1630 matches found
Securing critical infrastructure: Why Europe’s risk-based regulations matter
The Deputy CISO blog series is where Microsoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...
Securing critical infrastructure: Why Europe’s risk-based regulations matter
The Deputy CISO blog series is where Microsoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...
The 5 generative AI security threats you need to know about detailed in new e-book
Generative AI is reshaping the way security teams operate—accelerating threat detection, automating workflows, and enabling scale. But as defenders embrace AI to strengthen their posture, cyberattackers are doing the same to evolve faster than traditional defenses can adapt. Microsoft’s 2025...
The importance of hardening customer support tools against cyberattacks
The Deputy CISO blog series is whereMicrosoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...
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.1 It helps business leaders assess language models by simulating realistic cyberthreat scenarios and providing clear, actionable insights into...
Inside Microsoft Threat Intelligence: Calm in the chaos
Leading Through the Worst Day Incident response is never orderly. Threat actors don’t wait. Environments are compromised. Data is missing. Confidence is shaken. But for Microsoft’s Incident Response IR team, that chaos is exactly where the work begins. In Episode 1, we showed how Microsoft Threat...
XCSSET evolves again: Analyzing the latest updates to XCSSET’s inventory
Microsoft Threat Intelligence has identified yet another XCSSET variant in the wild that introduces further updates and new modules beyond those detailed in our March 2025 blog post. The XCSSET malware is designed to infect Xcode projects, typically used by software developers, and run while an...
Microsoft Purview innovations for your Fabric data: Unify data security and governance for the AI era
The Microsoft Fabric and Purview teams are thrilled to participate in the European Microsoft Fabric Community Conference September 15-18, 2025, in Vienna, Austria. This event is Microsoft’s largest tech conference in Europe, where data professionals gather to connect and share insights on data,...
Connect with the security community at Microsoft Ignite 2025
In today’s AI-powered world, security professionals are facing unprecedented challenges—and opportunities. As generative AI reshapes the digital landscape, the need for robust, intelligent, and adaptive security strategies has never been more urgent. At Microsoft Ignite 2025, we will showcase...
Microsoft Entra Suite delivers 131% ROI by unifying identity and network access
In today’s AI-first world, identity and network access are the first touchpoints for enforcing least privilege and protecting against sophisticated, identity-based attacks—but for many organizations, that defense is fragmented. Siloed teams and disconnected tools create security gaps, operational...
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...
Cybersecurity IR Workshop: The workshop you shouldn’t miss
In this article 1. What is the Cybersecurity Incident Response Readiness Workshop? 2. Our approach: How we assess your maturity 3. Learn more Cybersecurity incidents can unfold in hours, but response plans often fail at the point of execution: ownership is unclear, investigation findings is...
From open lures to cloaked gates: How a macOS ClickFix campaign learned to hide
In this article 1. Activity overview 2. How ClickFix works 3. Campaign overview 4. ClickFix moved from open pages to fingerprinting gates 5. The fingerprinting gate 6. Mitigation and protection guidance 7. Indicators of compromise IOC 8. References 9. Learn more Microsoft Threat Intelligence...
Better security starts with better questions
As organizations move beyond AI experimentation, success will depend on how effectively they combine intelligence and trust. The same systems that amplify knowledge, accelerate decisions, and unlock new outcomes must also protect data, govern AI, and build resilience. In this next phase of...
Improving security posture across the Microsoft partner ecosystem
The Deputy CISO blog series is where Microsoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...
What’s new, updated, or recently released in Microsoft Security
New capabilities in Microsoft Agent 365; new Microsoft Defender and GitHub integration At Microsoft, security innovations are purpose-built to help every organization protect end-to-end with the speed and scale of AI. Our vision is simple: security should be ambient and autonomous, just like the ...
When tax season becomes cyberattack season: Phishing and malware campaigns using tax-related lures
In this article 1. A wide range of tax-themed campaigns 2. How to protect users and organization against tax-themed campaigns 3. Microsoft Defender detection and hunting guidance 4. Indicators of compromise During tax season, threat actors reliably take advantage of the urgency and familiarity of...
Detecting and analyzing prompt abuse in AI tools
This second post in our AI Application Security series is all about moving from planning to practice. AI Application Series 1: Security considerations when adopting AI tools established how AI adoption expands the attack surface and our threat-modelling guidance on the Microsoft security blog...
Detecting and mitigating common agent misconfigurations
Organizations are rapidly adopting agents, but attackers are equally fast at exploiting misconfigured AI workflows. Mis-sharing, unsafe orchestration, and weak authentication create new identity and data‑access paths that traditional controls don’t monitor. As agents become integrated into...
Turning threat reports into detection insights with AI
Security teams routinely need to transform unstructured threat knowledge, such as incident narratives, red team breach-path writeups, threat actor profiles, and public reports into concrete defensive action. The early stages of that work are often the slowest. These include extracting tactics,...
Security strategies for safeguarding governmental data
The Deputy CISO blog series is where Microsoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...
How to build forward-thinking cybersecurity teams for tomorrow
We are witnessing something unprecedented in cybersecurity: the democratization of advanced cyberattack capabilities. What once required nation-state resources sophisticated social engineering, polymorphic malware, coordinated infrastructure now fits in a prompt window. AI is no longer a futurist...
Charting the future of SOC: Human and AI collaboration for better security
Security operations centers are under pressure from unprecedented scale and complexity. Speed, precision, and consistency matter more than ever, and AI is everywhere—but hype alone doesn’t solve the challenge. This blog shares our journey and insights from building autonomous AI agents for MDR...
Agents built into your workflow: Get Security Copilot with Microsoft 365 E5
The cybersecurity landscape is at a historic inflection point. As cyberattackers wield AI to automate cyberattacks at extraordinary speed and scale, the challenge before us is not just to keep pace—but to leap ahead. There are over four million unfilled cybersecurity jobs, so depending solely on...
Securing our future: November 2025 progress report on Microsoft’s Secure Future Initiative
When we launched the Secure Future Initiative SFI, 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 pillar,...
Learn what generative AI can do for your security operations center
The busier security teams get, the harder it can be to understand the full impact of false positives, queue clutter, tool fragmentation, and more. But what is clear—it all adds up to increased fatigue and an increased potential to miss the cyberthreats that matter most. To help security teams...
Microsoft Purview delivered 30% reduction in data breach likelihood
In today’s digital-first world, data is both an asset and a liability. As organizations scale their use of cloud platforms, AI, and remote collaboration tools, the complexity of managing data security, data privacy, and regulatory compliance grows exponentially. For organizations, the challenge i...
Microsoft Defender delivered 242% return on investment over three years
The latest Forrester Total Economic Impact™ TEI study reveals a 242% return on investment ROI over three years for organizations that chose Microsoft Defender. It helps security leaders consolidate tools, reduce overhead, and empower their security operations SecOps teams with operational...
Securing and governing the rise of autonomous agents
In this blog, you will hear directly from Corporate Vice President and Deputy Chief Information Security Officer CISO for Identity, Igor Sakhnov, about how to secure and govern autonomous agents. This blog is part of a new ongoing series where our Deputy CISOs share their thoughts on what is most...
Quantum-safe security: Progress towards next-generation cryptography
Quantum computing promises transformative advancements, yet it also poses a very real risk to today’s cryptographic security. In the future scalable quantum computing could break public-key cryptography methods currently in use and undermine digital signatures, resulting in compromised...
Modernize your identity defense with Microsoft Identity Threat Detection and Response
In today’s fast-evolving landscape, where businesses balance on-premises systems and cloud resources, identity-based cyberthreats are growing more frequent and sophisticated. The question isn’t whether an identity attack will occur—but when. The numbers are staggering: In 2024 Microsoft saw an...
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 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...
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...
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...
New innovations in Microsoft Purview for protected, AI-ready data
The Microsoft Fabric and Microsoft Purview teams are excited to be in Las Vegas from March 31 to April 2, 2025, for the second annual and highly anticipated Microsoft Fabric Community Conference. With more than 200 sessions, 13 focused tracks, 21 hands-on workshops, and two keynotes, attendees ca...
Women’s History Month: Why different perspectives in cybersecurity and AI matter more than ever before
This Women’s History Month serves as a crucial moment for us to lead and continue to pave the way for a more inclusive future. I am truly honored to support my amazing women colleagues who continue to excel in their careers and am grateful to have so many allies who have extended their hands to...
Defenders wanted—building the new cybersecurity professionals
As part of Cybersecurity Awareness Month, we published a special blog post earlier this week featuring real-world experiences shared by cybersecurity professionals: people with diverse backgrounds in law, academia, software development, and other seemingly unrelated fields. This topic is near and...
Microsoft named a Leader in the 2026 IDC MarketScape for MDR/MXDR for the Enterprise
Security teams are being asked to defend a growing attack surface with fewer people and around the clock, against threat actors who never take a night off. As cyberattackers increasingly use AI to launch and scale campaigns, the volume, speed, and sophistication of threats continue to rise. Closi...
What’s new in Microsoft Security: July 2026
Every organization needs security that protects end to end with the speed and scale of AI. Microsoft’s vision is simple: security should be ambient and autonomous, just like the AI it protects. As organizations scale AI and expand across environments, security teams need protection that covers...
Containing a domain compromise: How predictive shielding shut down lateral movement
In this article 1. Predictive shielding overview 2. Attack chain overview 3. How predictive shielding changed the outcome 4. MITRE ATT&CK® techniques observed 5. Learn more In identity-based attack campaigns, any initial access activity can turn an already serious intrusion into a critical incide...
Inside an AI‑enabled device code phishing campaign
In this article 1. Attack chain overview 2. Mitigation and protection guidance 3. Indicators of compromise IOC 4. References 5. Learn more Microsoft Defender Security Research has observed a widespread phishing campaign leveraging the device code authentication flow to compromise organizational...
Applying security fundamentals to AI: Practical advice for CISOs
What to know about the era of AI The first thing to know is that AI isn’t magic The best way to think about how to effectively use and secure a modern AI system is to imagine it like a very new, very junior person. It’s very smart and eager to help but can also be extremely unintelligent. Like a...
Identity security is the new pressure point for modern cyberattacks
Identity attacks no longer hinge on who a cyberattacker compromises, but on what that identity can access. As organizations manage growing numbers of human, non-human, and agentic identities, their access fabric multiplies across apps, resources, and environments, which increases both operational...
Observability for AI Systems: Strengthening visibility for proactive risk detection
Adoption of Generative AI GenAI and agentic AI has accelerated from experimentation into real enterprise deployments. What began with copilots and chat interfaces has quickly evolved into powerful business systems that autonomously interact with sensitive data, call external APIs, connect to...
Microsoft Security success stories: Why integrated security is the foundation of AI transformation
AI is transforming how organizations operate and how they approach security. In this new era of agentic AI, every interaction, digital or human, must be built on trust. As businesses modernize, they’re not just adopting AI tools, they're rearchitecting their digital foundations. And that means...
Microsoft named a Leader in IDC MarketScape for Unified AI Governance Platforms
As organizations rapidly embrace generative and agentic AI, ensuring robust, unified governance has never been more critical. That’s why Microsoft is honored to be named a Leader in the2025-2026 IDC MarketScape for Worldwide Unified AI Governance Platforms Vendor Assessment US53514825, December...
Microsoft named a Leader in IDC MarketScape for Unified AI Governance Platforms
As organizations rapidly embrace generative and agentic AI, ensuring robust, unified governance has never been more critical. That’s why Microsoft is honored to be named a Leader in the2025-2026 IDC MarketScape for Worldwide Unified AI Governance Platforms Vendor Assessment US53514825, December...
How Microsoft builds privacy and security to work hand-in-hand
The Deputy CISO blog series is where Microsoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...