Australian insurers are denying cyber claims at record rates due to Essential Eight gaps and multi factor authentication failures. Learn how Queensland businesses can protect coverage under new 2025 federal reporting laws.
The Reality of Denied Cyber Insurance Claims
Australian businesses are discovering an expensive reality: cyber insurance policies provide no protection when minimum security standards are not maintained. Across Queensland and nationally, insurers are systematically denying claims from companies that suffered ransomware attacks and data breaches, not because policies were inadequate, but because businesses failed to implement basic security controls they promised to maintain.1
According to Fitch Ratings, nearly one in four cyber insurance claims filed in 2024 were rejected for failing to meet coverage requirements.2 For Queensland small to medium enterprises, the financial consequences can be catastrophic: facing six figure ransomware demands with no insurance payout, legal liability for data breaches with no coverage, and business interruption losses that threaten viability.
Adding complexity, Australia’s Cyber Security Act 2024 (Cth) now mandates ransomware payment reporting within 72 hours for businesses with turnover exceeding $3 million.3 Simultaneously, the Privacy Act 1988 (Cth) imposes strict data breach notification obligations under the Notifiable Data Breaches scheme.4 For more immediate answers on these regulations, see our Technology & Cyber Risk Law FAQs.
SUMMARY: Key Risks for Queensland Businesses
When you apply for cyber insurance, you represent that specific security controls are implemented and maintained. Insurers now require documented evidence including multi factor authentication enforcement reports, Essential Eight compliance assessments, backup restoration test results and patch management logs. Failure to maintain any required control can void coverage entirely, regardless of whether that control was related to the actual attack.
The critical issue: Most Queensland businesses believe having multi factor authentication available is sufficient. Insurers require it enforced via conditional access policies with legacy authentication completely disabled. This gap alone accounts for thousands of denied claims across Australia.
Why Cyber Insurance Claims Are Being Denied
Misrepresentation During Policy Application
The most common cause of denied claims stems from misrepresentation during the insurance application process. When applying for cyber insurance, businesses must answer detailed questions about security controls: Do you enforce multi factor authentication on all administrator accounts? Do you maintain offline backups? Is patching automated?5
Many businesses answer affirmatively when reality is far more nuanced. For example, multi factor authentication may only be implemented on the firewall, not on servers that were the actual attack target. Insurers now require evidence of implemented controls through third party audits, configuration screenshots or compliance certificates.6
In documented cases, insurers have sought to void policies entirely when businesses falsely stated they required multi factor authentication for all remote access, email and endpoint systems, when investigation revealed multi factor authentication was only implemented on perimeter firewalls.7
Failure to Maintain Essential Eight Compliance
Australia’s Essential Eight framework, published by the Australian Signals Directorate, has transitioned from recommended best practice to mandatory for cyber insurance eligibility.8 The November 2023 update to the Essential Eight Maturity Model specifies eight mitigation strategies:9
- Application control (whitelisting)
- Patch applications
- Configure Microsoft Office macro settings
- User application hardening
- Restrict administrative privileges
- Patch operating systems
- Multi factor authentication
- Regular backups
Insurers increasingly require organisations achieve at least Maturity Level 2 to qualify for coverage.10 Maturity Level 2 signifies alignment with the intent of each mitigation strategy and demonstrates enhanced protection against sophisticated threats. (See our FAQ: What is Essential Eight Maturity Level 2?).
Queensland businesses that fail to implement Essential Eight controls or implement them at insufficient maturity levels face two consequences: policy denial at application stage or claim denial after incidents.11
Multi Factor Authentication Enforcement Gaps
Multi factor authentication has become the single most critical security control for cyber insurance eligibility.12 Insurers consider multi factor authentication enforcement so fundamental that its absence is often grounds for immediate policy denial or voided coverage after breaches.
Critically, insurers require multi factor authentication to be enforced via conditional access policies, not merely available or encouraged, with legacy authentication protocols (SMTP, POP3, IMAP, Basic Auth) completely disabled.13 Queensland businesses using Microsoft 365 must implement:14
- Conditional access policies blocking sign ins from unapproved locations or devices
- Named locations defining approved geographies and blocking high risk countries
- Device compliance requiring managed, encrypted devices for corporate data access
- Legacy authentication disabled across all services
The distinction between multi factor authentication being available versus enforced represents the difference between valid coverage and denied claims.15
Backup and Recovery Failures
Ransomware attacks are no longer theoretical risks in Australia. The ability to restore operations without paying ransom has become the defining factor in ransomware resilience.16 Insurer mandated backup standards now require:17
- Immutable backups using write once read many storage preventing deletion or encryption by attackers
- Air gapped or offline storage with at least one backup copy on disconnected media
- Regular testing with documented quarterly restoration tests demonstrating recovery capability
- Versioning and retention with minimum 30 day retention and multiple restore points
- Separate authentication with backup systems protected by unique credentials not accessible via compromised domain admin accounts
Businesses that suffer ransomware attacks but cannot restore from backup typically face two options: pay the ransom with no guarantee of decryption, or suffer permanent data loss. Insurers view failure to maintain tested backups as reckless and grounds for denying coverage.18
Ransomware Payment Reporting Obligations
The Cyber Security Act 2024 (Cth), which came into effect on 30 May 2025, introduced mandatory ransomware payment reporting obligations.19 Businesses with annual turnover exceeding $3 million must report any ransomware or cyber extortion payment to the Australian Signals Directorate within 72 hours.20
The reporting obligation applies regardless of whether data was exfiltrated or merely encrypted, payment was made in cryptocurrency or other assets, or the attack succeeded in disrupting operations.21 Failure to report carries civil penalties up to $19,800, though the Department of Home Affairs has committed to an education first approach prioritising warnings over enforcement penalties from 30 May 2025 through 31 December 2025.22
Insurance Implications of Reporting Requirements
Many cyber insurance policies now include clauses requiring policyholders to notify insurers before making ransomware payments. Failure to obtain prior approval can result in:23
- Full denial of claim for ransomware payment reimbursement
- Denial of associated business interruption claims
- Denial of incident response and forensic investigation costs
The dual reporting obligations to the Australian Signals Directorate under the Cyber Security Act 2024 and to insurers under policy terms create compliance complexity, particularly given the 72 hour statutory deadline.24 Our cybersecurity and technology law team provides 24/7 priority incident response for existing clients to navigate these combined reporting requirements.
Queensland Specific Data Breach Obligations
While the Privacy Act 1988 (Cth) and Cyber Security Act 2024 (Cth) apply nationally, Queensland government agencies face additional obligations under the Information Privacy Act 2009 (Qld), particularly the mandatory notification of data breach scheme introduced under Chapter 3A.25
An eligible data breach under the Queensland scheme occurs when there is unauthorised access to, unauthorised disclosure of, or loss of personal information held by an agency, and a reasonable person would conclude that the breach is likely to cause serious harm to an individual.26 Agencies must immediately take steps to contain and mitigate the breach, and within 30 days assess whether there are reasonable grounds to believe the breach is eligible.27
Private sector businesses in Queensland remain subject to the federal Notifiable Data Breaches scheme under the Privacy Act 1988 (Cth), but businesses contracted to provide services to Queensland agencies may face mandatory notification obligations if they handle personal information as part of those contracts.28 If you suffer a data breach, see our comprehensive guide: What should I do if my business suffers a data breach?
Protecting Your Cyber Insurance Coverage

Step 1: Conduct Comprehensive Gap Assessments
Queensland businesses must conduct comprehensive gap assessments comparing actual security controls against insurer mandated requirements. This assessment should document:29
- Current multi factor authentication implementation with scope, enforcement mechanisms and exceptions
- Backup procedures including frequency, immutability, testing records and restore times
- Patching cadence documenting automated versus manual processes and average time to patch critical vulnerabilities
- Essential Eight maturity level across all eight strategies
- Incident response plan with documented procedures, assigned roles and tabletop exercise history
- Endpoint detection and response deployment and monitoring coverage
- Privileged access controls and administrative account segregation
Gap assessments should be performed by independent third parties (managed service providers, cybersecurity consultancies or specialist auditors) to provide objective evidence for insurers.30
Step 2: Implement Essential Quick Wins
Certain security improvements deliver immediate insurability improvements:31
Within 7 Days:
- Enable multi factor authentication on all Microsoft 365 administrator accounts using conditional access
- Block legacy authentication protocols in Microsoft 365
- Remove unused administrative accounts from Active Directory
- Enable audit logging on Microsoft 365, Azure and on premises systems
- Document current backup locations and test restore of critical data
Within 30 Days:
- Deploy endpoint detection and response across all workstations and servers
- Implement immutable backup solution
- Conduct vulnerability scan and patch critical vulnerabilities
- Create privileged access management procedure separating admin and user accounts
- Draft incident response plan with defined escalation pathways
Within 90 Days:
- Achieve Essential Eight Maturity Level 2 across all eight strategies
- Conduct tabletop incident response exercise simulating ransomware attack
- Implement security awareness training program with phishing simulation
- Deploy conditional access policies enforcing multi factor authentication and device compliance
- Establish quarterly backup restoration testing schedule with documented results
Step 3: Maintain Comprehensive Documentation
Insurers require evidence of implemented controls, not mere attestations. Queensland businesses should maintain:32
- Multi factor authentication enforcement reports from Microsoft 365, VPN or identity platforms showing enabled users and blocked legacy authentication attempts
- Backup logs demonstrating successful backups, immutability status and restoration test results
- Patch management reports listing installed updates, pending patches and average time to patch metrics
- Endpoint detection and response deployment confirmation showing coverage across estate
- Essential Eight maturity assessment reports from third party auditors
- Incident response plan with version control, review dates and exercise after action reports
- Security awareness training completion certificates for all staff
- Vulnerability scan reports with remediation tracking
This documentation becomes critical during claim lodgement, as insurers will request evidence to verify policy compliance before authorising payment.33
Step 4: Establish Ransomware Reporting Procedures
Queensland businesses meeting the Cyber Security Act 2024 reporting thresholds must establish ransomware reporting procedures:34
- Identify reporting triggers (any payment in response to ransomware demand)
- Designate responsible persons (typically IT Manager, Legal Counsel, Chief Financial Officer)
- Prepare reporting template pre populating Australian Signals Directorate form with business details
- Establish 72 hour workflow defining decision making process
- Notify insurer concurrently ensuring policy reporting requirements are met within insurer specified timeframes
Businesses should integrate ransomware reporting obligations into incident response plans with clear escalation pathways ensuring legal, insurance and regulatory reporting occurs in parallel.35
Conclusion
The era of cyber insurance as financial safety net without operational obligations has ended. Australian insurers now treat cyber policies as conditional coverage, requiring businesses to demonstrate and maintain minimum security standards as prerequisites for protection. For Queensland businesses, denied cyber insurance claims are not anomalies but the new normal for organisations failing to implement Essential Eight controls, enforce multi factor authentication, maintain tested backups and comply with ransomware reporting obligations.36
Queensland businesses cannot afford to treat cyber insurance applications as aspirational exercises. Every warranty, every security control representation and every compliance attestation becomes contractual obligation that, if breached, voids coverage when most needed. If your business lacks documented evidence of multi factor authentication enforcement, immutable backups, Essential Eight Maturity Level 2 and tested incident response procedures, your cyber insurance policy may be worthless.37
Legal advice before policy application and ongoing compliance auditing throughout the policy period is no longer optional. It is the difference between financial survival and insolvency in the aftermath of a cyberattack.
Need Cyber Insurance Compliance Advice?
Bell & Senior Lawyers can review your cyber security compliance posture and advise on protecting cyber insurance coverage under Queensland and federal obligations.
Get cyber risk advice from Queensland technology lawyers | Call (07) 5532 8777
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Cyber insurance criteria tighten in Australia and NZ, Insurance Business, August 2025; Setting the Record Straight on Cyber Insurance, Marsh McLennan, 2025. ↩︎
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Why Cyber Insurance Claims Get Denied (2025 Guide), ASI Networks, October 2025. ↩︎
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Cyber Security Act 2024, Federal Register of Legislation; New mandatory ransomware payment reporting obligations now in force, Gadens, June 2025. ↩︎
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Privacy Act 1988, AustLII; About the Notifiable Data Breaches scheme, OAIC. ↩︎
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Why Cyber Insurance Claims Get Denied (n 2). ↩︎
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3 Times Businesses Were Denied Cyber Insurance Payouts, Managed IT, September 2022. ↩︎
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Ibid. ↩︎
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Essential Eight maturity model, Australian Cyber Security Centre, 2023; Future of Cyber Security for Australian Businesses in 2026, IT Connexion, November 2025. ↩︎
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Essential Eight Maturity Model November 2023 Update, AC3, December 2023; Essential Eight Maturity Model, Australian Signals Directorate, November 2023. ↩︎
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Essential Eight Maturity Model: A Complete Guide, Matrix Solutions, May 2025. ↩︎
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Future of Cyber Security for Australian Businesses (n 8); Cyber insurance criteria tighten (n 1). ↩︎
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Multi-Factor Authentication (MFA) Cyber Insurance Requirement, Insureon, December 2024; Why Cyber Insurance Providers Now Require MFA Security?, miniOrange, September 2025. ↩︎
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Why Cyber Insurance Providers Now Require MFA (n 12); Cybersecurity for Australian Businesses The Complete 2026 Guide, The Cyber Guy AU, December 2025. ↩︎
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Cybersecurity for Australian Businesses (n 13). ↩︎
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Multi-Factor Authentication Cyber Insurance Requirement (n 12); 3 Times Businesses Were Denied Cyber Insurance Payouts (n 6). ↩︎
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Cybersecurity for Australian Businesses (n 13). ↩︎
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Ibid. ↩︎
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Report: Australian businesses are overconfident when it comes to ransomware preparedness, CyberDaily, November 2025. ↩︎
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Cyber Security Act 2024 (n 3); New mandatory ransomware payment reporting obligations (n 3). ↩︎
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Mandatory ransomware and cyber extortion payment reporting is active from 30 May 2025, Department of Home Affairs, 2025. ↩︎
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Ibid. ↩︎
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Mandatory reporting of ransomware payments now in effect, AFS Bendigo, June 2025; Mandatory ransomware payment reporting factsheet (n 20). ↩︎
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Cybersecurity for Australian Businesses (n 13). ↩︎
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Ibid; Mandatory ransomware payment reporting factsheet (n 20). ↩︎
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Information Privacy Act 2009, Queensland Legislation; Mandatory notification of data breach, Office of the Information Commissioner Queensland, July 2025. ↩︎
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Mandatory notification of data breach (n 25); Queensland’s IPOLA Guidelines: new Mandatory Notification Data Breach scheme, Ashurst, April 2025. ↩︎
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Mandatory notification of data breach (n 25). ↩︎
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About the Notifiable Data Breaches scheme (n 4); Queensland’s IPOLA Guidelines (n 26). ↩︎
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Cybersecurity for Australian Businesses (n 13). ↩︎
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Essential Eight Maturity Model: A Complete Guide (n 10). ↩︎
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Cybersecurity for Australian Businesses (n 13). ↩︎
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Ibid. ↩︎
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Why Cyber Insurance Claims Get Denied (n 2); 3 Times Businesses Were Denied Cyber Insurance Payouts (n 6). ↩︎
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New mandatory ransomware payment reporting obligations (n 3); Mandatory ransomware payment reporting factsheet (n 20). ↩︎
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Cybersecurity for Australian Businesses (n 13). ↩︎
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Cyber insurance criteria tighten (n 1); Why Cyber Insurance Claims Get Denied (n 2). ↩︎
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Why Cyber Insurance Costs Are Rising in Australia, TechPath, February 2025. ↩︎