Build support for open source in your organization

Have you ever stared at the same lines of code for hours only to have a coworker identify a bug after just a quick glance? That’s the power of community! Open source software development is guided by the philosophy that a diverse community will produce higher quality code by allowing anyone to...

Go passwordless to strengthen security and reduce costs

We all know passwords are inherently unsecure. They’re also expensive to manage. Users struggle to remember them. It’s why we’re so passionate about eliminating passwords entirely. Passwordless solutions, such as Windows Hello, FIDO2 security keys, and the Microsoft Authenticator app, provide mor...

Further enhancing security from Microsoft, not just for Microsoft

Legacy infrastructure. Bolted-on security solutions. Application sprawl. Multi-cloud environments. Company data stored across devices and apps. IT and security resource constraints. Uncertainty of where and when the next attack or leak will come, including from the inside. These are just a few of...

Overview of the Marsh-Microsoft 2019 Global Cyber Risk Perception survey results

Technology is dramatically transforming the global business environment, with continual advances in areas ranging from artificial intelligence AI and the Internet of Things IoT to data availability and blockchain. The speed at which digital technologies evolve and disrupt traditional business...

4 best practices to help you integrate security into DevOps

Microsoft’s transition of its corporate resources to the cloud required us to rethink how we integrate security into the agile development environment. In the old process, we often worked on 6- to 12-month development cycles for internal products. The security operations team was separate from th...

3 investments Microsoft is making to improve identity management

As a large enterprise with global reach, Microsoft has the same security risks as its customers. We have a distributed, mobile workforce who access corporate resources from external networks. Many individuals struggle to remember complex passwords or reuse one password across many accounts, which...

Building the security operations center of tomorrow—harnessing the law of data gravity

This post was coauthored by Diana Kelley, Cybersecurity Field CTO, and Sin John, EMEA Chief Security Advisor, Cybersecurity Solutions Group. Youve got a big dinner planned and your dishwasher goes on the fritz. You call the repair company and are lucky enough to get an appointment for that...

Adding transparency and context into industry AV test results

Corporate Vice President Brad Anderson recently shared his insights on how Windows Defender Advanced Threat Protection Windows Defender ATP evolved to achieve important quality milestones. Our Windows Defender ATP team is committed to delivering industry-leading protection, customer choice, and...

Working towards a more diverse future in security

Last year I embarked on an exercise to examine diversity in cybersecurity. As one full year has passed, I decided to revisit this topic and the ongoing challenges of recruiting AND retaining diverse talent in the cybersecurity field. This past year saw the MeToo movement in the spotlight, and whi...

Stopping attacks against on-premises Exchange Server and SharePoint Server with AMSI

Exchange Server and SharePoint Server are business-critical assets and considered crown jewels for many organizations, making them attractive targets for attacks. To help customers protect their environments and respond to these attacks, Exchange Server and SharePoint Server now integrate with th...

Securing our approach to domain fronting within Azure

Every single day our teams analyze the trillions of signals we see to understand attack vectors, and then take those learnings and apply them to our products and solutions. Having that understanding of the threat landscape is key to ensuring our customers are kept safe every day. However, being a...

Modernizing your network security strategy

From the global pandemic to recent cyberattacks, our world has faced many challenges during the past 12 months. Some of these challenges we can’t change. However, I’m pleased about the ones we can, and are changing across the cybersecurity landscape. For example, to facilitate remote work and...

The dynamic duo: How to build a red and blue team to strengthen your cybersecurity, Part 1

The security community is continuously changing, growing, and learning from each other to better position the world against cyber threats. In the first post of our new Voice of the Community blog series, Microsoft Product Marketing Manager Natalia Godyla talks with Jake Williams, Founder of...

How to implement Multi-Factor Authentication (MFA)

Another day, another data breach. If the regular drumbeat of leaked and phished accounts hasn't persuaded you to switch to Multi-Factor Authentication MFA already, maybe the usual January rush of 'back to work' password reset requests is making you reconsider. When such an effective option for...

TLS version enforcement capabilities now available per certificate binding on Windows Server 2019

At Microsoft, we often develop new security features to meet the specific needs of our own products and online services. This is a story about how we solved a very important problem and are sharing the solution with customers. As engineers worldwide work to eliminate their own dependencies on TLS...

Microsoft is awarded Zscaler’s Technology Partner of the Year for 2019

Last week at Zscaler’s user conference, Zenith Live, Microsoft received Zscaler’s Technology Partner of the Year Award in the Impact category. The award was given to Microsoft for the depth and breadth of integrations we’ve collaborated with Zscaler on and the positive feedback received from...

Operational resilience begins with your commitment to and investment in cyber resilience

Operational resilience cannot be achieved without a true commitment to and investment in cyber resilience. Global organizations need to reach the state where their core operations and services won’t be disrupted by geopolitical or socioeconomic events, natural disasters, and cyber events if they...

Delivering major enhancements in Windows Defender Application Control with the Windows 10 May 2019 Update

With the Windows 10 May 2019 Update we delivered several important features for Windows Defender Application Control WDAC, which was originally introduced to Windows as part of a scenario called Device Guard. WDAC works in conjunction with features like Windows Defender Application Guard, which...

4 tried-and-true prevention strategies for enterprise-level security

Why is it that dentists advise people over and over to floss, yet so few do it? It only takes a minute of your time, yet if you’re running late or feeling tired, you may be tempted to skip it. That is until you remember your upcoming teeth cleaning appointment. There is nothing like the memory of...

Jumpstart your Microsoft Graph Security API integration with the new JavaScript sample app

The Microsoft Graph Security API, which launched this spring, is a unified REST API for integrating data and intelligence from Microsoft products, services, and partners. Using Microsoft Graph, developers can easily build applications that consolidate and correlate security alerts from multiple...

Protecting customers from being intimidated into making an unnecessary purchase

There has been an increase in free versions of programs that purport to scan computers for various errors, and then use alarming, coercive messages to scare customers into buying a premium version of the same program. The paid version of these programs, usually called cleaner or optimizer...

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...

Forrester names Microsoft a Leader in Q4 2022 Security Analytics Platforms Wave report

We’re excited to announce that Microsoft is named a Leader in The Forrester Wave: Security Analytics Platforms, Q4 2022. Microsoft achieved the highest possible score in 17 different criteria, including partner ecosystem, innovation roadmap, product security, case management, and architecture. Wi...

Investigating a unique “form” of email delivery for IcedID malware

Microsoft threat analysts have been tracking activity where contact forms published on websites are abused to deliver malicious links to enterprises using emails with fake legal threats. The emails instruct recipients to click a link to review supposed evidence behind their allegations, but are...

Threat matrix for storage services

The move to cloud is happening faster than ever before and organizations are increasing their dependency on cloud storage services. In fact, Microsoft Azure Storage services are one of the most popular services in the cloud. Companies need effective threat protection and mitigation strategies and...

Microsoft open sources CodeQL queries used to hunt for Solorigate activity

A key aspect of the Solorigate attack is the supply chain compromise that allowed the attacker to modify binaries in SolarWinds’ Orion product. These modified binaries were distributed via previously legitimate update channels and allowed the attacker to remotely perform malicious activities, suc...

The dynamic duo: How to build a red and blue team to strengthen your cybersecurity, Part 2

The security community is continuously changing, growing, and learning from each other to better position the world against cyber threats. In the first post of our new Voice of the Community blog series, Microsoft Product Marketing Manager Natalia Godyla talks with Jake Williams, Founder of...

Simplify compliance and manage risk with Microsoft Compliance Manager

The cost of non-compliance is more than twice that of compliance costs. Non-compliance with the ever-increasing and changing regulatory requirements can have a significant impact on your organizations brand, reputation, and revenue. According to a study by the Ponemon Institute and Globalscape,...

Azure Active Directory empowers frontline workers with simplified and secure access

Howdy folks, The past year has shown us all just how critical frontline workers are to our communities and our economy. They’re the people behind the counter, in the call centers, in hospital ICUs, on the supermarket floor—doing the critical work that makes the difference in feeding our families,...

New Forrester study shows customers who deploy Microsoft Azure AD benefit from 123% ROI.

Over the past six months, organizations around the world have accelerated digital transformation efforts to rapidly enable a remote workforce. As more employees than ever access apps via their home networks, the corporate network perimeter has truly disappeared, making identity the control plane...

Are students prepared for real-world cyber curveballs?

With a projected “skills gap” numbering in the millions for open cyber headcount, educating a diverse workforce is critical to corporate and national cyber defense moving forward. However, are today’s students getting the preparation they need to do the cybersecurity work of tomorrow? To help...

Building the security operations center of tomorrow—better insights with compound detection

In the physical world, humans are fantastic at connecting low quality signals into high quality analysis. Consider speaking with someone in a crowded place. You may not hear every word they say, but because you are fluent in the language and can piece together context from the words, you can hear...

Building on experience: a framework for cybersecurity policy

Each year, more and more governments are developing policies to address security challenges presented by an increasingly digitized world. And to support those efforts, Im excited today to announce the release of Microsofts new Cybersecurity Policy Framework, a resource for policymakers that...

Driving data security is a shared responsibility, here’s how you can protect yourself

You're driving a long, dark road on a rainy night. If you're driving 20 miles over the speed limit and you don't step on the brakes when the car in front of you comes to a sudden stop, is it your fault or your car manufacturers fault if you rear-end the car that is in front of you? When we drive,...

Reconstructing AI activity in investigations

AI systems are now part of everyday work. Investigators need a consistent way to reconstruct what happened within them. Security teams are already investigating activity involving Microsoft 365 Copilot and Azure AI services—from prompt injection attempts to unexpected data access. Those signals a...

The Gentlemen ransomware: Dissecting a self-propagating Go encryptor

In this article 1. Pre-encryption 2. File encryption 3. Post-encryption 4. Defending against The Gentlemen ransomware 5. Microsoft Defender detections and hunting guidance 6. Indicators of compromise Ransomware that combines robust encryption with rapid lateral movement significantly increases th...

Email threat landscape: Q1 2026 trends and insights

In this article 1. Tycoon2FA disruption impact 2. QR code phishing attacks 3. CAPTCHA tactics 4. Malicious payloads 5. Business email compromise 6. Defending against email threats 7. Microsoft Defender detections During the first quarter of 2026 January-March, Microsoft Threat Intelligence detect...

How Microsoft Purview and Priva help simplify data protection

At Microsoft Security, we understand how challenging it is to protect your most important asset, your data, in today’s threat landscape. You’re faced with evolving challenges—from empowering employees for greater productivity to eliminating gaps in your infrastructure—all while trying to protect...

Microsoft acquires CloudKnox Security to offer unified privileged access and cloud entitlement management

Today on the Official Microsoft Blog, Microsoft announced the acquisition of CloudKnox Security, a leader in Cloud Infrastructure Entitlement Management CIEM. CloudKnox offers complete visibility into privileged access. It helps organizations right-size permissions and consistently enforce...

Zero Trust: 7 adoption strategies from security leaders

Microsoft considers Zero Trust an essential component of any organization’s security plan. We have partnered with Cloud Security Alliance, a not-for-profit organization that promotes cloud computing best practices, to bring together executive security leaders to discuss and share insights about...

Announcing the general availability of Azure Defender for IoT

As businesses increasingly rely on connected devices to optimize their operations, the number of IoT and Operational Technology OT endpoints is growing dramatically—industry analysts have estimated that CISOs will soon be responsible for an attack surface multiple times larger than just a few yea...

CISO Stressbusters: Post #2: 4 tips for getting the first 6 months right as a new CISO

In your first six months in a new Chief Information Security Officer CISO role, you will often be tasked with building a security program. For some of us this is the most exciting part of the job, but it can also be stressful. You’re probably working under a deadline. Plus, it can be difficult to...

New privacy assessments now included in Microsoft Compliance Score

Keeping up with rapidly changing regulatory requirements has become one of the biggest challenge’s organizations face today. Just as companies finished preparing for the General Data Protection Regulation GDPR, California’s privacy regulation—California Consumer Privacy Act CCPA—went into effect ...

Traditional perimeter-based network defense is obsolete—transform to a Zero Trust model

Digital transformation has made the traditional perimeter-based network defense obsolete. Your employees and partners expect to be able to collaborate and access organizational resources from anywhere, on virtually any device, without impacting their productivity. Customers expect personalized...

How a national cybersecurity agency can help avoid a national cybersecurity quagmire

This last October we saw more countries than ever participate in initiatives to raise cybersecurity awareness. What was once largely a US approach has evolved into events and initiatives around the world by governments, civil society groups, and private sector partners. This increased breadth and...

Contagious Interview: Malware delivered through fake developer job interviews

Microsoft Defender Experts has observed the Contagious Interview campaign, a sophisticated social engineering operation active since at least December 2022. Microsoft continues to detect activity associated with this campaign in recent customer environments, targeting software developers at...

Stronger together: New Beazley collaboration enhances cyber resilience

Today’s cyberthreat landscape demands more than technical expertise: it requires a unified response team of technical responders, insurers, brokers, and legal counsel. This integrated approach is key to building long-term cyber resilience to help your organization anticipate, withstand, recover...

Star Blizzard increases sophistication and evasion in ongoing attacks

Microsoft Threat Intelligence continues to track and disrupt malicious activity attributed to a Russian state-sponsored actor we track as Star Blizzard formerly SEABORGIUM, also known as COLDRIVER and Callisto Group. Star Blizzard has improved their detection evasion capabilities since 2022 while...

Simplify privacy protection with Microsoft Priva Subject Rights Requests

The General Data Protection Regulation GDPR came into effect in 2018 and set a new standard for the level of control individuals in the European Union had on the personal data they shared online. Since then, the number of privacy regulations around the world has flourished and impacted the privac...

Secure your healthcare devices with Microsoft Defender for IoT and HCL’s CARE

It wasn’t long ago that medical devices were isolated and unconnected, but the rise of IoT has brought real computing power to the network edge. Today, medical devices are transforming into interconnected, smart assistants with decision-making capabilities. Any device in a medical setting must be...