When we launched the Secure Future Initiative, our mission was clear: accelerate innovation, strengthen resilience, and lead the industry toward a safer digital future. Today, we’re sharing our latest progress report that reflects steady progress in every area and engineering…
Tag: Microsoft Security Blog
Whisper Leak: A novel side-channel attack on remote language models
Microsoft has discovered a side-channel attack on language models which allows adversaries to conclude model conversation topics, despite being encrypted. The post Whisper Leak: A novel side-channel attack on remote language models appeared first on Microsoft Security Blog. This article…
New IDC research highlights a major cloud security shift
New IDC research shows why CISOs must move toward AI-powered, integrated platforms like CNAPP, XDR, and SIEM to reduce risk, cut complexity, and strengthen resilience. The post New IDC research highlights a major cloud security shift appeared first on Microsoft…
Securing critical infrastructure: Why Europe’s risk-based regulations matter
Learn how CISOs can use new European Union legislation to strengthen their cybersecurity measures. The post Securing critical infrastructure: Why Europe’s risk-based regulations matter appeared first on Microsoft Security Blog. This article has been indexed from Microsoft Security Blog Read…
Learn what generative AI can do for your security operations center
This new e-book showcases what generative AI can do for your SOC, from reducing alert fatigue and enabling quicker triage to getting ahead of cyberattacks with proactive threat hunting, and more. The post Learn what generative AI can do for…
SesameOp: Novel backdoor uses OpenAI Assistants API for command and control
Microsoft Incident Response – Detection and Response Team (DART) researchers uncovered a new backdoor that is notable for its novel use of the OpenAI Assistants Application Programming Interface (API) as a mechanism for command-and-control (C2) communications. Instead of relying on…
The 5 generative AI security threats you need to know about detailed in new e-book
In this blog post, we’ll highlight the key themes covered in the e-book, including the challenges organizations face, the top generative AI threats to organizations, and how companies can enhance their security posture to meet the dangers of today’s unpredictable…
Harden your identity defense with improved protection, deeper correlation, and richer context
Expanded ITDR features—including the new Microsoft Defender for Identity sensor, now generally available—bring improved protection, correlation, and context to help customers modernize their identity defense. The post Harden your identity defense with improved protection, deeper correlation, and richer context appeared…
The CISO imperative: Building resilience in an era of accelerated cyberthreats
The latest Microsoft Digital Defense Report 2025 paints a vivid picture of a cyberthreat landscape in flux. The surge in financially motivated cyberattacks and the persistent risk of nation-state actors demand urgent attention. But for those of us in the…
The new Microsoft Security Store unites partners and innovation
The Microsoft Security Store is the gateway for customers to easily discover, buy, and deploy trusted security solutions and AI agents from leading partners. The post The new Microsoft Security Store unites partners and innovation appeared first on Microsoft Security Blog.…
Inside the attack chain: Threat activity targeting Azure Blob Storage
Azure Blob Storage is a high-value target for threat actors due to its critical role in storing and managing massive amounts of unstructured data at scale across diverse workloads and is increasingly targeted through sophisticated attack chains that exploit misconfigurations,…
Microsoft named a Leader in the 2025 Gartner® Magic Quadrant™ for SIEM
We’re honored to share that Microsoft has again been recognized as a Leader in the 2025 Gartner® Magic Quadrant™ for Security Information and Event Management (SIEM). The post Microsoft named a Leader in the 2025 Gartner® Magic Quadrant™ for SIEM…
Extortion and ransomware drive over half of cyberattacks
In 80% of the cyber incidents Microsoft’s security teams investigated last year, attackers sought to steal data—a trend driven more by financial gain than intelligence gathering. The post Extortion and ransomware drive over half of cyberattacks appeared first on Microsoft…
The importance of hardening customer support tools against cyberattacks
As customer support tools become more connected and data-rich, they’re increasingly targeted by cyberattacks. Hardening these systems is no longer optional—it’s essential to protect customer trust, sensitive data, and business continuity. The post The importance of hardening customer support tools…
Microsoft raises the bar: A smarter way to measure AI for cybersecurity
ExCyTIn-Bench is Microsoft’s newest open-source benchmarking tool designed to evaluate how well AI systems perform real-world cybersecurity investigations. The post Microsoft raises the bar: A smarter way to measure AI for cybersecurity appeared first on Microsoft Security Blog. This article…
Building a lasting security culture at Microsoft
At Microsoft, building a lasting security culture is more than a strategic priority—it is a call to action. Security begins and ends with people, which is why every employee plays a critical role in protecting both Microsoft and our customers.…
Securing agentic AI: Your guide to the Microsoft Ignite sessions catalog
Security is a core focus at Microsoft Ignite 2025, reflected in dedicated sessions and hands-on experiences designed for security professionals and leaders. Take a look at the session catalog. The post Securing agentic AI: Your guide to the Microsoft Ignite…
Investigating targeted “payroll pirate” attacks affecting US universities
Microsoft Threat Intelligence has identified a financially motivated threat actor that we track as Storm-2657 compromising employee accounts to gain unauthorized access to employee profiles and divert salary payments to attacker-controlled accounts, attacks that have been dubbed “payroll pirate”. The…
Disrupting threats targeting Microsoft Teams
Threat actors seek to abuse Microsoft Teams features and capabilities across the attack chain, underscoring the importance for defenders to proactively monitor, detect, and respond effectively. In this blog, we recommend countermeasures and optimal controls across identity, endpoints, data apps,…
New Microsoft Secure Future Initiative (SFI) patterns and practices: Practical guides to strengthen security
Microsoft Secure Future Initiative (SFI) patterns and practices are practical, actionable, insights from practitioners for practitioners based on Microsoft’s implementation of Zero Trust through the Microsoft Secure Future Initiatives. By adopting these patterns, organizations can accelerate their security maturity, reduce implementation friction, and build systems that…