Guidance for investigating attacks using CVE-2023-23397

This guide provides steps organizations can take to assess whether users have been targeted or compromised by threat actors exploiting CVE-2023-23397. A successful exploit of this vulnerability can result in unauthorized access to an organization’s environment by triggering a Net-NTLMv2 hash leak...

Attack AI systems in Machine Learning Evasion Competition

Today, we are launching MLSEC.IO, an educational Machine Learning Security Evasion Competition MLSEC for the AI and security communities to exercise their muscle to attack critical AI systems in a realistic setting. Hosted and sponsored by Microsoft, alongside NVIDIA, CUJO AI, VM-Ray, and MRG...

Phorpiex morphs: How a longstanding botnet persists and thrives in the current threat environment

Phorpiex, an enduring botnet known for extortion campaigns and for using old-fashioned worms that spread via removable USB drives and instant messaging apps, began diversifying its infrastructure in recent years to become more resilient and to deliver more dangerous payloads. Today, the Phorphiex...

MITRE Engenuity ATT&CK® Evaluation proves Microsoft Defender for Endpoint stops advanced attacks across platforms

For the third year in a row, Microsoft successfully demonstrated industry-leading defense capabilities in the independent MITRE Engenuity ATT&CK Adversarial Tactics, Techniques, and Common Knowledge Evaluations. As the attack surface evolves on a near-daily basis, threat actors are creating more...

CISO series: Building a security-minded culture starts with talking to business managers

Cybersecurity is everyones business; protecting the company and its users against data leaks is no longer just the responsibility of IT and security operations. Everyone from the board to Firstline Workers has an important role to play. A culture that encourages individuals to believe they have a...

Finding the signal of community in all the noise at Black Hat

I dont know about you, but I find large conferences overwhelming. Dont get me wrong, nothing beats the innovative potential of bringing a diverse group of brilliant people together to hash through thorny issues and share insights. But there are so many speakers, booths, and people, it can be a...

Protecting the modern workplace from a wide range of undesirable software

Security is a fundamental component of the trusted and productive Windows experience that we deliver to customers through modern platforms like Windows 10 and Windows 10 in S mode. As we build intelligent security technologies that protect the modern workplace, we aim to always ensure that...

BlueVoyant optimizes customer security with Microsoft security services

This blog post is part of the Microsoft Intelligent Security Association MISA guest blog series. Learn more about MISA. What a year it has been. The rapid and unexpected transition to work from home is one of the biggest issues affecting companies of all sizes and industries in 2020. As companies...

Take steps to secure your business and users with our security business assessment

Businesses can no longer afford to take cybersecurity for granted. You cant read the news without seeing a splashy headline about a successful hack or data breach at a well-known company. However, this isnt just a problem for large enterprisesincreasingly small and medium-sized businesses are...

Small businesses targeted by highly localized Ursnif campaign

Cyber thieves are continuously looking for new ways to get people to click on a bad link, open a malicious file, or install a poisoned update in order to steal valuable data. In the past, they cast as wide a net as possible to increase the pool of potential victims. But attacks that create a lot ...

Guidance for investigating attacks using CVE-2022-21894: The BlackLotus campaign

This guide provides steps that organizations can take to assess whether users have been targeted or compromised by threat actors exploiting CVE-2022-21894 via a Unified Extensible Firmware Interface UEFI bootkit called BlackLotus. UEFI bootkits are particularly dangerous as they run at computer...

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...

Addressing cybersecurity risk in industrial IoT and OT

As the industrial Internet of Things IIoT and operational technology OT continue to evolve and grow, so too, do the responsibilities of the Chief Information Security Officer CISO. The CISO now needs to mitigate risks from cloud-connected machinery, warehouse systems, and smart devices scattered...

CISO series: Lessons learned from the Microsoft SOC—Part 3b: A day in the life

The Lessons learned from the Microsoft SOC blog series is designed to share our approach and experience with security operations center SOC operations. We share strategies and learnings from our SOC, which protects Microsoft, and our Detection and Response Team DART, who helps our customers addre...

Rethinking how we learn security

A couple of years ago, I wrote an article on the relative lack of investor and startup interest in addressing a crucial CISO priority—the preparedness of employees on the security team. Considering what seems to be a steady stream of news about breaches, what can be done to encourage more people ...

Making it real—harnessing data gravity to build the next gen SOC

This post was coauthored by Diana Kelley, Cybersecurity Field CTO, andSin John,EMEA Chief Security Advisor, Cybersecurity Solutions Group. In our first blog, Diana and I talked about the concept of data gravity and how it could, conceptually, help organizations take a more cloud-ready approach to...

Microsoft named a Visionary in the 2021 Gartner Magic Quadrant for SIEM for Azure Sentinel

We’re pleased to announce that in its first year of inclusion in the Gartner Magic Quadrant report, Microsoft Azure Sentinel has been named a Visionary, where we were recognized for our completeness of vision for SIEM.1 Gartner has said that “cloud SIEM will be the future of how many organization...

Changing security incident response by utilizing the power of the cloud—DART tools, techniques, and procedures: part 1

This is the first in a blog series discussing the tools, techniques, and procedures that the Microsoft Detection and Response Team DART use to investigate cybersecurity incidents at our customer organizations. Today, we introduce the team and give a brief overview of each of the tools that utiliz...

Thinking about the balance between compliance and security

Today, many organizations still struggle to adhere to General Data Protection Regulation GDPR mandates even though this landmark regulation took effect nearly two years ago. A key learning for some: being compliant does not always mean you are secure. Shifting privacy regulations, combined with...

Deep learning rises: New methods for detecting malicious PowerShell

Scientific and technological advancements in deep learning, a category of algorithms within the larger framework of machine learning, provide new opportunities for development of state-of-the art protection technologies. Deep learning methods are impressively outperforming traditional methods on...

Facing the cold chills

Have you ever felt the cold chill in your spine when the “fix engine” light comes on in your car? How about when one of your children turns pale and gets their first fever? It’s a feeling of helplessness and concern regarding what could be wrong. Then there’s the feeling of relief that comes with...

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...

Attending Black Hat USA 2018? Here’s what to expect from Microsoft.

Black Hat USA 2018 brings together professionals at all career levels, encouraging growth and collaboration among academia, world-class researchers, and leaders in the public and private sectors. This is an exciting time as our Microsoft researchers, partners, and security experts will showcase t...

March-April 2018 test results: More insights into industry AV tests

In a previous post, in the spirit of our commitment to delivering industry-leading protection, customer choice, and transparency on the quality of our solutions, we shared insights and context into the results of AV-TESTs January-February 2018 test cycle. We released a transparency report to help...

Join Microsoft for a security in a day workshop

Let's talk about an integrated security experience. Many of our customers are in various stages of cybersecurity maturity: Initializing Firefighting No formal security program Developing Point solutions/tools for basic controls Pockets of expertise Defining Aligned to frameworks Documented contro...

CyberMDX and Microsoft: Protecting life-saving medical devices

This blog post is part of the Microsoft Intelligent Security Association MISA guest blog series. Learn more about MISA. While hospitals continue to battle the COVID-19 pandemic, many are battling other “viruses” behind the scenes. Malware, ransomware, and phishing attacks against healthcare...

Forrester Consulting TEI Study: Azure Security Center delivers 219 percent ROI over 3 years and a payback of less than 6 months

Azure Security Center is a critical tool to secure our multi-cloud workloads in the new world of remote work we find ourselves in today. We are excited to share that Forrester Consulting has just conducted a commissioned Total Economic Impact TEI study on behalf of Microsoft, which involved...

How Windows Defender Antivirus integrates hardware-based system integrity for informed, extensive endpoint protection

Detecting and stopping attacks that tamper with kernel-mode agents at the hypervisor level is a critical component of the unified endpoint protection platform in Microsoft Defender Advanced Threat Protection Microsoft Defender ATP. It’s not without challenges, but the deep integration of Windows...

How artificial intelligence stopped an Emotet outbreak

At 12:46 a.m. local time on February 3, a Windows 7 Pro customer in North Carolina became the first would-be victim of a new malware attack campaign for Trojan:Win32/Emotet. In the next 30 minutes, the campaign tried to attack over a thousand potential victims, all of whom were instantly and...

Windows 11 enables security by design from the chip to the cloud

Over the last year, PCs have kept us connected to family, friends, and enabled businesses to continue to run. This new hybrid work paradigm has got us thinking about how we will continue to deliver the best possible quality, experience, and security for the more than 1 billion people who use...

Stopping Carbanak+FIN7: How Microsoft led in the MITRE Engenuity® ATT&CK® Evaluation

In MITRE Engenuity’s recent Carbanak+FIN7 ATT&CK Evaluation, Microsoft demonstrated that we can stop advanced, real-world attacks by threat actor groups with our industry-leading security capabilities. In this year’s evaluation, we engaged our unified Microsoft 365 Defender stack, with...

Identity governance: The power of “Why not?”

Innovation requires the courage to take risks and the leadership skills to show others that risks are worth taking. That’s why I love working with people like Joe Dadzie, a partner group program manager in identity governance. Joe has a long history of championing disruptive technology...

Microsoft Office 365—Do you have a false sense of cloud security?

Through difficult times, some adversaries will find opportunities and COVID-19 has proven to be a ripe opportunity for them to target a new, expanding, remote workforce. While these threats morph and evolve, Microsoft’s Detection and Response Team DART finds ways to endure and help organizations...

Experts on demand: Your direct line to Microsoft security insight, guidance, and expertise

Microsoft Threat Experts is the managed threat hunting service within Microsoft Defender Advanced Threat Protection ATP that includes two capabilities: targeted attack notifications and experts on demand. Today, we are extremely excited to share that experts on demand is now generally available a...

Microsoft’s 4 principles for an effective security operations center

The Microsoft Cyber Defense Operations Center CDOC fields trillions of security signals every day. How do we identify and respond to the right threats? One thing that won’t surprise you: we leverage artificial intelligence AI, machine learning, and automation to narrow the focus. But technology i...

Patching as a social responsibility

In the wake of the devastating NotPetya attack, Microsoft set out to understand why some customers weren’t applying cybersecurity hygiene, such as security patches, which would have helped mitigate this threat. We were particularly concerned with why patches hadn’t been applied, as they had been...

Collaborate securely

This is a blog series that responds to common questions we receive from customers about deployment of Microsoft 365 security solutions. In this series youll find context, answers, and guidance for deployment and driving adoption within your organization. Check out Protecting user identities, the...

Protecting user identities

This is a blog series that responds to common questions we receive from customers about the deployment of Microsoft 365 security solutions. In this series, youll find context, answers, and guidance for deployment and driving adoption within your organization. Check out Cybersecurity threats: How ...

Enable your users to work securely from anywhere, anytime, across all of their devices

This blog is part of a series that responds to common questions we receive from customers about deployment of Microsoft 365 Security solutions. In this series youll find context, answers, and guidance for deployment and driving adoption within your organization. Check out our last blog, Assessing...

How Microsoft 365 Security integrates with the broader security ecosystem—part 1

Today's post was coauthored by Debraj Ghosh, Senior Product Marketing Manager, and Diana Kelley, Cybersecurity Field CTO. This week is the annual Microsoft Inspire conference, where Microsoft directly engages with industry partners. Last year at Inspire, we announced Microsoft 365, providing a...

Perspectives of a former CISO: Disrupted security in digitalization

My passion is the connection of security to the business objectives, and it has been a part of my work with many CISOs across industries as well as my experience as a CISO. This blog series a compilation of my learnings as a CISO, as well as learnings from peers and customers who are actively...

Getting the most value out of your security deployment

This blog is part of a series that responds to common questions we receive from customers about deployment of Microsoft 365 security solutions. In this series youll find context, answers, and guidance for deployment and driving adoption within your organization. Check out our last blog Now that y...

Microsoft to deliver new products and strategies for security innovation at 2018 RSA Conference

At the 2018 RSA Conference, our senior leaders will dissect modern cyber defense strategies, and reveal new products to detect and block cyber attacks when they happen. Our objective is to arm business, government and consumers with deeply integrated intelligence and threat protection capabilitie...

Take these steps to stay safe from counterfeit software and fraudulent subscriptions

This post is authored by Matt Lundy, Assistant General Counsel, Microsoft. Software piracy and fraudulent subscriptions are serious, industry-wide problems affecting consumers and organizations around the world. In 2016, 39 percent of all software installed on computers was not properly licensed,...

How to manage a side-by-side transition from your traditional SIEM to Azure Sentinel

With every week bringing new headlines about crippling cyberattacks, and with organizations growing increasingly distributed, security teams are constantly asked to do more with less. Moving to cloud-native security information and event management SIEM can help security teams analyze data with t...

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...

Microsoft Defender ATP can help you secure your remote workforce

As the number of home-based workers has accelerated in the last few weeks, it’s introduced new challenges. You may want to expand the number and types of devices employees can use to access company resources. You need to support a surge in SaaS usage. And it’s important to adjust security policie...

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...

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...

Tips for getting started on your security deployment

This blog is part of a series that responds to common questions we receive from customers about how to most effectively deploy Microsoft 365 Security. In this series youll find context, answers, and guidance for deployment and driving adoption within your organization. This past year, weve been...