Information Security · ACSC Essential Eight · Maturity Level Assessment

Essential Eight compliance, done properly.

The Australian Cyber Security Centre's Essential Eight is the baseline cybersecurity framework for Australian organisations. We assess your current maturity, identify gaps, and build a remediation roadmap, whether you're targeting Maturity Level 1, 2 or 3.

The Australian standard, applied properly

Assess, remediate, maintain.
Not just a report on a shelf.

We've seen too many Essential Eight assessments that produce a gap report and nothing else. Our engagements are built around closure: understanding where you are, remediating the gaps, and keeping you there through ongoing monitoring and evidence collection. We've run Essential Eight assessments for South Australian businesses from Maturity Level 1 baselines through to Maturity Level 3 targets.

Framework by
Australian Cyber Security Centre
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ACSC Essential Eight

All eight strategies, assessed, prioritised, actioned.

The Essential Eight isn't one thing. It's eight distinct controls, each with three maturity levels. We assess all eight, show you where you stand, and build a remediation plan that sequences work logically and minimises disruption.

The eight strategies covered in every engagement
Prevent cyber attacks
  • Application control: Preventing unapproved programs from running on your systems
  • Patch applications: Keeping internet-facing software updated and vulnerabilities closed
  • Office macro settings: Blocking malicious macros from executing
  • Application hardening: Disabling features commonly exploited by attackers
Limit the extent of incidents
  • Admin privileges: Limiting who can make system-level changes
  • Patch operating systems: Keeping OS software current and fully supported
  • Multi-factor authentication: Requiring more than a password to access systems
Recover data & system availability
  • Regular backups: Tested, protected and stored to survive a ransomware attack

Maturity level evidence that holds up

Self-assessed maturity is easy to inflate. We produce evidence-based assessments, screenshots, configurations, logs, so your maturity rating reflects actual controls in place, not best intentions. That's what survives an audit or insurer review.

Essential Eight sits naturally inside a broader GRC programme. We manage the full compliance picture so you're not running separate workstreams for every framework.

Maturity levels

Three levels. One target. We help you pick the right one.

Each maturity level represents a meaningful step up in security posture. Most businesses start from Maturity Level 0, where controls exist but don't yet consistently meet Maturity Level 1 requirements, and that's a completely normal starting point. Most should be targeting Maturity Level 2: the sweet spot between achievable and genuinely effective.

Maturity Level 1
ML 1
Partly Aligned

Maturity Level 1

Protection against opportunistic, volume-based attacks. Good baseline for businesses starting from scratch, but not sufficient against targeted attacks or for regulated sectors. The floor, not the goal.

Recommended
Maturity Level 2
ML 2
Mostly Aligned

Maturity Level 2

Protection against moderately sophisticated adversaries. Satisfies most client, insurer and government supply chain requirements. The right target for most South Australian businesses.

Maturity Level 3
ML 3
Fully Aligned

Maturity Level 3

Protection against sophisticated, targeted attacks. Required for businesses handling sensitive government or defence data. Demands significant investment, but if you need it, there's no substitute.

InterIntra security team

“Essential Eight isn't a compliance exercise. It's the difference between surviving a cyber attack and being front-page news.”

InterIntra
Information Security Practice · Adelaide
Frequently Asked Questions

Got questions? We have answers.

In practice
Case Study
Sports College SA

Essential Eight deployment across an independent secondary school: M365, MDM, content-filtered firewalls and AWS workloads all secured and aligned.

500 students · ACSC Essential Eight aligned
Read the case study
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Get Started

Ready to know where you actually stand against the Essential Eight?

30 minutes, free, no commitment. We'll give you an honest initial read on your likely maturity level and what reaching your target would involve.

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