LATEST BLOGS
2025 Microsoft Defender Optimization & Configuration Cheat Sheet
With just 2 remaining months in 2025, it is a good idea to check the Microsoft Defender environment and check of new features are correctly configured. In recent months, Microsoft has released numerous new features and security solutions to protect…
AiTM/ MFA phishing attacks in combination with “new” Microsoft protections (2025 edition)
Adversary-in-the-middle phishing attacks are still more common in use, in the last year and the start of 2025 there is still a more visible increase in AiTM/ MFA phishing. Since the removal of basic authentication from Exchange Online more and…
How to store Defender XDR data for years in Sentinel data lake without expensive ingestion cost
In recent years, an increasing number of customers have requested options to extend retention in Microsoft Defender XDR beyond the default 30 days at a low cost, all with the requirement of having the KQL experience available. Blog information: Feature is…
Microsoft Sentinel data lake: How to use/enable and set-up the unified data lake
Microsoft released the new Microsoft Sentinel data lake in public preview this month. With the data lake feature, it is possible to scale and store data more easily for less cost. The new Microsoft Sentinel data lake is a new…
Defender for Office 365 Auto-Remediation of Malicious Messages (AIR)
In Defender for Office Automated Investigation and Response (AIR) is important. Microsoft has improved the features surrounding Auto-Remediation of Malicious Messages in the Automated Investigation and Response (AIR) capability over the past months, aiming to avoid manual actions when malicious…
Automated incident triage with Security Copilot and Microsoft Sentinel/ Defender XDR
With the use of Security Copilot, it is possible to enrich and triage alerts automatically using GenAI data. Microsoft recently developed new SOC automation playbooks to accelerate AI-automated triage based on Security Copilot and Microsoft Sentinel. Since the launch of…
AI workload threat protection in Microsoft Defender for Cloud
Recently, Microsoft announced a new protection plan for AI workloads as part of the Microsoft Defender for Cloud suite. AI security is becoming more important as AI continues to rise, with more products and companies leveraging its capabilities.” This version…
Configure automatic Attack Disruption in Microsoft Defender XDR
Microsoft Defender XDR includes a powerful response capability with the name Attack Disruption. As part of the Defender XDR solution attack disruption capabilities can protect the environment against sophisticated, high-impact attacks. Attack Disruption works automatically; however, it still needs manual…
How to protect against Device Code Flow abuse (Storm-2372 attacks) and block the authentication flow
Since August 2024 there has been a sophisticated phishing campaign actively leveraging the device code authorization flow. Currently, there is a wide range of attacks targeting a wide range of sectors including government/ IT services and critical industries. The attack…
Common mistakes during Microsoft Defender for Endpoint deployments
Microsoft Defender for Endpoint (MDE) is part of Microsoft Defender XDR and can be deployed via multiple configurations. During my experience with the product, I deployed/ reviewed and evaluated many Defender for Endpoint instances and configured new instances for many…
