Managed Microsoft Defender Services
Managed Microsoft Defender is a fully managed endpoint and email security service — Mycelium 365 deploys, configures, and monitors Microsoft Defender for Australian businesses so threats are detected and contained before they cause damage.
The ASD's Annual Cyber Threat Report 2023–24 reported that over 87,000 cybercrime reports were made in Australia in 2023–24 — one report every six minutes. Ransomware remains the most destructive cybercrime type reported by Australian businesses. (Source: ASD Annual Cyber Threat Report 2023–24)
End-to-end Microsoft Defender management — Office 365, Endpoint, Identity and Cloud Apps — configured, monitored and tuned for Australian organisations that need measurable security uplift.
Security by Design, People First..Always.
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Comprehensive Threat Protection
Management of Microsoft Defender for Office 365, Endpoint, Identity, and Cloud Apps with real-time threat detection.
24/7 Monitoring & Incident Response
Continuous monitoring of Defender security alerts with rapid triage and response, aligned with your business priorities.
Configuration & Policy Management
Maintenance of security policies, ongoing tuning, and DMARC/SPF/DKIM configuration for email deliverability.
Reporting & Insights
Security incident reports for senior management, threat analytics, trend reporting, and technical deep dives.
Proactive Maintenance
Regular policy reviews, deployment of new Defender features, health checks, and performance tuning.
Expert Support
Access to our level 3 cybersecurity experts for advanced threat handling and guidance.
Benefits
Mycelium 365's managed security service can be paired with leading security awareness training platforms including KnowBe4, Hoxhunt and Microsoft Defender for Office 365 Attack Simulation Training. Simulated phishing campaigns and ongoing user education combined with Defender's email, endpoint and identity threat protection create a layered security posture — technology controls catching the threats that slip past people, and trained people catching the social-engineering attempts that slip past technology. For Australian businesses aligning to the ACSC Essential Eight, this pairing addresses both the user-awareness and technical mitigation strategies in a single managed service. Microsoft Defender for Endpoint blocks over 6.5 billion threat signals per day across its global network — making it one of the largest threat intelligence datasets available to any endpoint security product. (Source: Microsoft Digital Defense Report 2024)
Who Is This For?
- SMBs and enterprises using Microsoft 365
- Organisations without a dedicated security team
- Businesses seeking to enhance their cybersecurity maturity
Our managed Defender service is backed by a fully managed Security Operations Centre powered by Huntress — 24/7 threat detection and human-led response included.

