How to use Automatic Attack Disruption in Microsoft 365 Defender (BEC, AiTM & HumOR)
Last year Microsoft announced a new feature called; Automatic attack disruption which uses correlated insights from the Microsoft 365 ecosystem and powerful AI models to stop sophisticated attack techniques while the attack is in progress. Automatic attack disruption supports the adversary-in-the-middle (AiTM) attacks….
AiTM/ MFA phishing attacks in combination with “new” Microsoft protections (2023 edition)
Adversary-in-the-middle phishing attacks are still more common in use. Since the removal of basic authentication from Exchange Online more and more attackers are using more modern attacks like adversary-in-the-middle phishing, cookie theft, and other used attacks. Last year I blogged about several modern…
How to implement Defender for Identity and configure all prerequisites
Microsoft Defender for Identity MDI (previously called Azure Advanced Threat Protection or Azure ATP) is a Microsoft security solution that captures signals from Domain Controllers. MDI is a cloud-based security solution that leverages on-premises Active Directory signals for detecting identity attacks. I often…
Detect and block Credential Dumps with Defender for Endpoint & Attack Surface Reduction
Credential dumping or password dump is a technique used by cybercriminals to gain access to a network. They will enter the workstation through phishing and controls through the typical way the admin uses and monitors the network to find more exposed credentials (Lateral…
Use Microsoft Defender for Identity Response Actions for on-premises AD accounts
Microsoft announced recently the public availability of the native response actions in Defender for Identity. Security teams can now directly impact the on-premises AD account from one single experience part of the Defender security portal. In this blog post, the new long-awaited response…
Protecting against Lateral Movement with Defender for Identity and monitor with Azure Sentinel
Lateral movement refers to the techniques that a cyber attacker uses, after gaining initial access, to move deeper into a network in search of sensitive data and other high-value assets. After entering the network, the attacker maintains ongoing access by moving through the…
PrintNightmare – Use Microsoft Defender/ Sentinel toolings to get insights
Technical details and a proof-of-concept (PoC) exploit have been accidentally leaked for a currently unpatched vulnerability in Windows that makes remote code execution possible. The issue affects Windows Print Spooler. The researchers named it PrintNightmare. Currently, the latest June 2021 security patches do not…
