Microsoft 365 Defender is one of the key Security suite which is now being adopted by multiple Organizations, Microsoft 365 Defender has multiple products and solutions and each play a vital role in your Organizational security.
To get a Quick overview you of Microsoft 365 Defender you can access the Interactive guide below
Access here: Microsoft 365 Defender interactive guide
Access the complete product documentation and resource references here: Microsoft 365 Defender
To know more you can access the Virtual Ninja trainings from @HeikeRitter MSFT
Access here : Microsoft 365 Defender Virtual Ninja Training
Microsoft Sentinel plays a vital role in your Security Infrastructure delivering intelligent security analytics and threat intelligence across the enterprise.
Access the documentation and resource references here : Microsoft Sentinel documentation
Also review the Microsoft Sentinel Best practices e-book and documentation below
Download E-book here: Azure Sentinel Deployment Best practices
Technical Documentation here: Best practices for Microsoft Sentinel
Register for the upcoming Microsoft Sentinel Unveiled Series
Additionally, I came across an excellent Notes from the field article using Microsoft Security and Microsoft 365 Defender from David Caddick MSFT which provides great walkthrough of the Microsoft Defender products in action and show cases how you can get the best out of it.
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