Use advanced hunting to Identify Defender clients with outdated definitions

In an ideal world all of our devices are fully patched and the Microsoft Defender antivirus agent has the latest definition updates installed. Unfortunately reality is often different. When using Microsoft Endpoint Manager we can find devices with outdated definition Read More …

Deploying Defender ASR – Block persistence through WMI event subscription

Last week Microsoft released the DRAFT Security baseline for Windows 10 and Windows Server, version 20H2. Although available since Windows 10 1903, the attack surface reduction rule ‘Block persistence through WMI event subscription’ is now being included into the recommended Read More …

Windows Defender, More than just Antivirus – Part 1

Due to my professional activity as a Cyber Security Consultant, I regularly speak with customers about Windows Defender and find that many are not fully aware of all the features and capabilities that Windows Defender offers. Also, when reviewing existing Read More …

Monitoring Windows Defender Cloud Protection Service connectivity with ConfigMgr

Hello everyone, earlier this week I wrote a blog post how to test Microsoft Defender Cloud Protection Service (MAPS) with PowerShell. Today I would like to share a possible approach how to actively monitor MAPS Connectivity across all your devices Read More …

Managing Windows Defender / System Center Endpoint Security with PowerShell

I just read a blog post from Ed Wilson (Scripting Guy) about Use PowerShell to Configure Windows Defender Preferences and wondered if there’s more here. And yes there is. If you have a default insallation of Windows 8 and have Read More …