Microsoft announces new Project OneFuzz framework, an open source developer tool to find and fix bugs at scale

Microsoft is dedicated to working with the community and our customers to continuously improve and tune our platform and products to help defend against the dynamic and sophisticated threat landscape. Earlier this year, we announced that we would replace the existing software testing experience...

Hello open source security! Managing risk with software composition analysis

When first learning to code many people start with a rudimentary “Hello World” program. Building the program teaches developers the basics of a language as they write the code required to display “Hello World” on a screen. As developers get more skilled, the complexity of the programs they build...

Barracuda and Microsoft: Securing applications in public cloud

This blog post is part of the Microsoft Intelligence Security Association guest blog series. To learn more about MISA, go here. Barracuda Cloud Application Protection CAP platform features integrations with Microsoft Azure Active Directory Azure AD and Azure Security Center. A component of CAP,...

Success in security: reining in entropy

Your network is unique. It’s a living, breathing system evolving over time. Data is created. Data is processed. Data is accessed. Data is manipulated. Data can be forgotten. The applications and users performing these actions are all unique parts of the system, adding degrees of disorder and...

Defending the power grid against supply chain attacks: Part 3 – Risk management strategies for the utilities industry

Over the last fifteen years, attacks against critical infrastructure figure1 have steadily increased in both volume and sophistication. Because of the strategic importance of this industry to national security and economic stability, these organizations are targeted by sophisticated, patient, and...

Announcing the Microsoft Graph Security Hackathon winners

Bringing together information from multiple disconnected security systems to solve today’s security challenges is complex. We recently asked Microsoft Graph Security Hackathon participants to come up with innovative solutions using the Microsoft Graph Security API, and they did not disappoint. We...

Microsoft offers several mechanisms to protect against ransomware

The start of a new year is the perfect time to reassess your security strategy and tactics especially when looking back at the new levels of ransomwares reach and damage in 2017. Its no secret that ransomware attacks are increasing. In fact, a business is hit with ransomware every 40 seconds. If...

Beyond the benchmark: Advancing security at AI speed

In this article 1. From the lab into the pipeline 2. This month’s set of discoveries 3. Beyond the headline: What the engineering work taught us 4. Where we go next 5. Defense at AI speed 6. Learn more Every vulnerability has two clocks running. One belongs to the defender racing to find it; the...

Malicious npm packages abuse dependency confusion to profile developer environments

In this article 1. Attack chain overview 2. Threat actor attribution 3. Mitigation and protection guidance 4. Indicators of Compromise IOC 5. References 6. Learn more Microsoft Threat Intelligence has uncovered an active supply chain attack involving malicious npm packages registered under...

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...

IoT devices and Linux-based systems targeted by OpenSSH trojan campaign

Cryptojacking, the illicit use of computing resources to mine cryptocurrency, has become increasingly prevalent in recent years, with attackers building a cybercriminal economy around attack tools, infrastructure, and services to generate revenue from targeting a wide range of vulnerable systems,...

Volt Typhoon targets US critical infrastructure with living-off-the-land techniques

Microsoft has uncovered stealthy and targeted malicious activity focused on post-compromise credential access and network system discovery aimed at critical infrastructure organizations in the United States. The attack is carried out by Volt Typhoon, a state-sponsored actor based in China that...

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...

Microsoft Security highlights from Black Hat USA 2022

Black Hat USA 2022 marked the twenty-fifth year that security researchers, security architects, and other security professionals have gathered to share the latest research, developments, and trends. Microsoft was among the companies participating in the conference, which was from August 6 to 11,...

Microsoft recognized as a Leader in UEM Software 2022 IDC MarketScape reports

Competition for talent has increased pressure to lead in the digital space, and business decisions now weigh user experience for employees heavily among costs and benefits. Workers insist on experiences that mirror their personal experiences, often on their own devices. As enterprise computing ha...

Detecting and preventing privilege escalation attacks leveraging Kerberos relaying (KrbRelayUp)

On April 24, 2022, a privilege escalation hacking tool, KrbRelayUp, was publicly disclosed on GitHub by security researcher Mor Davidovich. KrbRelayUp is a wrapper that can streamline the use of some features in Rubeus, KrbRelay, SCMUACBypass, PowerMad/SharpMad, Whisker, and ADCSPwn tools in...

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...

Manage subject rights requests at scale with Microsoft Priva

Privacy is of increasing importance to our customers. In addition to the well-known European General Data Protection Regulation GDPR, privacy regulations are emerging in nearly every region with more than 70 percent of countries now having data protection and privacy legislation.1 As the number a...

The evolution of a Mac trojan: UpdateAgent’s progression

Our discovery and analysis of a sophisticated Mac trojan in October exposed a year-long evolution of a malware family—and depicts the rising complexity of threats across platforms. The trojan, tracked as UpdateAgent, started as a relatively basic information-stealer but was observed distributing...

Celebrating 20 Years of Trustworthy Computing

20 years ago this week, Bill Gates sent a now-famous email to all Microsoft employees announcing the creation of the Trustworthy Computing TwC initiative. The initiative was intended to put customer security, and ultimately customer trust, at the forefront for all Microsoft employees. Gates’ memo...

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...

A guide to combatting human-operated ransomware: Part 1

This blog is part one of a two-part series focused on how Microsoft DART helps customers with human-operated ransomware. For more guidance on human-operated ransomware and how to defend against these extortion-based attacks, refer to our human-operated ransomware docs page. Microsoft’s Detection...

Microsoft a Leader in 2021 Gartner® Magic Quadrant™ for Unified Endpoint Management Tools

In today’s changing business world, where flexibility is more crucial than ever, we’re honored that Gartner has again recognized Microsoft as a Leader in the Magic Quadrant for Unified Endpoint Management UEM Tools1. Over the last 18 months, millions of employees worldwide have had to shift their...

How Vodafone Global Security Director creates an inclusive and secure workplace

Moving to more flexible remote work policies has caused telecommunications giant Vodafone to rethink cybersecurity and the potential friction to users. Instead of relying on physical security controls in the office, the company has embraced a Zero Trust strategy that requires authenticating...

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...

Mitigate OT security threats with these best practices

The security community is continuously changing, growing, and learning from each other to better position the world against cyber threats. In the latest Voice of the Community blog series post, Microsoft Product Marketing Manager Natalia Godyla talks with Chris Sistrunk, Technical Manager in...

Compliance joins Microsoft Intelligent Security Association (MISA)

Like many of you, I’m thrilled to have my 2020 calendar safely in the recycling pile. During that time though, you too might have noticed how, perhaps unknowingly, you were able to turn some of last year’s lemons into lemonade. Maybe you developed a deeper appreciation for everyday moments and th...

Afternoon Cyber Tea: Privacy, the pandemic, and protecting our cyber future

Much of our everyday life has moved online with the pandemic continuing to play a role in how we work and communicate with others. This migration has meant that security and privacy continue to remain top-of-mind for both security professionals and those who may not have given these cyber issues ...

A breakthrough year for passwordless technology

As 2020 draws to a close, most of us are looking forward to putting this year in the rearview mirror. Since we depend even more on getting online for everything in our lives, we’re more than ready to be done with passwords. Passwords are a hassle to use, and they present security risks for users...

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...

Manage, govern, and get more value out of your data with Azure Purview

Data is the currency of today’s economy. Data is being created faster than ever in more locations than organizations can track. In fact, IDC has predicted that global data will grow to more than 175 zettabytes by 2025. To put that into context, that’s 175 trillion 1GB USB drives. At the same time...

Afternoon Cyber Tea: Revisiting social engineering: The human threat to cybersecurity

Most of us know ‘Improv’ through film, theatre, music or even live comedy. It may surprise you to learn that the skills required for improvisational performance art, can also make you a good hacker? In cybersecurity, while quite a bit of focus is on the technology that our adversaries use, we mus...

11 security tips to help stay safe in the COVID-19 era

The COVID-19 pandemic has changed our daily routines, the ways we work, and our reliance on technology. Many of us are now working remotely, students are attending classes virtually, and we’re relying more on social media and social networks to stay connected as we define what our new normal look...

Lessons learned from the Microsoft SOC—Part 3c: A day in the life part 2

This is the sixth blog in the Lessons learned from the Microsoft SOC series designed to share our approach and experience from the front lines of our security operations center SOC protecting Microsoft and our Detection and Response Team DART helping our customers with their incidents. For a visu...

Data privacy is about more than compliance—it’s about being a good world citizen

Happy Data Privacy Day! Begun in 2007 in the European Union E.U. and adopted by the U.S. in 2008, Data Privacy Day is an international effort to encourage better protection of data and respect for privacy. It’s a timely topic given the recent enactment of the California Consumer Privacy Act CCPA...

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...

Email threat landscape: Q2 2026 trends and insights

In this article 1. Tycoon2FA Q2 disruption impact 2. QR code phishing attacks 3. CAPTCHA-gated phishing tactics 4. Malicious payloads 5. Business email compromise 6. Microsoft Teams threats 7. Notable phishing campaigns 8. Mitigation and protection guidance 9. Indicators of compromise IOCs The...

Email threat landscape: Q2 2026 trends and insights

In this article 1. Tycoon2FA Q2 disruption impact 2. QR code phishing attacks 3. CAPTCHA-gated phishing tactics 4. Malicious payloads 5. Business email compromise 6. Microsoft Teams threats 7. Notable phishing campaigns 8. Mitigation and protection guidance 9. Indicators of compromise IOCs The...

From poisoned search results to GPU mining: A cryptojacking campaign abusing ScreenConnect and Microsoft .NET utilities

In this article 1. Attack chain overview 2. Mitigation and protection guidance 3. References 4. Learn more Microsoft Defender Experts identified an active cryptojacking campaign in which malicious download sites are surfaced not only through traditional search engine poisoning, but also through A...

Guidance for detecting, investigating, and defending against the Trivy supply chain compromise

In this article 1. Analyzing the Trivy supply chain compromise 2. Detection and investigation 3. Mitigation and protection guidance 4. Advanced hunting queries 5. References 6. Learn more On March 19, 2026, Trivy, Aqua Security’s widely used open-source vulnerability scanner, was reported to have...

Secure agentic AI end-to-end

Next week, RSAC™ Conference celebrates its 35-year anniversary as a forum that brings the security community together to address new challenges and embrace opportunities in our quest to make the world a safer place for all. As we look towards that milestone, agentic AI is reshaping industries...

New Microsoft Secure Future Initiative (SFI) patterns and practices: Practical guides to strengthen security

Building on the momentum of our initial launch of the Microsoft Secure Future Initiative SFI patterns and practices, this second installment continues our commitment to making security implementation practical and scalable. The first release introduced a foundational library of actionable guidanc...

Microsoft named a Leader in 2023 Gartner® Magic Quadrant™ for Access Management for the 7th year​​

Protecting identity from compromise is top of mind for security professionals as identity attacks continue to intensify. Earlier this year we reported that we had observed a nearly three-fold increase in password attacks per second in the last two years, from 579 in 2021 to 4,000 in 2023.1 Identi...

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...

How to connect with Microsoft Security at Black Hat USA 2023

Now in its twenty-sixth year, Black Hat USA takes place August 5 to 10, 2023, at Mandalay Bay in Las Vegas, Nevada, bringing together security professionals for the latest in information security research, development, and trends. Microsoft Security is pleased to have a presence at Black Hat, wit...

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...

Threat actors strive to cause Tax Day headaches

Threat actors often take advantage of current events and major news headlines to align attacks and leverage social engineering when people could be more likely to be distracted or misled. Tax season is particularly appealing to threat actors because not only are people busy and under stress, but ...

Gain real-time identity protection with Microsoft and Recorded Future

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. You’ve implemented multifactor authentication for access to your enterprise network. But what if multifactor authentication isn’t as foolproof as you’re hoping? Are you comfortable...