Microsoft announces new solutions for threat intelligence and attack surface management

Uncover adversaries with new Microsoft Defender threat intelligence products The threat landscape is more sophisticated than ever and damages have soared—the Federal Bureau of Investigations 2021 IC3 report found that the cost of cybercrime now totals more than USD6.9 billion.1 To counter these...

How security leaders can help their teams avoid burnout

The security community is continuously changing, growing, and learning from each other to better position the world against cyberthreats. In the latest post of our Voice of the Community blog series, Microsoft Security Senior Product Marketing Manager Brooke Lynn Weenig talks with Maria...

Securing your IoT with Edge Secured-core devices

A recent study conducted by Microsoft in partnership with Ponemon Institute included a survey of companies that have adopted IoT solutions and 65 percent of them mentioned that security is a top priority when implementing IoT. Attacks targeting IoT devices put businesses at risk. Impacted devices...

Get free DMARC visibility with Valimail Authenticate and Microsoft Office 365

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. Phishing and email spoofing not only erode brand trust but also leave recipients vulnerable to financial loss and serious invasions of privacy. These tactics have been around for...

Automating security assessments using Cloud Katana

Today, we are open sourcing Cloud Katana, a cloud-native serverless application built on the top of Azure Functions to assess security controls in the cloud and hybrid cloud environments. We are currently covering only use cases in Azure, but we are working on extending it to other cloud provider...

MITRE ATT&CK® mappings released for built-in Azure security controls

The Security Stack Mappings for Azure research project was published today, introducing a library of mappings that link built-in Azure security controls to the MITRE ATT&CK® techniques they mitigate against. Microsoft once again worked with the Center for Threat-Informed Defense and other Center...

Ensuring customers are protected from Solorigate

Microsoft is monitoring a dynamic threat environment surrounding the discovery of a sophisticated attack that included compromised binaries from a legitimate software. These binaries, which are related to the SolarWinds Orion Platform, could be used by attackers to remotely access devices. We hav...

Deliver productive and seamless user experiences with Azure Active Directory

Several months into the COVID-19 pandemic, many of us are still working remotely, and our organizations are still adjusting. Top of mind for every IT leader in this current landscape is meeting users’ needs for seamless access to resources while safeguarding the business from cyber threats. The...

Gartner names Microsoft a Leader in the 2020 Magic Quadrant for Cloud Access Security Brokers

The past few months have changed the way we work in many ways, working from home, social distancing, and remote operations have all had impacts on our previously known ways of life. At Microsoft, we have been working hard to assist our customers adjust to this rapidly changing and evolving work...

Why integrated phishing-attack training is reshaping cybersecurity—Microsoft Security

Phishing is still one of the most significant risk vectors facing enterprises today. Innovative email security technology like Microsoft Defender for Office 365 stops a majority of phishing attacks before they hit user inboxes, but no technology in the world can prevent 100 percent of phishing...

Data governance matters now more than ever

Knowing, protecting, and governing your organizational data is critical to adhere to regulations and meet security and privacy needs. Arguably, that’s never been truer than it is today as we face these unprecedented health and economic circumstances. To help organizations to navigate privacy duri...

New capabilities for eDiscovery now available

With the exponential growth of data, there is a pressing need for broader visibility into ever-increasing case activities that require eDiscovery to extend to chat-based communication and collaboration tools. New capabilities help you manage eDiscovery in Microsoft Teams including the ability to...

Changing the monolith—Part 2: Whose support do you need?

In Changing the monolith—Part 1: Building alliances for a secure culture, I explored how security leaders can build alliances and why a commitment to change must be signaled from the top. But whose support should you recruit in the first place? In Part 2, I address considerations for the...

Delivering security innovation that puts Microsoft’s experience to work for you

Cybersecurity is the central challenge of our digital age. Without it, everything from our personal email accounts and privacy to the way we do business, and all types of critical infrastructure, are under threat. As attackers evolve, staying ahead of these threats is getting harder. Microsoft ca...

Updating your cybersecurity strategy to enable and accelerate digital transformation

This post is authored by Cyril Voisin, Chief Security Advisor, Enterprise Cybersecurity Group. Nowadays every company is becoming a digital company to some extent. Digital transformation changes the way business is done. For example, it puts more control into the hands of employees, who now deman...

Here is Homeland Security, black swans, and thwarted cyberattacks

Last week, I had the honor of addressing The Homeland Security Training Institute HSTI at the College of DuPage as part of the HSTI Live educational series. The event featured other prominent speakers at the forefront of cybersecurity defense, including: Dave Tyson, CEO of CISO Insights, a global...

Chromium extension uses AI‑related branding to redirect browser search

In this article 1. Extension overview 2. Key indicators of malicious behavior 3. Dynamic analysis findings 4. Mitigation and protection guidance 5. References 6. Learn more Microsoft Threat Intelligence has identified a malicious Chromium-based extension that spoofs the AI-powered answer engine...

Exposing Fox Tempest: A malware-signing service operation

In this article 1. Fox Tempest’s role and impact 2. Fox Tempest’s malware signing as a service infrastructure 3. Defending against Fox Tempest-enabled attacks 4. Microsoft Defender detections 5. Indicators of compromise Fox Tempest is a financially motivated threat actor that operates a...

Forrester names Microsoft a Leader in the 2023 Enterprise Email Security Wave

In today’s rapidly evolving connected workplace, where hybrid and remote work are increasingly the norm, workplace productivity and communications tools like email and chat applications are more important than ever. However, cyberthreats continue to evolve with increasing capabilities and...

Microsoft Entra delivers 240 percent ROI, according to new Forrester study

Every day we easily move between apps and devices while identity professionals work hard behind the scenes to improve technologies that make this digital experience more secure. With nearly 50 percent of data breaches caused by stolen credentials, its important for identity professionals to arm...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Android apps with millions of downloads exposed to high-severity vulnerabilities

Microsoft uncovered high-severity vulnerabilities in a mobile framework owned by mce Systems and used by multiple large mobile service providers in pre-installed Android System apps that potentially exposed users to remote albeit complex or local attacks. The vulnerabilities, which affected apps...

How a leading Microsoft engineer extends culture to service resiliency

It’s hard to underestimate the impact that people can have on us in our formative years. Huiwen Ru, who spent several years working in identity and access management and is now a Principal Software Engineering Manager on the Singularity team at Microsoft, is a living example of how important...

Gartner names Microsoft a Leader in the 2021 Endpoint Protection Platforms Magic Quadrant

Our mission to empower defenders and protect and secure organizations has never been more important to us. Over the last year, our customers have faced unpredictable challenges and nearly overnight have had to quickly adapt in the face of a new hybrid work environment, evolving sophistication and...

Understanding influences shaping the cybersecurity landscape, enabling digital transformation, and helping to protect our planet

The accelerated rate of digital transformation we have seen this past year presents both challenges and endless opportunities for individuals, organizations, businesses, and governments around the world. Cybersecurity is the underpinning of helping protect these opportunities. By examining the...

The world is your authentication and identity oyster

This blog post is part of the Microsoft Intelligence Security Association guest blog series. To learn more about MISA, go here. The world is your authentication/identity oyster If you’re older than 10 years of age you’ve undoubtedly heard the phrase “The world is your oyster.” This basically mean...

Zero Trust Deployment Guide for devices

The modern enterprise has an incredible diversity of endpoints accessing their data. This creates a massive attack surface, and as a result, endpoints can easily become the weakest link in your Zero Trust security strategy. Whether a device is a personally owned BYOD device or a corporate-owned a...

Secure the software development lifecycle with machine learning

Every day, software developers stare down a long list of features and bugs that need to be addressed. Security professionals try to help by using automated tools to prioritize security bugs, but too often, engineers waste time on false positives or miss a critical security vulnerability that has...

Welcoming a more diverse workforce into cybersecurity: expanding the pipeline

Despite much focus on increasing the number of women in cybersecurity, as an industry we are still falling short. For many companies the problem starts with the tech pipeline—there just aren’t enough resumes from qualified female candidates. But I think the real problem is that our definition of...

MISA expands with new members and new product additions

Another RSA Conference RSAC and another big year for the Microsoft Intelligent Security Association MISA. MISA was launched at RSAC 2018 with 26 members and a year later we had doubled in size to 53 members. Today, I am excited to share that the association has again doubled in size to 102 member...

Changing the Monolith—Part 4: Quick tech wins for a cloud-first world

You may have heard that identity is the “new” perimeter. Indeed, with the proliferation of phishing attacks over the past few years, one of the best ways to secure data is to ensure that identity—the primary way we access data—can be trusted. How do we secure identity? Start by evaluating how use...

Microsoft and Zscaler help organizations implement the Zero Trust model

While digital transformation is critical to business innovation, delivering security to cloud-first, mobile-first architectures requires rethinking traditional network security solutions. Some businesses have been successful in doing so, while others still remain at risk of very costly breaches...

Passkey-themed social engineering leads to identity and cloud compromise

In this article 1. Attack chain overview 2. Attribution 3. Mitigation and protection guidance 4. Learn more Microsoft Security Research is tracking active cloud-based intrusions spanning multiple accounts in which unusual sign-ins were followed by threat actor-added authentication methods,...

TerminalFix campaign deploys a reverse tunnel through multistage intrusion

In this article 1. Attack chain overview 2. Mitigation and protection guidance 3. Learn more Microsoft Threat Intelligence has observed a TerminalFix campaign, a variant of ClickFix, targeting organizations across multiple industries. The campaign uses compromised websites to display a fake...

​​What’s new in Microsoft Security: June 2026

As organizations scale AI and agents across environments, security teams need protection that covers every surface. The Microsoft vision is simple: security should be ambient and autonomous, just like the AI it protects. This month’s updates help security and IT teams strengthen identity and...

Typosquatted npm packages used to steal cloud and CI/CD secrets

In this article 1. Attack chain overview 1. The lure: typosquats and spoofed metadata 2. Execution: npm lifecycle hook abuse 3. Gen-1 stager: HTTP C2 beacon and payload drop 4. Gen-2 stager: abusing the legitimate Bun runtime as a loader 5. Credential theft 6. Impact and blast radius 2. Mitigatio...

Microsoft recognized as a Leader in The Forrester Wave™ for Workforce Identity Security Platforms

Identity is the backbone of modern cybersecurity. Every access decision carries risk, across employees, partners, devices, workloads, and an expanding set of AI-powered agents. But most organizations are still operating across disparate systems. Identity signals are captured in one place, access...

What’s new in Microsoft Security: May 2026

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 AI it protects. As organizations accelerate AI adoption, security teams are navigating...

Insights from Microsoft Security Copilot early adopters

To understand why customers are adopting generative AI solutions like Microsoft Security Copilot, we have to go back to the cyberthreat landscape—which continues to get more challenging. Organizations are facing a surge in cyberattacks while also dealing with a global shortage of security talent...

From classroom to cyberfront: Unlocking the potential of the next generation of cyber defenders

In a world where the digital frontier is expanding and cyberattacks are becoming more sophisticated with speed and scale, the guardians of our virtual realms have never been in greater demand.1 It’s important to leverage this year’s Cybersecurity Awareness Month to celebrate the people who keep u...

Raspberry Robin worm part of larger ecosystem facilitating pre-ransomware activity

Microsoft has discovered recent activity indicating that the Raspberry Robin worm is part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection methods beyond its original USB drive spread. These infections lead to follow-on...

The art and science behind Microsoft threat hunting: Part 2

We discussed Microsoft Detection and Response Team’s DART threat hunting principles in part 1 of The art and science behind Microsoft threat hunting blog series. In this follow-up post, we will talk about some general hunting strategies, frameworks, tools, and how Microsoft incident responders wo...

Beneath the surface: Uncovering the shift in web skimming

Microsoft security researchers recently observed that web skimming campaigns now employ various obfuscation techniques to deliver and hide skimming scripts. It’s a shift from earlier tactics where attackers conspicuously injected malicious scripts into e-commerce platforms and content management...

How nation-state attackers like NOBELIUM are changing cybersecurity

This is the first post in a four-part series on the NOBELIUM nation-state cyberattack. Microsoft started telling the industry about this extremely advanced cyberattack in December 2020. The NOBELIUM blog series—which mirrors Microsoft’s four-part video series “Decoding NOBELIUM”—will pull the...

How Microsoft Security empowers partners to build customer trust

As I reflect on my first year at Microsoft, it was both challenging and exceptional: from my remote onboarding in the middle of a pandemic to dramatic changes in the cyber landscape, to Microsoft’s critical role as a frontline responder in some of the most sophisticated cyberattacks in history an...

How user experience is shaping verifiable credentials and identity

Since 2017, Microsoft has been working with the identity community on two groundbreaking technologies designed from the ground up to make digital privacy convenient and practical: decentralized identifiers and verifiable credentials. We believe verifiable credentials will revolutionize the way we...

How to secure your hybrid work world with a Zero Trust approach

We are operating in the most complex cybersecurity landscape we’ve ever seen. Sophisticated and determined attackers are the norm. And we all are preparing for the next great disruption—hybrid work. Security has never been more important, and as I shared in another Security blog today, it’s clear...

International Women’s Day: How to support and grow women in cybersecurity

Today, March 8, we are proud to celebrate International Women’s Day. The United Nations announced this year’s theme as “Women in leadership: Achieving an equal future in a COVID-19 world.” As a woman, a mother, a daughter, a sister, a friend, and a leader at Microsoft, this is an important time t...

Collaborative innovation on display in Microsoft’s insider risk management strategy

The disrupted work environment, in which enterprises were forced to find new ways to enable their workforce to work remotely, changed the landscape for operations as well as security. One of the top areas of concern is managing insider risks, a complex undertaking even before the pandemic, and ev...

EDR in block mode stops IcedID cold

We are happy to announce the general availability of endpoint detection and response EDR in block mode in Microsoft Defender for Endpoint. EDR in block mode turns EDR detections into real-time blocking of malicious behaviors, malware, and artifacts. It uses Microsoft Defender for Endpoint’s...