Is your goal to secure a specific Microsoft 365 tenant or to manage risk across your entire business estate? Defend 365 offers elite, AI-driven configuration auditing for M365. Guardian360 provides a complete governance platform that covers your network, web apps, and compliance reporting in one view.
Defend 365 is a powerhouse for SaaS-only security. Their "SIA" assistant provides deep, daily checks on 280+ M365-specific points. It’s perfect for organizations that live 100% in the cloud and need a specialized tool to prevent configuration drift.
Choose Guardian360 for comprehensive governance. While Defend 365 focuses on the inbox, we secure the entire house. From scanning web apps to placing network honeypots, we provide the broad technical verification needed for ISO 27001 or NIS2.
Specialist vs. Broad Spectrum
The choice comes down to your attack surface. For "Deep M365 hardening," Defend 365 is effective. For MSPs with hybrid environments, Guardian360 links technical security to business-wide risk management.
Secure more than just your cloud.
Ready to see how Guardian360 validates your entire security posture—from your cloud identity to your physical network?
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To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
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The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
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