Looking for the ‘Sliver’ lining: Hunting for emerging command-and-control frameworks

Microsoft has observed the Sliver command-and-control C2 framework now being adopted and integrated in intrusion campaigns by nation-state threat actors, cybercrime groups directly supporting ransomware and extortion, and other threat actors to evade detection. We’ve seen these actors use Sliver...

Automating your Microsoft security suite with D3 XGEN SOAR

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. There are certain pain points in the average security operations center SOC that, no matter what else changes in the security landscape, stay among the most entrenched problems. You...

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...

Structured threat hunting: One way Microsoft Threat Experts prioritizes customer defense

Todays threat landscape is incredibly fast-paced. New campaigns surface all the time, and the amount of damage that they can cause is not always immediately apparent. Security operations centers SOCs must be equipped with the tools and insight to identify and resolve potentially high-impact threa...

Microsoft delivers comprehensive solution to battle rise in consent phishing emails

Microsoft threat analysts are tracking a continued increase in consent phishing emails, also called illicit consent grants, that abuse OAuth request links in an attempt to trick recipients into granting attacker-owned apps permissions to access sensitive data. This blog offers a look into the...

Accessibility and usability for all in Azure Sentinel

As a father of a child on the Autism spectrum who relies completely on digital media for his learning, I fully appreciate the impact that digital accessibility can have on people with disabilities. Designing with accessibility in mind greatly expands the impact of Microsoft solutions. What many...

Securing a new world of hybrid work: What to know and what to do

The cybersecurity landscape has fundamentally changed, as evidenced by large-scale, complex attacks like Nobelium, Hafnium, and more recently last week’s Colonial Pipeline attack, which signals that human-operated ransomware is on the rise. Hackers launch an average of 50 million password attacks...

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...

Siemens USA CISO: 3 essentials to look for in a cloud provider

In the latest episode of my series, The Shiproom, I spoke with Kurt John, Chief Cybersecurity Officer CISO at Siemens USA. Kurt is listed in Security Magazine’s Top 10 most influential cybersecurity leaders, and he also serves on a special cybersecurity committee organized by 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...

STRONTIUM: Detecting new patterns in credential harvesting

Microsoft has tied STRONTIUM to a newly uncovered pattern of Office365 credential harvesting activity aimed at US and UK organizations directly involved in political elections. Analysts from Microsoft Threat Intelligence Center MSTIC and Microsoft Identity Security have been tracking this new...

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...

Enable remote work while keeping cloud deployments secure

As our customers shift to remote work in response to the COVID-19 outbreak, many have asked how to maintain the security posture of their cloud assets. Azure Security Center security controls can help you monitor your security posture as usage of cloud assets increases. These are three common...

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...

Work remotely, stay secure—guidance for CISOs

With many employees suddenly working from home, there are things an organization and employees can do to help remain productive without increasing cybersecurity risk. While employees in this new remote work situation will be thinking about how to stay in touch with colleagues and coworkers using...

Afternoon Cyber Tea—From threat intelligence to chatbots: A look at AI in cybersecurity

I’ve often said our teams should be as diverse as the problems we are trying to solve. Hiring a diverse security team isn’t just the right thing to do, it’s also good business. This is a topic I’m very passionate about, so I was delighted to interview Jane Frankland for the second podcast of...

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...

Step 7. Discover shadow IT and take control of your cloud apps: top 10 actions to secure your environment

The “Top 10 actions to secure your environment” series outlines fundamental steps you can take with your investment in Microsoft 365 security solutions. In “Step 7. Discover shadow IT and take control of cloud apps,” you’ll learn how to set up Microsoft Cloud App Security MCAS to identify, access...

AI is accelerating cyberattacks—here’s how to stay ahead

In March, we wrote that identity security has become the new pressure point for modern cyberattacks. Since then, AI has only increased that pressure. AI helps cyberattackers move faster across the attack chain: personalizing social engineering at scale, automating reconnaissance, analyzing leaked...

Defending against evolving identity attack techniques

In today’s evolving cyber threat landscape, threat actors are committed to advancing the sophistication of their attacks. The increasing adoption of essential security features like multifactor authentication MFA, passwordless solutions, and robust email protections has changed many aspects of th...

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...

Token tactics: How to prevent, detect, and respond to cloud token theft

As organizations increase their coverage of multifactor authentication MFA, threat actors have begun to move to more sophisticated techniques to allow them to compromise corporate resources without needing to satisfy MFA. Recently, the Microsoft Detection and Response Team DART has seen an increa...

Anatomy of a DDoS amplification attack

Amplification attacks are one of the most common distributed denial of service DDoS attack vectors. These attacks are typically categorized as flooding or volumetric attacks, where the attacker succeeds in generating more traffic than the target can process, resulting in exhausting its resources...

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...

3 key resources to accelerate your passwordless journey

Every organization today faces password-related challenges—phishing campaigns, productivity loss, and password management costs to name just a few. The risks now outweigh the benefits when it comes to passwords. Even the strongest passwords are easily phish-able and vulnerable to attacks, such as...

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...

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...

Building a Zero Trust business plan

These past six months have been a remarkable time of transformation for many IT organizations. With the forced shift to remote work, IT professionals have had to act quickly to ensure people continue working productively from home—in some cases bringing entire organizations online over a weekend...

Digital Defense integrates with Microsoft to detect attacks missed by traditional endpoint security

This blog post is part of the Microsoft Intelligent Security Association MISA guest blog series. You can learn more about MISA here. Cybercriminals have ramped up their initial compromises through phishing and pharming attacks using a variety of tools and tactics that, while numerous, are simple...

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...

4 identity partnerships to help drive better security

At Microsoft, we are committed to driving innovation for our partnerships within the identity ecosystem. Together, we are enabling our customers, who live and work in a heterogenous world, to get secure and remote access to the apps and resources they need. In this blog, we’d like to highlight ho...

Defending the power grid against supply chain attacks—Part 2: Securing hardware and software

Artificial intelligence AI and connected devices have fueled digital transformation in the utilities industry. These technological advances promise to reduce costs and increase the efficiency of energy generation, transmission, and distribution. They’ve also created new vulnerabilities...

Quick wins—single sign-on (SSO) and Multi-Factor Authentication (MFA)

With Multi-Factor Authentication MFA and single sign-on SSO being a few of the most effective countermeasures against modern threats, organizations should consider a Cloud Identity as a Service IDaaS, and MFA solution, like Azure Active Directory AD. Here are seven benefits: 1. Azure AD is simple...

Defending the power grid against supply chain attacks—Part 1: The risk defined

Most people don’t think about electricity. If the internet works, their food is refrigerated, and their debit card is approved, why should they? Its ubiquity and reliability render it invisible—a bit of magic that powers much of modern life. That is, until a large storm passes through. Localized...

Microsoft 365 helps governments adopt a Zero Trust security model

For governments to function, the flow of data on a massive scale is required—including sensitive information about critical infrastructure, citizens, and public safety and security. The security of government information systems is subject to constant attempted attacks and in need of a modern...

Overview of rapid cyberattacks

Rapid cyberattacks like Petya and WannaCrypt have reset our expectations on the speed and scope of damage that a cyberattack can inflict. The Microsoft Enterprise Cybersecurity Group Detection and Response team worked extensively to help customers respond to and recover from these kinds of attack...

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...

Silk Typhoon targeting IT supply chain

Executive summary: Microsoft Threat Intelligence identified a shift in tactics by Silk Typhoon, a Chinese espionage group, now targeting common IT solutions like remote management tools and cloud applications to gain initial access. While they haven't been observed directly targeting Microsoft...

Leverage cloud-powered security with Microsoft Defender for IoT

Traditionally, operational technology OT and IT have occupied separate sides of enterprise security. But with digital transformation and the advent of Industry 4.0, the old, siloed approach is showing its age.1 The rise of manufacturing execution systems has enabled more “smart factories” to...

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...

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,...

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...

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 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...

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...

Taking Transport Layer Security (TLS) to the next level with TLS 1.3

Transport Layer Security TLS 1.3 is now enabled by default on Windows 10 Insider Preview builds, starting with Build 20170, the first step in a broader rollout to Windows 10 systems. TLS 1.3 is the latest version of the internet’s most deployed security protocol, which encrypts data to provide a...

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...

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...