April 16, 2025

Cyber Signals Issue 9 | AI-powered deception: Emerging fraud threats and countermeasures

Introduction | Security snapshot | Threat briefingDefending against attacks | Expert profile  Microsoft maintains a continuous effort to protect its platforms and customers from fraud and […]
April 16, 2025

Threat actors misuse Node.js to deliver malware and other malicious payloads

Since October 2024, Microsoft Defender Experts (DEX) has observed and helped multiple customers address campaigns leveraging Node.js to deliver malware and other payloads that ultimately lead […]
April 10, 2025

Stopping attacks against on-premises Exchange Server and SharePoint Server with AMSI

Exchange Server and SharePoint Server are business-critical assets and considered crown jewels for many organizations, making them attractive targets for attacks. To help customers protect their […]
April 10, 2025

How cyberattackers exploit domain controllers using ransomware

In recent years, human-operated cyberattacks have undergone a dramatic transformation. These attacks, once characterized by sporadic and opportunistic attacks, have evolved into highly sophisticated, targeted campaigns […]
April 9, 2025

Meet the Deputy CISOs who help shape Microsoft’s approach to cybersecurity

Microsoft launched its Cybersecurity Governance Council in 2024, and with it, named a group of deputy chief information security officers that ensure comprehensive oversight of the […]