Can SAM monitoring windows defender and get the status?
SAM allows you to create templates that can execute a script. If you know where a piece of information is, there is usually a way to grab it. There is a PowerShell script in the Thwack Shared Templates that could be a good start to getting that information. It appears to extract registry keys that may have the info you are looking for.
Yes
how?
There are a few ways depending on what you want to monitor. If you want to monitor the service or process itself, you can setup a Windows Service Monitor or Process Monitor. This will capture the status, CPU, Memory, and IO. Easiest way is to use the Component Monitor Wizard in SAM Settings to create a template and apply it to your endpoints. Use the Component Monitor Wizard in SAM (solarwinds.com)
I need more than that, i need get last scan, the definition signature is updated or not, etc. Its possible?