1630 matches found
Protecting customers from Octo Tempest attacks across multiple industries
In recent weeks, Microsoft has observed Octo Tempest, also known as Scattered Spider, impacting the airlines sector, following previous activity impacting retail, food services, hospitality organizations, and insurance between April and July 2025. This aligns with Octo Tempest’s typical patterns ...
Improving IT efficiency with Microsoft Security Copilot in Microsoft Intune and Microsoft Entra
When Microsoft introduced Microsoft Security Copilot last year, our vision was to empower organizations with generative AI that helps security and IT teams simplify operations and respond faster. Since then, we’ve continuously innovated and learned alongside our customers. They consistently tell ...
Forrester names Microsoft a Leader in the 2025 Zero Trust Platforms Wave™ report
We are proud to share that Forrester has named Microsoft a Leader in The Forrester Wave™: Zero Trust Platforms, Q3 2025 report, ranking us highest in the strategy category. With so many strong vendors and solutions in the Zero Trust space, you need solid data to make the right choice for your...
Microsoft expands Zero Trust workshop to cover network, SecOps, and more
Building on identity, devices, and data, the workshop now covers network, infrastructure, and SecOps As the nature of cyberthreats and security challenges evolve, organizations have coalesced around a Zero Trust architecture as the approach to modernize their end-to-end security adoption and...
Enhancing Microsoft 365 security by eliminating high-privilege access
In this blog you will hear directly from Microsoft’s Deputy Chief Information Security Officer CISO for Experiences and Devices, Naresh Kannan, about eliminating high-privileged access across all Microsoft 365 applications. This blog is part of an ongoing series where our Deputy CISOs share their...
Learn how to build an AI-powered, unified SOC in new Microsoft e-book
The sheer volume of cyberattacks continues to increase at a breathtaking scale worldwide, with customers facing more than 600 million cybercriminal and nation-state attacks every day.1 To stem the growing tide of malicious cyber activity takes a commitment from all of us—individuals from operatio...
Planning your move to Microsoft Defender portal for all Microsoft Sentinel customers
In November 2023, Microsoft announced our strategy to unify security operations by bringing the best of XDR and SIEM together. Our first step was bringing Microsoft Sentinel into the Defender portal, giving teams a single, comprehensive view of incidents, reducing queue management, enriched threa...
Jasper Sleet: North Korean remote IT workers’ evolving tactics to infiltrate organizations
Since 2024, Microsoft Threat Intelligence has observed remote information technology IT workers deployed by North Korea leveraging AI to improve the scale and sophistication of their operations, steal data, and generate revenue for the Democratic People’s Republic of Korea DPRK. Among the changes...
Unveiling RIFT: Enhancing Rust malware analysis through pattern matching
Today, Microsoft Threat Intelligence Center is excited to announce the release of RIFT , a tool designed to assist malware analysts automate the identification of attacker-written code within Rust binaries. Known for its efficiency, type safety, and robust memory safety, Rust has increasingly...
Building security that lasts: Microsoft’s journey towards durability at scale
In this blog you will hear directly from Microsoft’s Deputy Chief Information Security Officer CISO for Azure and operating systems, Mark Russinovich, about how Microsoft operationalized security durability at scale. This blog is part of an ongoing series where our Deputy CISOs share their though...
Microsoft Named a Leader in the 2025 IDC CNAPP MarketScape: Key Takeaways for Security Buyers
The cloud-native application protection platform CNAPP market continues to evolve rapidly as organizations look to secure increasingly complex cloud environments. In the recently published 2025 IDC MarketScape for Worldwide CNAPP, Microsoft has been recognized as a Leader, reaffirming its...
Microsoft is named a Leader in The Forrester Wave™: Security Analytics Platforms, 2025
What is a security operations center? Learn more ↗ Microsoft is proud to be named a Leader in The Forrester Wave™: Security Analytics Platforms, Q2 2025—which we believe reflects our deep investment in innovation and commitment to support security operations centers SOCs’s critical mission. This...
Navigating cyber risks with Microsoft Security Exposure Management eBook
Imagine steering a vessel through Arctic waters where 90% of iceberg mass lies hidden beneath the surface; your lookouts equipped only with telescopes and blind to the submerged threats. This parallels today's cybersecurity landscape: According to the Microsoft Digital Defense Report 2024, nearly...
Data Breach Reporting for regulatory requirements with Microsoft Data Security Investigations
Seventy-four percent of organizations surveyed experienced at least one data security incident with their business data exposed in the previous year as reported in Microsoft’s Data Security Index: Trends, insights, and strategies to secure data report. Despite the best people, process and...
Cyber resilience begins before the crisis
In this blog you will hear directly from Microsoft’s Deputy Chief Information Security Officer CISO for Customer Security, Ann Johnson, about the need for proactive planning in cyber incidents, particularly surrounding communications. This blog is part of a new, ongoing series where our Deputy...
Connect with us at the Gartner Security & Risk Management Summit
Security professionals visiting booths scattered around a hall, eager for solutions to today’s top cybersecurity challenges to protect their resources and people. The hum of hundreds of conversations. Presenters in packed sessions sharing expertise, trends, and stories to energize attendees. Few...
Meet the Deputy CISOs who help shape Microsoft’s approach to cybersecurity: Part 3
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 company’s cybersecurity risk, defense, and compliance. These leaders work in tandem with product and engineering...
How Microsoft Defender for Endpoint is redefining endpoint security
Securing your digital estate with endpoint detection and response EDR across all platforms, devices, and Internet of Things IoT has never been more challenging. A rapidly evolving cyberthreat landscape has seen cyberattacks grow in sophistication, evolving from randomized single domain cyberattac...
Discover how automatic attack disruption protects critical assets while ensuring business continuity
Traditional security solutions often operate in a one-size-fits-all alert model that treats every detection equally, regardless of how important the asset is. But not all assets are equal. Critical assets are systems governing access, identity, or sensitive data. They are essential to an...
Announcing a new strategic collaboration to bring clarity to threat actor naming
In today’s cyberthreat landscape, even seconds of delay can mean the difference between stopping a cyberattack or falling victim to ransomware. One major cause of delayed response is understanding threat actor attribution, which is often slowed by inaccurate or incomplete data as well as...
Defending against evolving identity attack techniques
In today’s evolving cyber threat landscape, threat actors are committed to advancing the sophistication of their attacks. The increasing adoption of essential security features like multifactor authentication MFA, passwordless solutions, and robust email protections has changed many aspects of th...
How to deploy AI safely
In this blog you will hear directly from Corporate Vice President and Deputy Chief Information Security Officer CISO for AI, Yonatan Zunger, about how to build a plan to deploy AI safely. This blog is part of a new ongoing series where our Deputy CISOs share their thoughts on what is most importa...
The future of AI agents—and why OAuth must evolve
I believe we're at the beginning of something extraordinary. Today's AI agents are already impressive—they're helping software engineers write code, assisting site reliability teams in troubleshooting systems, and handling a variety of analytical tasks. Yet, as capable as these specialized agents...
New Russia-affiliated actor Void Blizzard targets critical sectors for espionage
Executive summary: Void Blizzard is a new threat actor Microsoft Threat Intelligence has observed conducting espionage operations primarily targeting organizations that are important to Russian government objectives. These include organizations in government, defense, transportation, media, NGOs,...
Lumma Stealer: Breaking down the delivery techniques and capabilities of a prolific infostealer
Over the past year, Microsoft observed the persistent growth and operational sophistication of Lumma Stealer, an infostealer malware used by multiple financially motivated threat actors to target various industries. Our investigation into Lumma Stealer’s distribution infrastructure reveals a...
Microsoft extends Zero Trust to secure the agentic workforce
Microsoft’s 2025 Work Trend Index Read more ↗ Agentic AI transformation is giving rise to the Frontier Firm—a new type of organization characterized by on-demand intelligence and a workforce where humans and agents work in tandem. According to Microsoft’s 2025 Work Trend Index, we expect every...
How the Microsoft Secure Future Initiative brings Zero Trust to life
In this blog, you'll learn more about how the Microsoft Secure Future Initiative SFI—a real-world case study on Zero Trust—aligns with Zero Trust strategies. We’ll share key updates from the April 2025 SFI progress report and practical Zero Trust guidance to help you strengthen your organization’...
Marbled Dust leverages zero-day in Output Messenger for regional espionage
Since April 2024, the threat actor that Microsoft Threat Intelligence tracks as Marbled Dust has been observed exploiting user accounts that have not applied fixes to a zero-day vulnerability CVE-2025-27920 in the messaging app Output Messenger, a multiplatform chat software. These exploits have...
Marbled Dust leverages zero-day in Output Messenger for regional espionage
Since April 2024, the threat actor that Microsoft Threat Intelligence tracks as Marbled Dust has been observed exploiting user accounts that have not applied fixes to a zero-day vulnerability CVE-2025-27920 in the messaging app Output Messenger, a multiplatform chat software. These exploits have...
Meet the Deputy CISOs who help shape Microsoft’s approach to cybersecurity: Part 2
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 company’s cybersecurity risk, defense, and compliance. These leaders work in tandem with product and engineering...
Meet the Deputy CISOs who help shape Microsoft’s approach to cybersecurity: Part 2
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 company’s cybersecurity risk, defense, and compliance. These leaders work in tandem with product and engineering...
Microsoft partners with Global Anti-Scam Alliance to fight cybercrime
Being the victim of a scam can be devastating. Unfortunately, the number of people who can attest to the truth of this statement, either because they themselves have been scammed or because it has happened to someone they know, is growing. The Global Anti-Scam Alliance GASA reports that in 2024...
Microsoft partners with Global Anti-Scam Alliance to fight cybercrime
Being the victim of a scam can be devastating. Unfortunately, the number of people who can attest to the truth of this statement, either because they themselves have been scammed or because it has happened to someone they know, is growing. The Global Anti-Scam Alliance GASA reports that in 2024...
Analyzing CVE-2025-31191: A macOS security-scoped bookmarks-based sandbox escape
In April 2024, Microsoft uncovered a vulnerability in macOS that could allow specially crafted codes to escape the App Sandbox and run unrestricted on the system. An attacker could create an exploit to escape the App Sandbox without user interaction required for any sandboxed app using...
Analyzing CVE-2025-31191: A macOS security-scoped bookmarks-based sandbox escape
In April 2024, Microsoft uncovered a vulnerability in macOS that could allow specially crafted codes to escape the App Sandbox and run unrestricted on the system. An attacker could create an exploit to escape the App Sandbox without user interaction required for any sandboxed app using...
Pushing passkeys forward: Microsoft’s latest updates for simpler, safer sign-ins
Happy World Passkey Day! As the world shifts from passwords to passkeys, we’re excited to join the FIDO Alliance in leaving “World Password Day” behind to celebrate the very first “World Passkey Day.” To commemorate this renaming, Microsoft and dozens of other organizations have taken the Passkey...
Pushing passkeys forward: Microsoft’s latest updates for simpler, safer sign-ins
Happy World Passkey Day! As the world shifts from passwords to passkeys, we’re excited to join the FIDO Alliance in leaving “World Password Day” behind to celebrate the very first “World Passkey Day.” To commemorate this renaming, Microsoft and dozens of other organizations have taken the Passkey...
14 secure coding tips: Learn from the experts at Microsoft Build
Hey friends! If you are a developer, you know that writing clean and efficient code is just the starting point. Now, with AI playing a bigger role, secure coding isn't just a 'nice-to-have'—it's a must. Whether you're building web apps, working on cloud services, or adding AI to your projects,...
14 secure coding tips: Learn from the experts at Microsoft Build
Hey friends! If you are a developer, you know that writing clean and efficient code is just the starting point. Now, with AI playing a bigger role, secure coding isn't just a 'nice-to-have'—it's a must. Whether you're building web apps, working on cloud services, or adding AI to your projects,...
Microsoft announces the 2025 Security Excellence Awards winners
In today’s rapidly evolving digital world, security requires a global community of defenders working together as a team to build a safer world for all. That’s why we’re thrilled to recognize the extraordinary individuals and organizations who have gone above and beyond in the fight against...
Microsoft announces the 2025 Security Excellence Awards winners
In today’s rapidly evolving digital world, security requires a global community of defenders working together as a team to build a safer world for all. That’s why we’re thrilled to recognize the extraordinary individuals and organizations who have gone above and beyond in the fight against...
Faster, more personalized service begins at the frontline with Microsoft Intune
In healthcare, patient trust often begins at the frontline with people who deliver care, respond to questions, and manage crucial in-the-moment decisions. Increasingly, those experiences are shaped by the tools frontline workers use. When devices are secure, responsive, and tailored to clinical...
Faster, more personalized service begins at the frontline with Microsoft Intune
In healthcare, patient trust often begins at the frontline with people who deliver care, respond to questions, and manage crucial in-the-moment decisions. Increasingly, those experiences are shaped by the tools frontline workers use. When devices are secure, responsive, and tailored to clinical...
Explore practical best practices to secure your data with Microsoft Purview
According to the Microsoft 2024 Data Security Index, organizations experience an average of 156 data security incidents annually, and this cyberthreat continues to be a top concern for data security decision-makers.1 A full 82% of security decision-makers believe a comprehensive, fully integrated...
Explore practical best practices to secure your data with Microsoft Purview
According to the Microsoft 2024 Data Security Index, organizations experience an average of 156 data security incidents annually, and this cyberthreat continues to be a top concern for data security decision-makers.1 A full 82% of security decision-makers believe a comprehensive, fully integrated...
New whitepaper outlines the taxonomy of failure modes in AI agents
We are releasing a taxonomy of failure modes in AI agents to help security professionals and machine learning engineers think through how AI systems can fail and design them with safety and security in mind. The taxonomy continues Microsoft AI Red Team's work to lead the creation of systematizati...
New whitepaper outlines the taxonomy of failure modes in AI agents
We are releasing a taxonomy of failure modes in AI agents to help security professionals and machine learning engineers think through how AI systems can fail and design them with safety and security in mind. The taxonomy continues Microsoft AI Red Team's work to lead the creation of systematizati...
Understanding the threat landscape for Kubernetes and containerized assets
The dynamic nature of containers can make it challenging for security teams to detect runtime anomalies or pinpoint the source of a security incident, presenting an opportunity for attackers to stay undetected. Microsoft Threat Intelligence has observed threat actors taking advantage of unsecured...
Securing our future: April 2025 progress report on Microsoft’s Secure Future Initiative
The Microsoft Secure Future Initiative SFI stands as the largest cybersecurity engineering project in history and most extensive effort of its kind at Microsoft. Since inception, we've dedicated the equivalent of 34,000 engineers working full-time for 11 months to mitigate risks and address the...
Microsoft’s Secure by Design journey: One year of success
Cybersecurity is one of the top risks facing businesses. Organizations are struggling to navigate the ever-evolving cyberthreat landscape in which 600 million identity attacks are carried out daily.1 The median time for a cyberattacker to access private data from phishing is 1 hour and 12 minutes...