Microsoft has identified a new North Korean threat actor, now tracked as Moonstone Sleet (formerly Storm-1789), that uses both a combination of many tried-and-true techniques used by other North Korean threat actors and unique attack methodologies to target companies for its financial and cyberespionage objectives. Moonstone Sleet is observed to set...

In the ever-evolving landscape of cyberthreats, staying ahead of malicious actors is a constant challenge. Microsoft Threat Intelligence has observed that gift cards are attractive targets for fraud and social engineering practices. Unlike credit or debit cards, there’s no customer name or bank account attached to them, which can lessen scrutiny...

Ahead of the Microsoft Build 2024 conference, we announced a new class of Windows computers, Copilot+ PC. Alongside this exciting new class of PCs, we are introducing important security features and updates that make Windows 11 more secure for users and organizations and give developers the tools to prioritize security. Today’s threat landscape...

Since mid-April 2024, Microsoft Threat Intelligence has observed the threat actor Storm-1811 misusing the client management tool Quick Assist to target users in social engineering attacks. Storm-1811 is a financially motivated cybercriminal group known to deploy Black Basta ransomware. The observed activity begins with impersonation through voice phishing...

We are pleased to announce that Microsoft has been recognized as a Leader in the Gartner® Magic Quadrant™ for Security Information and Event Management (SIEM).1  We believe our position in the Leaders quadrant validates our vision and continued investments in Microsoft Sentinel making it a best-in-class, cloud-native SIEM solution. In addition, we are...

The identity security landscape is transforming rapidly. Every digital experience and interaction is an opportunity for people to connect, share, and collaborate. But first, we need to know we can trust those digital experiences and interactions. Customers note a massive rise in the sheer number of identities they need to enable, connect, and protect....