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...

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...

Test your team’s security readiness with the Gone Phishing Tournament

Why should you care about the behavioral risk of your employees? Eighty-two percent of breaches include and often start with user behavior.1 Not all are phishing, but a majority of them are just that. Phishing is, and has been for many years, the cheapest and most reliable way for an attacker of...

KuppingerCole rates Microsoft as outstanding in functionality for secure collaboration

We are excited to share that Microsoft has been rated "Outstanding in Functionality" in the KuppingerCole Market Compass for Secure Collaboration, May 2022. Microsoft was also the only company to be awarded the highest possible score of "Strong Positive" in all five categories: security,...

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...

How to improve risk management using Zero Trust architecture

“Compliance is all about risk management and lessening risk, and the same is true of Zero Trust.” —Abbas Kudrati Whats risk management and why is it important? Risk management, the process of developing a strategy for addressing risk throughout its lifecycle, normally involves four phases: risk...

Tarrask malware uses scheduled tasks for defense evasion

As Microsoft continues to track the high-priority state-sponsored threat actor HAFNIUM, new activity has been uncovered that leverages unpatched zero-day vulnerabilities as initial vectors. The Microsoft Detection and Response Team DART in collaboration with the Microsoft Threat Intelligence Cent...

Secure your OT and IoT devices with Microsoft Defender for IoT and Quzara Cybertorch™

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. In recent years, malicious actors have started attacking industrial control systems and key sectors of nations’ critical infrastructure to inflict damage that transcends the cyber...

Evolved phishing: Device registration trick adds to phishers’ toolbox for victims without MFA

We have recently uncovered a large-scale, multi-phase campaign that adds a novel technique to traditional phishing tactics by joining an attacker-operated device to an organization’s network to further propagate the campaign. We observed that the second stage of the campaign was successful agains...

How CISOs are preparing to tackle 2022

Looking back over the last year, the security landscape has continued to experience significant change and escalation. Every day, we see the toll this is taking on organizations of all sizes as they navigate the enduring challenges of the pandemic, the expansion of the digital estate, and the...

Microsoft unpacks comprehensive security at Gartner and Forrester virtual events

Every day, Microsoft is committed to maintaining comprehensive security for all across our interconnected global community. With that purpose in mind, we recently sponsored the 2021 Gartner Security and Risk Summit and 2021 Forester Security and Risk Forum, where we discussed ongoing changes in t...

Iranian targeting of IT sector on the rise

Iranian threat actors are increasing attacks against IT services companies as a way to access their customers’ networks. This activity is notable because targeting third parties has the potential to exploit more sensitive organizations by taking advantage of trust and access in a supply chain...

Why diversity is important for a strong cybersecurity team

Medicine. Aeronautics. Academia. When you’re a cybersecurity professional, the colleague next to you could have started in one of these industries—or just about any other you can imagine. The backgrounds of cybersecurity professionals are more diverse than those of professionals in other...

How a positive hybrid work culture can help you to mitigate insider risk

As Vasu Jakkal recently shared, we are operating in the most sophisticated threat landscape ever seen, and coupled with the next great disruption—hybrid work—security is more challenging than ever. Protecting from external threats is only one part of the challenge, though. You also must protect...

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...

Announcing the Zero Trust Deployment Center

Organizations have been digitally transforming at warp speed in response to the way businesses operate and how people work. As a result, digital security teams have been under immense pressure to ensure their environments are resilient and secure. Many have turned to a Zero Trust security model t...

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...

What’s new in Windows Defender ATP Fall Creators Update

When we introduced Windows Defender Advanced Threat Protection Windows Defender ATP, our initial focus was to reduce the time it takes companies to detect, investigate, and respond to advanced attacks. The Windows Fall Creators Update represents a new chapter in our product evolution as we offer ...

MSRT June 2017: Removing sneaky Xiazai

In the June release of the Microsoft Malicious Software Removal Tool MSRT, we’re adding Xiazai, a widespread family of browser modifiers that we have blocked and removed from millions of computers since 2015. Xiazai is a software bundler that can sneak in additional changes. Xiazai does not insta...

Unified security operations with Microsoft Sentinel and Microsoft Defender XDR

Numerous cybersecurity tools exist to help organizations protect their data, people, and systems. There are different tools that check emails for phishing attempts, secure infrastructure and cloud, and provide generative AI to detect threats and uplevel response beyond human ability. While each o...

5 ways to secure identity and access for 2024

The security landscape is changing fast. In 2023, we saw a record-high 30 billion attempted password attacks per month, a 35% increase in demand for cybersecurity experts, and a 23% annual rise in cases processed by the Microsoft Security Response Center and Security Operations Center teams.1 Thi...

Celebrate 20 years of Cybersecurity Awareness Month with Microsoft and let’s secure our world together

This year marks the twentieth anniversary of Cybersecurity Awareness Month, when we partner with the National Cybersecurity Alliance, the United States Cybersecurity and Infrastructure Security Agency CISA, and organizations around the world to amplify the importance of cybersecurity best practic...

New Microsoft Security innovations expand multicloud visibility and enhance multiplatform protection

With more than 90 percent of organizations adopting a multicloud strategy1 and cloud-based cyberattacks growing 48 percent year over year,2 securing multicloud and hybrid environments is more important than ever. To successfully protect multicloud infrastructure—where customers are utilizing two ...

Detecting and mitigating a multi-stage AiTM phishing and BEC campaign

Microsoft Defender Experts uncovered a multi-stage adversary-in-the-middle AiTM phishing and business email compromise BEC attack against banking and financial services organizations. The attack originated from a compromised trusted vendor and transitioned into a series of AiTM attacks and...

Forrester names Microsoft a Leader in 2023 Infrastructure-as-a-Service Platform Native Security report

As we continue to drive toward making the world safer and more productive for all, it is vital we empower our customers to secure every aspect of their organization. Each day we are seeing more advanced security threats as bad actors develop new tactics that aim to take advantage of businesses as...

Discover a new era of security with Microsoft at RSAC 2023

We’re thrilled to participate and connect with you at RSA Conference 2023 RSAC from April 23 to 27, 2023, in San Francisco. Join your security peers as we welcome you to the new era of security—shaped by the power of OpenAI’s GPT-4 generative AI—and introduce to you the recently announced Microso...

Cybersecurity health and how to stay ahead of attackers with Linda Grasso

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 Community Voices blog series, Microsoft Security Senior Product Marketing Manager Brooke Lynn Weenig talks with Linda Grasso, the...

Addressing cybersecurity at the board level with Difenda and Microsoft

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. Cybersecurity is no longer simply a lone silo or regulatory process; it is a business issue that affects every aspect of an organization. From financial losses to reputational damage...

Microsoft Security tips for mitigating risk in mergers and acquisitions

Sixty-two percent of organizations that undertake mergers and acquisitions face significant cybersecurity risks or consider cyber risks their biggest concern post-acquisition.1 Threat actors that focus on corporate espionage often target the acquiring company, which we will refer to as the Parent...

How businesses are gaining integrated data protection with Microsoft Purview

Currently, our interconnected world is creating 2.5 quintillion bytes of data every day.1 Every purchase made, every email sent, every contract signed: all of it gets shared, accessed, and stored. We take it on faith that organizations are doing all this safely; however, data loss is becoming a...

Do more with less—Discover the latest Microsoft Entra innovations

It has certainly been another intense year. From the ongoing pandemic to the Great Reshuffle to economic uncertainty, it’s truly felt like the only constant is change.1 In this economy, many organizations are looking for efficiencies. This is putting pressure on security teams, along with everyon...

Microsoft publishes new report on holistic insider risk management

The risk landscape for organizations has changed significantly in the past few years. The amount of data captured, copied, and consumed is expected to grow to more than 180 zettabytes through 2025.1 Traditional ways of identifying and mitigating risks don’t always work. Historically, organization...

Disrupting SEABORGIUM’s ongoing phishing operations

The Microsoft Threat Intelligence Center MSTIC has observed and taken actions to disrupt campaigns launched by SEABORGIUM, an actor Microsoft has tracked since 2017. SEABORGIUM is a threat actor that originates from Russia, with objectives and victimology that align closely with Russian state...

Using process creation properties to catch evasion techniques

We developed a robust detection method in Microsoft Defender for Endpoint that can catch known and unknown variations of a process execution class used by attackers to evade detection. This class of stealthy execution techniques breaks some assumptions made by security products and enables...

MSTICPy January 2022 hackathon highlights

During the month of January 2022, the Microsoft Threat Intelligence Center MSTIC ran its inaugural hackathon for the open-source Jupyter and Python Security Tools library, MSTICPy. We asked the security community for their contributions to expand and improve MSTICPy’s features and capabilities, a...

4 best practices to implement a comprehensive Zero Trust security approach

Today’s threat actors don’t see barriers, they see opportunities. As the old firewalls protecting the corporate network become obsolete amid the rush to adopt a hybrid workspace, implementing Zero Trust security has become an imperative across all sectors, both public and private. During this tim...

What’s Next in Security from Microsoft

One of the biggest challenges in security today is complexity. Not only is there an ever-growing number of threats, but many organizations are defending their companies with a patchwork of security solutions that don’t work well together. This piecemeal approach is costly, less secure, and hinder...

Discover 3 ways to take a holistic approach to data protection

The risk landscape for organizations has changed significantly in the past few years. Traditional ways of identifying and mitigating risks simply don’t work. While traditionally, organizations have focused on external threats, risks from within the organization are just as prevalent and harmful...

Align your security and network teams to Zero Trust security demands

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 Security Product Marketing Manager Natalia Godyla talks with Jennifer Minella, Founder and...

Best practices for AI security risk management

Today, we are releasing an AI security risk assessment framework as a step to empower organizations to reliably audit, track, and improve the security of the AI systems. In addition, we are providing new updates to Counterfit, our open-source tool to simplify assessing the security posture of AI...

Get career advice from 7 inspiring leaders in cybersecurity

Are you currently studying information security? Or are you considering transitioning to a career in cybersecurity? According to the US Bureau of Labor Statistics, cybersecurity jobs will grow 31 percent from 2019 to 2029—more than six times the national average job growth.1 Cybersecurity skills...

Automating threat actor tracking: Understanding attacker behavior for intelligence and contextual alerting

As seen in recent sophisticated cyberattacks, especially human-operated campaigns, it’s critical to not only detect an attack as early as possible but also to rapidly determine the scope of the compromise and predict how it will progress. How an attack proceeds depends on the attacker’s goals and...

Application fuzzing in the era of Machine Learning and AI

Proactively testing software for bugs is not new. The earliest examples date back to the 1950s with the term fuzzing. Fuzzing as we now refer to it is the injection of random inputs and commands into applications. It made its debut quite literally on a dark and stormy night in 1988. Since then,...

Ransomware operators are hiding malware deeper in installer packages

Note: Read our latest comprehensive report on ransomware: Ransomware 1H 2017 review: Global outbreaks reinforce the value of security hygiene. We are seeing a wave of new NSIS installers used in ransomware campaigns. These new installers pack significant updates, indicating a collective move by...

The new .LNK between spam and Locky infection

Just when it seems the Ransom:Win32/Locky activity has slowed down, our continuous monitoring of the ransomware family reveals a new workaround that the authors might be using to keep it going. The decline in Locky activity can be attributed to the slowdown of detections of Nemucod, which Locky...

Nemucod dot dot..WSF

The latest Nemucod campaign shows the malware distributing a spam email attachment with a .wsf extension, specifically ..wsf with a double dot extension. It is a variation of what has been observed since last year 2015 – the TrojanDownloader:JS/Nemucod malware downloader using JScript. It still...

New Microsoft Incident Response team guide shares best practices for security teams and leaders

As enterprise networks grow in both size and complexity, securing them from motivated cyberthreat actors becomes more challenging. The incident response process can be a maze that security professionals must quickly learn to navigate—which is no easy task. Surprisingly, many organizations still...

Microsoft Security Copilot drives new product integrations at Microsoft Ignite to empower security and IT teams

First announced in March 2023, Microsoft Security Copilot—Microsofts first generative AI security product—has sparked major interest. The widespread enthusiasm was on full display after announcing our Early Access Program in October 2023 and sharing our incredible Security Copilot innovations at...

Forrester names Microsoft Intune a Leader in the 2023 Forrester Wave™ for Unified Endpoint Management

Maintaining a secure and optimized digital environment allows new ideas to flourish wherever they occur. In the modern workplace, where devices and locations are no longer fixed, Microsoft Intune eases the task of managing and protecting the endpoints of businesses everywhere. It helps secure...

Forrester names Microsoft a Leader in the 2023 Endpoint Security Wave™ report

We are excited to share that Microsoft has been named a Leader in The Forrester Wave™: Endpoint Security, Q4 2023. Microsoft received the highest possible scores in the strategy category for the vision and roadmap criteria. Forrester notes, “Microsoft’s outstanding roadmap for endpoint security...