A useful Australian baseline — not a checkbox exercise
The Essential Eight is valuable because it turns broad cyber risk into eight concrete mitigation strategies. The objective is not simply to claim a maturity level. The objective is to make the controls operate reliably across real users, devices, identities, applications and business processes.
What is the Essential Eight?
The Essential Eight is a set of cyber mitigation strategies published by the Australian Signals Directorate (ASD) through the Australian Cyber Security Centre. It is designed to make it harder for adversaries to compromise systems and to help organisations recover when incidents occur.
DSC routinely refers to current ASD/ACSC guidance in day-to-day cybersecurity work, and the Essential Eight is one of the most useful practical reference points for Australian organisations. We use it alongside the client’s actual environment, risk profile, contracts, insurance obligations, governance requirements and business priorities.
The official ASD guidance should remain the authoritative source for the framework and its current maturity requirements. View the ASD Essential Eight guidance.
The eight mitigation strategies
Application Control
Control which applications, scripts and other executable content are allowed to run so unauthorised or malicious code is harder to execute.
Patch Applications
Identify and remediate vulnerabilities in applications within risk-appropriate timeframes, with particular attention to internet-facing and commonly exploited software.
Configure Microsoft Office Macros
Restrict macro execution and related functionality so common document-based attack paths are reduced.
User Application Hardening
Harden browsers, document readers and user applications to reduce unnecessary functionality and exploitation opportunities.
Restrict Administrative Privileges
Limit privileged access, separate administrative activity from normal user work and control who can make high-impact changes.
Patch Operating Systems
Keep supported operating systems current and remediate known vulnerabilities according to risk and ASD maturity requirements.
Multi-Factor Authentication
Protect important identities and access paths with strong MFA and appropriate identity controls.
Regular Backups
Maintain protected, recoverable backups of important data, software and configuration, and confirm recovery can actually be performed.
Essential Eight maturity levels
ASD defines maturity levels so organisations can assess how completely and consistently the mitigation strategies are implemented. The appropriate target should be determined by risk, threat exposure and organisational requirements rather than selected simply because a higher number sounds better.
A maturity assessment should therefore establish both the technical state and the operating evidence behind it. A control that exists on paper but is not consistently applied, monitored or maintained may not provide the protection decision-makers assume.
DSC can help interpret the current ASD maturity requirements against the client’s environment and build a practical roadmap from current state to agreed target state.
How DSC approaches an Essential Eight assessment
- Define scope. Identify users, devices, servers, Microsoft 365, applications, privileged roles and business-critical systems that matter to the assessment.
- Collect evidence. Review configuration, management tools, patch status, identity controls, backup design, policies and operating processes.
- Assess current maturity. Compare evidence with current ASD requirements and record where controls are complete, partial, inconsistent or absent.
- Prioritise risk. Separate urgent exposure from lower-value housekeeping so remediation effort is focused where it matters most.
- Build a roadmap. Define practical actions, dependencies, owners and sequencing to move toward the agreed target maturity.
- Reassess. Confirm completed remediation and retain evidence so maturity is demonstrable rather than assumed.
Essential Eight and Microsoft 365
Modern organisations increasingly depend on cloud identity, email, collaboration and application access. The Essential Eight remains important, but Microsoft 365 security also requires attention to Conditional Access, privileged roles, account lifecycle, third-party applications, email protection, SharePoint/Teams permissions and cloud data governance.
DSC therefore connects Essential Eight remediation with its broader Microsoft 365 Security approach rather than treating the framework as a separate compliance exercise.
Essential Eight and Family Offices
The Essential Eight can provide a strong technical baseline for Family Offices, but the Family Office environment often extends beyond conventional corporate boundaries. Principals, family members, private enterprises, advisers, residences, mobile devices, travel and highly sensitive personal information may all influence risk.
For that reason DSC places Essential Eight controls inside a broader Family Office technology and cybersecurity model that also considers executive protection, Microsoft 365, third-party access, secure AI, data protection, continuity and governance.
Essential Eight and not-for-profits
Not-for-profit organisations can benefit from the clarity of the Essential Eight because it helps boards and executives understand a defined set of practical cyber controls. Implementation can be scaled to the organisation’s resources and risk while preserving evidence of what is operating and where exceptions remain.
DSC can connect the Essential Eight to Microsoft 365, privacy, data protection, business continuity and board-level risk reporting for NFP environments. See DSC’s NFP technology approach.
What the Essential Eight does not replace
The Essential Eight is not intended to replace every aspect of cybersecurity. A mature operating program may also need to address:
- Microsoft 365 and cloud identity security;
- email protection and business-email compromise;
- network and perimeter security;
- third-party and supplier access;
- privacy and sensitive-data handling;
- cyber incident response and tabletop exercises;
- security awareness and executive risk;
- Shadow AI and AI application governance;
- business continuity and disaster recovery;
- cyber governance, risk acceptance and board reporting.
DSC’s broader Cybersecurity and Technology, Cyber & AI Governance services connect these areas into one operating model.
Essential Eight readiness checklist
- Do we know which applications are permitted to execute and how exceptions are controlled?
- Can we prove application and operating-system patching is occurring within required timeframes?
- Are Office macros and user applications hardened appropriately?
- Are privileged accounts separated, restricted and reviewed?
- Is MFA enforced for the identities and services required by our target maturity?
- Are backups protected from normal user compromise and tested for recovery?
- Do we retain evidence that the controls are operating consistently?
- Have we agreed a target maturity based on risk rather than assumption?
- Are remediation owners, dependencies and exceptions documented?
- Do management and the board understand material gaps and progress?
Frequently asked questions about the Essential Eight
Who publishes the Essential Eight?
The Essential Eight is published by the Australian Signals Directorate through the Australian Cyber Security Centre.
Is the Essential Eight mandatory?
Requirements vary by organisation, sector, contract and government context. Even where it is not formally mandated, it provides a strong Australian baseline for practical cyber risk reduction.
What maturity level should we target?
The target should reflect the organisation’s threat exposure, risk and obligations. DSC can help assess the current state and define a proportionate roadmap toward an agreed target.
Can DSC assess our Essential Eight maturity?
Yes. DSC can review relevant technical configuration and operating evidence, identify gaps and produce a prioritised remediation roadmap.
Does achieving a maturity level mean we are secure?
No framework eliminates cyber risk. The Essential Eight addresses important attack paths but should sit within broader identity, cloud, data protection, incident response, governance and resilience controls.
How often should the Essential Eight be reviewed?
Controls should be maintained continuously and reassessed after material changes, incidents or major remediation, with formal reviews at intervals appropriate to the organisation.