcement — NDAs are mandatory for all engagements and are enforced internally with zero exceptions.
  • Audit Logging & Traceability — Every action involving sensitive data is tracked and retained for accountability, compliance, and breach-proof assurance.

We don’t just promise confidentiality — we enforce it at every layer.

Where Are Your Operations and Security Teams Based?

QuantumSabre is headquartered in England — with operational reach across secure data zones in Europe and North America. Our infrastructure and staff are strategically positioned to ensure continuity, sovereignty, and 24/7 responsiveness.

  • 🇬🇧 UK-Based Core Team — All lead analysts and threat response operators are based in the United Kingdom, security-cleared and locally regulated.
  • Remote-Ready Global Response — We maintain encrypted access nodes and SOC relay points across Europe and the US for fast international coverage.
  • Infrastructure Sovereignty — All infrastructure complies with UK/EU data handling standards. Sensitive data remains within its legal jurisdiction.

Operated from the UK. Deployed globally. Mission coverage, without compromise.

Is QuantumSabre Compliant with UK Cybersecurity Regulations?

Yes. QuantumSabre aligns with key UK cybersecurity regulations, including data protection laws, critical infrastructure controls, and information assurance best practices. We adopt frameworks and standards recognised across regulated sectors.

  • Data Protection Act & GDPR — Full compliance with UK data privacy and information governance laws.
  • NCSC Cyber Essentials Principles — Core control alignment across access, firewalls, patching, malware, and config management.
  • Critical Infrastructure Readiness — Readiness for UK supply chain, energy, and public sector cybersecurity requirements.
  • Framework Adherence — Security operations built to reflect NIST CSF, ISO 27001, and industry-aligned best practices.

Built in Britain. Compliant by design. Protected by experience.

What Does “Military-Grade Cybersecurity” Mean at QuantumSabre?

At QuantumSabre, “military-grade” is not a marketing buzzword — it’s our operational standard. It means your systems are protected using methodologies, discipline, and strategies forged through real-world special operations and national-level cyber defense missions.

  • Special Forces Mindset — Every operator on our team is trained to assess, adapt, and neutralise threats like a tactical engagement — not a helpdesk ticket.
  • Adversarial Simulation — We think and act like attackers to find gaps, weaponise intel, and build layered defenses before your enemies do.
  • Zero Compromise Doctrine — We deploy hardened configurations, segregated infrastructure, and 24/7 alerting without shortcuts.
  • Mission Assurance Focus — Every decision is based on risk reduction, resilience, and your continued operational readiness — not cost-cutting.

“Military-grade” at QuantumSabre means elite operators, no-excuses defense, and zero tolerance for failure.

Who Leads QuantumSabre and What Is Your Background?

QuantumSabre is led by Joseph M Hajczinger, a cybersecurity strategist, penetration tester, and former Special Forces operator with over 30 years of experience in offensive cyber operations, tactical intelligence, and systems hardening.

  • Military Background — Former Special Forces operator, educated at the US Army John F. Kennedy Special Warfare School in Fort Bragg (2006).
  • Cybersecurity Expertise — Holds a BSc in Cybersecurity with a specialisation in offensive security and red teaming methodologies.
  • Three Decades of Digital Warfare — Began hacking in the early 1990s and brings an unmatched depth of real-world, military-aligned cyber knowledge to every engagement.
  • Trusted Leadership — All QuantumSabre operations are built on discipline, precision, and the high-trust principles learned in classified missions and sensitive operations.

Led by experience. Hardened by operations. Built for elite security missions.

What Are the Benefits of Cybersecurity Awareness Training?

Cybersecurity awareness training is your organisation’s first line of defense. Even the best technical defenses can be bypassed if your team isn’t prepared to recognise and neutralise threats.

  • Phishing Resistance — Trains staff to spot and report phishing emails before credentials are stolen or ransomware is triggered.
  • Credential Security — Reinforces secure password practices, MFA usage, and breach impact awareness.
  • Decision-Making Under Pressure — Prepares employees to respond smartly during a social engineering attempt or live cyber incident.
  • Risk Reduction — Reduces attack surface by turning your team into human firewalls instead of weak links.
  • Compliance Support — Helps meet GDPR, ISO 27001, and PCI-DSS requirements for user education and policy adherence.

The most advanced firewall in your stack is an alert, trained human.

🏛️ Do You Provide Training for Executives and Board Members?

Yes. QuantumSabre offers specialised cybersecurity briefings and threat simulations tailored for executives, board directors, and senior decision-makers. These sessions address real-world risks at the leadership level — where strategic decisions and reputational impact converge.

  • Risk Awareness — We explain current threat vectors in clear, business-relevant terms so executives understand impact and exposure.
  • Simulated Crisis Decision-Making — We run tailored tabletop exercises to train leadership teams in high-stakes cyber response scenarios.
  • Board-Level Cyber Literacy — Training covers governance, liability, and resilience metrics needed to fulfil fiduciary responsibilities.
  • Customisable Delivery — Sessions are available remotely or in-person, and can be delivered confidentially under NDA.

Cyber risk is a boardroom issue — and your leadership should be trained like it.

Do You Offer Red Team Simulations or Tabletop Exercises?

Absolutely. QuantumSabre delivers custom Red Team operations and strategic tabletop exercises designed to expose vulnerabilities, test decision-making, and validate your entire security program under real-world pressure.

  • Red Team Engagements — Simulate persistent, intelligent attackers using social engineering, lateral movement, and stealth exfiltration.
  • Tabletop War Games — Scenario-driven exercises test your incident response, communication flow, and decision-making in a safe environment.
  • Gap Analysis & Post-Op Reports — Receive a full breakdown of how your team performed and what needs to be improved.
  • Leadership & Technical Integration — We engage both your execs and technical teams so that everyone understands their role under fire.

You don’t really know your security posture until it’s been attacked.

What Happens If I Suffer a Data Breach?

If your organisation suffers a data breach, QuantumSabre initiates a rapid-response protocol to contain the threat, investigate the compromise, and restore operational integrity. Every action is precise, discreet, and legally aligned.

  • Immediate Containment — We isolate compromised systems and halt lateral movement to prevent further data loss.
  • Forensic Investigation — Our team gathers artifacts, logs, and telemetry to identify the breach vector and establish a timeline.
  • Threat Actor Attribution — Where possible, we trace indicators to known TTPs (tactics, techniques, procedures) for attribution and intelligence enrichment.
  • Reporting & Legal Coordination — We support internal/external reporting requirements and assist in compliance with data protection authorities.
  • Remediation & Resilience — Post-incident, we assist in hardening infrastructure, patching exploited vectors, and advising long-term mitigation.

One breach can define your future — or it can define your comeback.

Do You Help with Breach Reporting or Legal Compliance (e.g. ICO)?

Yes. QuantumSabre supports breach notification, regulatory disclosure, and compliance preparation in accordance with GDPR, UK law, and global data protection regulations.

  • Regulatory Guidance — We walk you through the requirements of notifying the ICO (UK), DPA (EU), or other data authorities.
  • Disclosure Assistance — We prepare technical summaries, timeline briefs, and evidence packages aligned with legal expectations.
  • Stakeholder Communication — We assist with internal and external messaging, minimising reputational risk and panic.
  • Legal Team Coordination — We work directly with your legal counsel and DPOs to ensure facts are accurate, defensible, and clearly presented.

Our breach support doesn’t end at forensics — it extends into legal, regulatory, and executive readiness.

How Is Pricing Structured for QuantumSabre Services?

QuantumSabre uses a transparent, no-surprise pricing model based on the scope, risk level, and operational demands of each engagement. We tailor our fees to match mission complexity — not generic service tiers.

  • Managed Security Plans — Choose from Sentinel, Guardian, or Vanguard tiers — starting at £1,995 + VAT /month, based on data volume and response level.
  • Penetration Testing — Fixed-fee or scoped pricing based on application size, infrastructure depth, and test type (web, cloud, social, etc.).
  • Incident Response — Emergency retainers or on-demand hourly rates depending on whether you’re an active client or new activation.
  • Consulting & Strategy — Billed hourly or per-deliverable based on the engagement (architecture, audit prep, compliance alignment).

No fluff. No markups. You pay for protection — not PowerPoint.

Is There a Charge for the Initial Consultation?

No — your first tactical consultation with QuantumSabre is completely free. We use it to assess your risk exposure, determine your mission priorities, and establish if we’re the right fit for each other.

  • Free Strategic Review — We assess your current cybersecurity posture, attack surface, and potential risk areas.
  • No Sales Pitch — Our consultation is tactical, focused, and vendor-neutral. You get clarity — not fluff.
  • Mutual Vetting — We only take on missions where we can deliver military-grade impact. The call is as much for us to qualify you as it is for you to assess us.

The first conversation is free — because clarity shouldn’t cost extra.

Do You Offer Fixed-Fee or Retainer Packages?

Yes. QuantumSabre offers both fixed-fee and retainer-based engagements, depending on the nature and urgency of the mission. This allows for predictability, speed, and long-term security assurance.

  • Fixed-Fee Projects — Perfect for scoped penetration tests, architecture reviews, or compliance assessments.
  • Monthly Retainers — Ideal for organisations seeking continuous protection through our Sentinel, Guardian, or Vanguard service tiers.
  • Emergency Response Retainers — Ensure priority support and reduced hourly rates if you’re hit during a critical incident.
  • Ongoing Advisory — For executive-level cybersecurity guidance, available under strategic retainer terms.

Whether you need a one-time breach test or full-spectrum coverage — we deploy the right model for your mission.

Do You Provide Written Reports After Engagements?

Yes — every QuantumSabre engagement includes a detailed written report, formatted for both technical and executive audiences. We document findings, exposures, exploitation paths, and remediation priorities with precision and clarity.

  • Executive Summary — High-level overview of risk posture, key findings, and business implications.
  • Technical Breakdown — Full evidence, proof-of-concepts, CVSS scoring, screenshots, and lateral movement maps.
  • Remediation Playbook — Prioritised, actionable steps to close gaps, reduce exposure, and harden infrastructure.
  • Optional Delivery Call — For complex engagements, we offer a live walkthrough and Q&A session under NDA.

Our reports don’t sit on shelves — they become your next action plan.

Can I Integrate QuantumSabre with My Existing IT Team?

Absolutely. QuantumSabre is built to operate as an elite force multiplier alongside your in-house team — not a replacement. We embed seamlessly, whether you need tactical support, escalation coverage, or full-spectrum defence.

  • Collaborative Integration — We work hand-in-hand with IT, DevOps, or SecOps staff to harden systems and respond rapidly.
  • Clear Escalation Paths — Defined protocols ensure your team knows when to escalate and how our operators will respond.
  • Transparent Handoff — All actions, remediations, and recommendations are documented and shared in plain language.
  • Secure Collaboration Channels — We establish encrypted comms between your staff and our operators from day one.

Keep your team. Add our edge. We don’t replace — we reinforce.

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