Helping organisations strengthen security, manage risk and make informed technology decisions through architecture, assurance and independent advisory services.
WHY ORGANISATIONS CHOOSE HEXOSYS
We do not stop at recommendations. Where the engagement requires it, we help implement, deploy, validate and operationalise the security changes we design.
SECURITY EXPERTISE ACROSS EVERY DISCIPLINE
A coherent security architecture that aligns protection to business strategy and risk appetite.
LEARN MORE →Board-ready strategy and a prioritised multi-year roadmap that sequences investment.
LEARN MORE →Governance and assurance that let the organisation adopt AI with confidence.
LEARN MORE →Architecture-led cloud security across Azure, AWS and hybrid estates.
LEARN MORE →Compliance evidenced through architecture: ready for regulator and auditor scrutiny.
LEARN MORE →Change delivered hands-on: implementation, integration, validation and handover.
LEARN MORE →Hover a discipline to see how it works with the others. Click to hold the relationship.
WHAT CLIENTS RECEIVE
HOVER A STAGE TO SEE WHAT ENTERS AND LEAVES IT
HOW HEXOSYS DELIVERS SECURITY OUTCOMES
HOW WE OPERATE
No vendor affiliations and no product sales incentives - our only obligation is the right security outcome for your organisation.
Senior practitioners on every engagement - architecture-led thinking from people who have designed and assured real systems.
Effort goes where it reduces the most risk - advice is tied to outcomes and obligations, not products.
STRATEGIC SECURITY LEADERSHIP
Governance sets the boundaries. Risk informs priorities. Strategy sets direction. Architecture makes it real. Investment funds what can be defended. Assurance produces the evidence and closes the loop.
EXECUTIVE DECISION ARCHITECTURE
Every executive security decision feeds the next: governance frames risk, risk shapes strategy, strategy directs architecture, architecture justifies investment, and assurance returns the evidence that closes the loop. Select a decision to see what informs it and what it drives.
WHAT CLIENTS ACHIEVE
Effort sequenced where it removes the most real-world risk first.
A reference architecture the whole organisation can build against.
Controls mapped to clauses, evidenced the way assessors assess.
Choices anchored to a target architecture, not a product pitch.
Findings fixed at the architecture, so they do not come back.
Security explained in decisions and evidence, not jargon.
CLICK AN OUTCOME TO SEE PROBLEM → ARCHITECTURAL ACTION → EVIDENCE → OUTCOME.
SECTOR EXPERTISE FOR COMPLEX ENVIRONMENTS
Hover a sector to preview, click to hold it - the obligation map lights the frameworks that typically govern that environment. [DRAFT MAPPINGS]
GOVERNING FRAMEWORKS & OBLIGATIONS
Select a sector to see its typical governing set.
SECURITY THINKING
A practical governance model for adopting AI with confidence - managing risk while enabling business value. Decision paths, control points and a prioritisation structure boards can follow.
8 MIN READ · FRAMEWORK-ALIGNEDREAD →Information-security obligations for regulated entities: what CPS 234 requires, how architecture evidences it, and how it sits beside CPS 230 operational resilience with CPS 220 risk context.
9 MIN READ · REGULATORYREAD →Reaching Maturity Level 3 the way ASD assesses it - evidenced, sequenced and independently verifiable, with control checkpoints at every step.
11 MIN READ · ASD-ALIGNEDREAD →SECURITY FRAMEWORKS
Your engagement determines what applies - regulatory obligations, sector context and architecture patterns decide the standards we bring to the work. The groups below are representative, not exhaustive.
CORE ARCHITECTURE
The structural frameworks - how the security architecture itself is organised, governed and evidenced.
REGULATORY
Obligations that bind your sector - controls mapped to clauses, ready for regulator and auditor scrutiny.
OPERATIONAL
How attacks actually happen and the controls that interrupt them - grounded in adversary behaviour.
ASSURANCE & CLOUD
Evidence for customers and partners - certifications and attestations your market recognises.
REPRESENTATIVE - YOUR ENGAGEMENT DEFINES THE APPLICABLE SET
DEFENCE IN DEPTH - INTERACTIVE
Security architecture that makes defence simpler to operate and harder to bypass.
The full defence-in-depth system. Every request is evaluated at identity, device, network and application before it is allowed anywhere near data - verified explicitly, least privilege, assume breach.
NIST CSF gives the whole stack a common language - Govern, Identify and Protect applied at every layer, so each control maps to business risk and board reporting. HEXOSYS uses it to structure assessment and board-level reporting.
ISO 27001 turns the layers into an auditable management system - access control evidenced at the identity boundary, secure operations at the application boundary. HEXOSYS uses it to make the architecture certifiable.
SABSA derives every layer from business attributes - each ring exists because a business requirement demands it, traceable from strategy to control. HEXOSYS uses it to keep design decisions business-owned.
Zero Trust assumes breach - the identity perimeter is the strongest ring, every gate verifies explicitly, and ALLOW or DENY is decided at each crossing. HEXOSYS uses it to design the control points and their evidence.
ENGAGE - A GOVERNED PATH, NOT A FORM DROP
Services & Capabilities
Integrated cybersecurity consulting across strategy, architecture, assessment and transformation.
A senior HEXOSYS consultant will respond within one Australian business day.
Industry Solutions
Every sector has unique threat vectors, regulatory obligations and risk profiles. HEXOSYS brings deep sector knowledge to every engagement, mapping the standards that apply - from the ASD ISM and PSPF in government to APRA CPS 234 and CPS 230 in financial services - to the controls that matter most for your organisation.
Federal, state and local government security architecture, ISM compliance, PSPF alignment and whole-of-government security transformation programs.
APRA CPS 234 and CPS 230 compliance, banking security architecture, cyber resilience programs and financial sector regulatory compliance for banks, insurers and wealth managers.
SOCI Act compliance, critical infrastructure risk management programs (CIRMP), OT/ICS security architecture and sector-specific uplift across energy, water, transport and communications.
Clinical system security, health data protection, My Health Record compliance and healthcare cyber resilience for public and private health organisations.
SaaS security, DevSecOps integration, cloud-native security architecture and software supply chain security for fast-growing technology organisations.
Research institution security, student data protection, higher education cyber resilience and compliance programs.
Speak with a HEXOSYS consultant who understands your industry.
Cybersecurity Architecture
Enterprise security architecture that aligns security design to business strategy, risk appetite and technology direction. Built to last, not to checkbox.
Independent assessment of existing security architecture identifying gaps, risks and improvement opportunities against frameworks and best practice.
Target state security architecture design aligned to business objectives, regulatory requirements and the organisation's risk appetite.
Reusable security design patterns and reference architectures that embed security controls consistently across systems and platforms.
Enterprise security reference architectures providing a consistent blueprint for security design decisions across technology programs.
Board-level security strategies with clear priorities, investment rationale and measurable outcomes aligned to business direction.
Multi-year security roadmaps that sequence investment, reduce risk progressively and build security capability in a structured, sustainable way.
We apply established architecture and security frameworks pragmatically, selecting and combining them to suit each organisation’s context rather than following any single methodology by rote. The same rigour underpins our independent security assessments.
AI Security & Governance
AI introduces new security and governance challenges. HEXOSYS helps organisations adopt AI safely with frameworks that scale from project to enterprise, addressing model integrity, data protection and clear accountability alongside the security architecture that surrounds every AI system.
Strategy
Comprehensive AI security strategy aligned to your adoption roadmap, risk appetite and regulatory obligations.
Governance
AI governance structures, accountability frameworks, ethical AI principles and risk management for responsible deployment.
Risk
Structured assessment of AI-specific risks including model integrity, data poisoning, adversarial attacks and prompt injection.
Architecture
Security architecture for AI systems, ML pipelines, LLM deployments and AI-enabled applications. Secure-by-design from inception.
Compliance
Navigate emerging AI regulations including the EU AI Act, Australian AI Ethics Framework and sector-specific AI governance requirements.
Assurance
Independent assurance reviews providing objective evidence of responsible AI deployment and governance.
Security Assessments
Independent, expert-led assessments that give you an honest, evidence-based view of your security maturity, risks and gaps without vendor bias. Findings are benchmarked against recognised frameworks and translated into prioritised, board-ready recommendations that feed directly into strategy and architecture.
Rapid review of a specific security domain. Ideal for targeted assurance on a particular risk area.
Structured maturity assessment across people, process and technology, benchmarked against industry frameworks.
Comprehensive ISO 31000-aligned risk assessment across your entire organisation and supply chain.
Insights & Perspectives
Detailed guidance on these topics is published through the HEXOSYS Knowledge Platform - explore all insights.
AI Security
The CISO's Guide to AI Governance in the Enterprise
How security leaders can build governance frameworks enabling responsible AI adoption.
June 2026
Architecture
Zero Trust Architecture: Beyond the Buzzword to Business Outcomes
Practical guidance for implementing Zero Trust across identity, device, network and application layers.
May 2026
Compliance
ASD Essential Eight: A Practical Path to Maturity Level 3
Step-by-step guidance for organisations working toward Essential Eight Maturity Level 3.
April 2026
Risk Management
Security Risk Management for Complex Organisations
Building a risk management framework that connects security risk to business risk.
March 2026
Cloud Security
Securing Enterprise Workloads in Azure and AWS
Architecture patterns and security controls for enterprise cloud environments.
February 2026
Secure-by-Design
Why Secure-by-Design Reduces Long-Term Security Cost
The economic case for embedding security at the design stage to reduce later remediation effort and cost.
January 2026
Discuss how these security and architecture perspectives translate to your environment with a HEXOSYS Security Architect.
HEXOSYS Knowledge Platform
Architecture-led insights, compliance explainers and practical resources for regulated Australian organisations.
About Hexosys
HEXOSYS was established in August 2017 by cybersecurity professionals with extensive experience across financial services, critical infrastructure, healthcare, enterprise technology and regulated industry environments.
Having worked inside some of Australia's most complex regulated organisations, we recognised a consistent need for independent cybersecurity expertise that prioritises business outcomes and practical improvements over vendor product cycles.
Today, HEXOSYS provides advisory, architecture and assurance services to complex organisations seeking trusted guidance across cybersecurity, AI security and secure-by-design initiatives throughout Australia and New Zealand.
Mission
To help complex organisations strengthen security, manage risk and enable business outcomes through practical cybersecurity leadership, architecture excellence and trusted advisory services.
Our Commitment
Independent advice.
Practical outcomes.
Architecture-led thinking.
Long-term value.
Security Architecture
SABSA-informed enterprise security architecture and control design.
Security Governance
CISM-informed governance, policy, risk and operating model advisory.
Risk & Assurance
CRISC-informed risk, control and assurance advisory.
Security Audit
CISA-informed audit, evidence and assurance support.
Cloud Security
Azure and AWS security architecture experience across enterprise environments.
ISMS Advisory
ISO 27001-aligned ISMS advisory, implementation support and audit readiness.
Cybersecurity Leadership
CISSP-informed cybersecurity architecture, strategy and assurance.
Regulatory Alignment
Support for Essential Eight, ISM, PSPF, APRA CPS 234, CPS 230 and SOCI-aligned uplift.
Contact & Engage
Every HEXOSYS engagement begins with a confidential conversation. We respond within one Australian business day.
Independent, architecture-led advice for organisations operating in complex and regulated environments.
We review your objectives and current environment to understand context and priorities.
Confidential discussion to understand risks, priorities and desired outcomes.
Strategic recommendations and a tailored engagement approach.
Advisory, architecture, assessment and implementation services aligned to objectives.
Contact
Australia & New Zealand
hexosys.com.au
HEXOSYS Pty Ltd · ABN 54 619 222 776
Confidential
All enquiries are treated with strict confidentiality. We do not disclose client information or engagement details to third parties under any circumstances.
Your enquiry is securely received and reviewed by HEXOSYS.
A senior HEXOSYS advisor reviews your requirements to understand your objectives before any discussion.
We’ll respond within one Australian business day to arrange a confidential discussion, or request any additional information if required.
Legal
How HEXOSYS Pty Ltd (ABN 54 619 222 776) collects, uses, discloses and protects personal information across our operations in Australia and New Zealand.
Effective June 2026. This Privacy Policy applies to the HEXOSYS website (hexosys.com.au) and to enquiries and communications you have with us. We handle personal information in accordance with the Australian Privacy Act 1988 (Cth) and the Australian Privacy Principles, and, where applicable, the New Zealand Privacy Act 2020.
HEXOSYS Pty Ltd (ABN 54 619 222 776) is an independent cybersecurity advisory, architecture and assurance consultancy serving organisations in Australia and New Zealand. References to “HEXOSYS”, “we”, “us” or “our” are to HEXOSYS Pty Ltd.
We collect personal information that you provide to us and information generated when you use our website:
We use personal information to: respond to your enquiries and provide our advisory, architecture and assurance services; communicate with you about engagements and business matters; operate, maintain and improve our website; protect the security and integrity of our website and systems; and comply with our legal and regulatory obligations.
Where you submit an enquiry through our contact form, you confirm your agreement to this Privacy Policy before your enquiry can be sent. We otherwise handle personal information on the basis of your consent and our legitimate business interests in operating and providing our services. You may withdraw consent at any time by contacting us, although this may affect our ability to respond to you.
We do not sell personal information. We may disclose information to trusted service providers who support our operations - such as website hosting and email providers - who are required to protect it and use it only for the services they provide to us. We may also disclose information where required or authorised by law. We never disclose client engagement details or confidential project information to third parties.
Our website currently uses only essential technical cookies that are necessary for the site to function and remain secure. We do not currently use third-party analytics or tracking technologies to identify, profile or track individual visitors. You can control or disable cookies through your browser settings, though some site features may not function as intended if cookies are disabled. If we introduce analytics in future, we will update this policy and obtain consent where required.
We take reasonable technical and organisational measures to protect personal information against loss, misuse and unauthorised access, disclosure or alteration. Information may be stored or processed in Australia or, through our service providers, overseas; where information is handled outside Australia or New Zealand we take reasonable steps to ensure it is protected to a comparable standard.
We retain personal information only for as long as necessary to fulfil the purposes for which it was collected, to maintain our business records, and to meet legal or regulatory requirements, after which it is deleted or de-identified.
You may request access to, or correction of, the personal information we hold about you, and you may ask us to delete information where appropriate. In Australia these rights arise under the Australian Privacy Principles; in New Zealand under the Information Privacy Principles of the Privacy Act 2020. To make a request, contact us using the details below.
We may update this Privacy Policy from time to time. The current version is published on this page with its effective date, and continued use of our website indicates acceptance of the updated policy.
For privacy questions, requests or complaints, contact us at admin@hexosys.com.au. If you are not satisfied with our response, you may contact the Office of the Australian Information Commissioner (OAIC) in Australia, or the Office of the Privacy Commissioner (OPC) in New Zealand.
Legal
The terms governing your use of the HEXOSYS website (hexosys.com.au), operated by HEXOSYS Pty Ltd (ABN 54 619 222 776).
Effective June 2026. By accessing or using this website you agree to these Terms of Use. If you do not agree, please do not use the site.
You may use this website for lawful, informational purposes only. You must not use it in any way that is unlawful, infringes the rights of others, or interferes with the operation or security of the site.
Content on this website is provided for general information about HEXOSYS and our services. It does not constitute professional, security or legal advice, and should not be relied upon as such. Engagements are governed by separate written agreements.
All content, branding, text and design on this website are owned by or licensed to HEXOSYS Pty Ltd and are protected by applicable laws. You may not reproduce or redistribute material without our permission.
The website is provided on an “as is” basis. To the extent permitted by law, HEXOSYS makes no warranties about its accuracy or availability and is not liable for any loss arising from your use of, or reliance on, the website.
This website may link to third-party sites. We are not responsible for the content or practices of those sites and provide such links for convenience only.
These Terms are governed by the laws of New South Wales, Australia. Privacy matters are addressed in our Privacy Policy.
We may update these Terms of Use from time to time. The current version is published on this page with its effective date, and continued use of our website indicates acceptance of the updated Terms.
Questions about these Terms can be sent to admin@hexosys.com.au.
Trust
Our security commitment, responsible disclosure process, and how HEXOSYS Pty Ltd (ABN 54 619 222 776) protects the information entrusted to us.
As an independent cybersecurity consultancy, HEXOSYS holds its own systems, website and communications to the standards we advise our clients to adopt. This page sets out our security commitment, how to report a concern responsibly, and how we handle the information entrusted to us.
We apply security-by-design and least-privilege principles across our website, email and internal tooling, and we treat the confidentiality, integrity and availability of information entrusted to us as a core professional obligation. Our security posture is reviewed on an ongoing basis and improved as threats and good practice evolve.
We welcome reports from security researchers and members of the public who identify potential weaknesses in our website or communications. Please give us a reasonable opportunity to investigate and remediate before any public disclosure, act in good faith, and avoid accessing, modifying or deleting data that is not your own. We will not pursue action against researchers who report issues responsibly and in line with this policy.
To report a suspected vulnerability, email admin@hexosys.com.au with enough detail for us to reproduce and assess the issue - the affected URL or component, the steps to reproduce, and any supporting evidence. Please avoid automated scanning or testing that could disrupt our services or those of our clients. We aim to acknowledge legitimate reports promptly and will keep you informed through validation and remediation.
We collect only the information we need, use it solely for the purpose for which it was provided, and retain it no longer than necessary. Access is limited to those who require it, information in transit is protected using current encryption standards, and we align our handling of personal information with the Australian Privacy Act 1988 and the Australian Privacy Principles, and the New Zealand Privacy Act 2020. Further detail is set out in our Privacy Policy.
Enquiries and business correspondence are handled through managed, access-controlled business systems. We classify information according to its sensitivity, apply appropriate safeguards to client and commercial material, and dispose of information securely when it is no longer required. Client engagement material is governed by the confidentiality and security arrangements agreed for each engagement.
Our website and communications rely on a small number of reputable third-party providers, such as hosting, email and content delivery. We select providers with appropriate security and privacy practices, share only the data necessary for each service, and review these arrangements periodically. Where a provider processes personal information on our behalf, that processing is covered by our Privacy Policy.
For security matters - vulnerability reports, disclosure questions, or concerns about how information is handled - contact us at admin@hexosys.com.au. For general enquiries, please use our contact form. HEXOSYS Pty Ltd (ABN 54 619 222 776) operates across Australia and New Zealand.
