Solving the TLS 1.0 problem

The use of Transport Layer Security TLS encryption for data in transit is a common way to help ensure the confidentiality and integrity of data transmitted between devices, such as a web server and a computer. However, in recent years older versions of the protocol have been shown to have...

CISO series: Lessons learned—4 priorities to achieve the largest security improvements

In my past life as CISO, Ive worked for small companies, state governments, and large enterprises, and one thing that has been true at all of them is that there is an infinite number of security initiatives in each organization you could implement, yet the resources to accomplish those tasks are...

DEV-0569 finds new ways to deliver Royal ransomware, various payloads

Recent activity from the threat actor that Microsoft tracks as DEV-0569, known to distribute various payloads, has led to the deployment of the Royal ransomware, which first emerged in September 2022 and is being distributed by multiple threat actors. Observed DEV-0569 attacks show a pattern of...

New “Prestige” ransomware impacts organizations in Ukraine and Poland

The Microsoft Threat Intelligence Center MSTIC has identified evidence of a novel ransomware campaign targeting organizations in the transportation and related logistics industries in Ukraine and Poland utilizing a previously unidentified ransomware payload. We observed this new ransomware, which...

Destructive malware targeting Ukrainian organizations

Microsoft Threat Intelligence Center MSTIC has identified evidence of a destructive malware operation targeting multiple organizations in Ukraine. This malware first appeared on victim systems in Ukraine on January 13, 2022. Microsoft is aware of the ongoing geopolitical events in Ukraine and...

New insights on cybersecurity in the age of hybrid work

As we approach the last week of Cybersecurity Awareness Month, I think about what is top of mind for myself and my peers in security. The past year has continued the 2020s major shift in the way organizations operate. Recent data shows that 81 percent of enterprise organizations have begun the mo...

Automating security assessments using Cloud Katana

Today, we are open sourcing Cloud Katana, a cloud-native serverless application built on the top of Azure Functions to assess security controls in the cloud and hybrid cloud environments. We are currently covering only use cases in Azure, but we are working on extending it to other cloud provider...

The critical role of Zero Trust in securing our world

We are operating in the most complex cybersecurity landscape that we’ve ever seen. While our current ability to detect and respond to attacks has matured incredibly quickly in recent years, bad actors haven’t been standing still. Large-scale attacks like those pursued by Nobelium1 and Hafnium,...

Afternoon Cyber Tea: Microsoft’s cybersecurity response to COVID-19

On February 25, 2020, Microsoft Chief Information Security Officer CISO Bret Arsenault was attending the RSA Conference in San Francisco when the city declared a state of emergency because of COVID-19. Shortly after flying back to Seattle, Bret learned of the first death from the coronavirus in...

Microsoft is a Leader in the 2021 Forrester Endpoint Security Software as a Service Wave

We are excited to share that Microsoft has been named a Leader in The Forrester Wave: Endpoint Security Software as a Service, Q2 20211, receiving one of the highest scores in the strategy category and among the top three scores in the current offering category. Forrester notes that “the focus on...

How to apply a Zero Trust approach to your IoT solutions

For many, 2020 was a year of survival as they rapidly transformed their businesses in response to a new normal. From enabling new remote and hybrid work models to implementing new technology to help optimize operations, the last year has seen a significant uptick in the proliferation and role of...

How far have we come? The evolution of securing identities

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 Troy Hunt, founder of Have I Been Pwned,...

New Security Signals study shows firmware attacks on the rise; here’s how Microsoft is working to help eliminate this entire class of threats

Cybersecurity threats are always evolving, and today we’re seeing a new wave of advanced attacks targeting areas of computing that don’t have the protection of the cloud. New data shows that firmware attacks are on the rise, and businesses aren’t paying close enough attention to securing this...

Becoming resilient by understanding cybersecurity risks: Part 3—a security pro’s perspective

In part two of this blog series on aligning security with business objectives and risk, we explored the importance of thinking and acting holistically, using the example of human-operated ransomware, which threatens every organization in every industry. As we exited 2020, the Solorigate attack...

6 strategies to reduce cybersecurity alert fatigue in your SOC

Today, organizations are faced with the increasingly difficult task of trying to protect their expanding digital estate from sophisticated cybersecurity threats. Migration to the cloud and a mobile workforce has dissolved the network boundary and projected the digital estate beyond its traditiona...

Blue Cedar partners with Microsoft to combat BYOD issues

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. Bring Your Own Device BYOD has been a divisive topic within corporations for years. Employees wanted the convenience of working on their own smart devices, and business decision-make...

Forcepoint and Microsoft: Risk-based access control for the remote workforce

This blog post is part of the Microsoft Intelligence Security Association MISA guest blog series. Learn more about MISA here. Adopting cloud-based services as part of an organization’s digital transformation strategy is no longer optional, its a necessity. Last year, only 18 percent of the...

CISO Stressbusters: 7 tips for weathering the cybersecurity storms

An essential requirement of being a Chief Information Security Officer CISO is stakeholder management. In many organizations, security is still seen as a support function; meaning, any share of the budget you receive may be viewed jealously by other departments. Bringing change to an organization...

Cybersecurity best practices to implement highly secured devices

Almost three years ago, we published The Seven Properties of Highly Secured Devices, which introduced a new standard for IoT security and argued, based on an analysis of best-in-class devices, that seven properties must be present on every standalone device that connects to the internet in order ...

Data governance matters now more than ever

Knowing, protecting, and governing your organizational data is critical to adhere to regulations and meet security and privacy needs. Arguably, that’s never been truer than it is today as we face these unprecedented health and economic circumstances. To help organizations to navigate privacy duri...

Alternative ways for security professionals and IT to achieve modern security controls in today’s unique remote work scenarios

With the bulk of end users now working remotely, legacy network architectures that route all remote traffic through a central corporate network are suddenly under enormous strain. The result can be poorer performance, productivity, and user experience. Many organizations are now rethinking their...

New capabilities for eDiscovery now available

With the exponential growth of data, there is a pressing need for broader visibility into ever-increasing case activities that require eDiscovery to extend to chat-based communication and collaboration tools. New capabilities help you manage eDiscovery in Microsoft Teams including the ability to...

Understand and improve your security posture with Microsoft 365

I kickstarted 2019 with a “dry,” keto January. And, as so often happens, I found a parallel between my personal life and my chosen industry, cybersecurity. In this case, it was measurement. How do you know if you’re healthy? There are clear indicators when you’re not healthy, such as a sore throa...

Defend your digital landscape with Microsoft 365

What is it about the middle of the night that brings our fears to the surface? For me, it’s the unknown dangers that may confront my young daughter and how I will protect her. Fear of the unknown can also disrupt the sleep of a chief information security officer CISO who worries about the...

Here is Homeland Security, black swans, and thwarted cyberattacks

Last week, I had the honor of addressing The Homeland Security Training Institute HSTI at the College of DuPage as part of the HSTI Live educational series. The event featured other prominent speakers at the forefront of cybersecurity defense, including: Dave Tyson, CEO of CISO Insights, a global...

Gain flexibility and scale with a cloud-native DLP solution

We’re living in a seismic era for data security. Chief information security officers CISOs have to contend with a digital landscape that seems to shift daily as more organizations move to remote and hybrid work, redrawing the boundaries for how data is used and shared. The cloud has enabled...

Microsoft and NIST collaborate on EO to drive Zero Trust adoption

2020s Nobelium attack sent shock waves through both government and private sectors. 2021 has already seen large-scale nation-state attacks such as Hafnium1 alongside major ransomware attacks2 on critical infrastructure. The breadth and boldness of these attacks show that, far from being deterred,...

How to secure your hybrid work world with a Zero Trust approach

We are operating in the most complex cybersecurity landscape we’ve ever seen. Sophisticated and determined attackers are the norm. And we all are preparing for the next great disruption—hybrid work. Security has never been more important, and as I shared in another Security blog today, it’s clear...

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...

How can Microsoft Threat Protection help reduce the risk from phishing?

Microsoft Threat Protection can help you reduce the cost of phishing The true cost of a successful phishing campaign may be higher than you think. Although phishing defenses and user education have become common in many organizations, employees still fall prey to these attacks. This is a problem...

How to organize your security team: The evolution of cybersecurity roles and responsibilities

Digital transformation, cloud computing, and a sophisticated threat landscape are forcing everyone to rethink the functions of each role on their security teams, from Chief Information Security Officers CISOs to practitioners. With billions of people around the globe working from home, changes to...

Introducing Microsoft Application Inspector

Modern software development practices often involve building applications from hundreds of existing components, whether they’re written by another team in your organization, an external vendor, or someone in the open source community. Reuse has great benefits, including time-to-market, quality, a...

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...

Microsoft is named a leader in the Forrester Wave for XDR

“Defenders think in lists, attackers think in graphs.”1 This remains a reality for the many organizations that operate across siloed security tools, fueling the demand on security operations SOC teams, as advanced cyberattacks continue to increase in frequency and speed. That’s where extended...

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 announces new solutions for threat intelligence and attack surface management

Uncover adversaries with new Microsoft Defender threat intelligence products The threat landscape is more sophisticated than ever and damages have soared—the Federal Bureau of Investigations 2021 IC3 report found that the cost of cybercrime now totals more than USD6.9 billion.1 To counter these...

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...

7 ways to harden your environment against compromise

Here at the global Microsoft Compromise Recovery Security Practice CRSP, we work with customers who have experienced disruptive security incidents to restore trust in identity systems and remove adversary control. During 2020, the team responded to many incidents involving ransomware and the...

Protecting SAP applications with the new Azure Sentinel SAP threat monitoring solution

As one of the leading solution providers for applications that manage business processes, SAP is the custodian for massive amounts of sensitive data in many of the biggest organizations in the world. Since these applications are business-critical, an SAP security breach can be catastrophic. Yet,...

How to build a successful application security program

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 Tanya Janca, Founder of We Hack Purple...

Meet the Microsoft Pluton processor – The security chip designed for the future of Windows PCs

The role of the Windows PC and trust in technology are more important than ever as our devices keep us connected and productive across work and life. Windows 10 is the most secure version of Windows ever, built with end-to-end security for protection from the edge to the cloud all the way down to...

3 ways Microsoft helps build cyber safety awareness for all

This tumultuous year has brought paradigm shifts across every facet of daily life. A global pandemic has pushed much of our lives online—work, school, entertainment, shopping, and socializing. But one thing remains unchanged: people everywhere share a common need for safety. Today, our need for...

Zero Trust: From security option to business imperative overnight

Not long ago when I spoke with customers about Zero Trust, our conversations focused on discussing the principles, defining scope, or sharing our own IT organization’s journey. Zero Trust was something interesting to learn about, and most organizations were very much in the exploratory phase. As...

Empowering your remote workforce with end-user security awareness

COVID-19 has rapidly transformed how we all work. Organizations need quick and effective user security and awareness training to address the swiftly changing needs of the new normal for many of us. To help our customers deploy user training quickly, easily and effectively, we are announcing the...

Ransomware response—to pay or not to pay?

The increased connectivity of computers and the growth of Bring Your Own Device BYOD in most organizations is making the distribution of malicious software malware easier. Unlike other types of malicious programs that may usually go undetected for a longer period, a ransomware attack is usually...

AI brands as bait: How threat actors are using the AI hype in social engineering

In this article 1. ChatGPT-themed lure leads to phishing kit collecting credit card data 2. Claude-themed phishing campaign collected credentials and access tokens 3. "Awesome AI Windows Plugin” malvertising deploys Vidar stealer 4. Fake DeepSeek V4 installers on GitHub delivered Vidar Stealer 5...

Cross‑tenant helpdesk impersonation to data exfiltration: A human-operated intrusion playbook

In this article 1. Risk to enterprise environments 2. Attack chain overview 1. Stage 1: Initial contact via Teams T1566.003 Spearphishing via Service 2. Stage 2: Remote assistance foothold 3. Stage 3: Interactive reconnaissance and access validation 4. Stage 4: Payload placement and trusted...

​​How the Microsoft Secure Future Initiative brings Zero Trust to life

In this blog, you'll learn more about how the Microsoft Secure Future Initiative SFI—a real-world case study on Zero Trust—aligns with Zero Trust strategies. We’ll share key updates from the April 2025 SFI progress report and practical Zero Trust guidance to help you strengthen your organization’...

New Microsoft identity and data security capabilities to accelerate CMMC compliance for the Defense Industrial Base

As Department of Defense DoD Chief Information Officer Hon. John Sherman said recently, Cybersecurity Maturity Model Certification CMMC is necessary to ensure that the United States raises the bar for protecting sensitive information.1 The DoD is leading by example towards this goal by implementi...

Microsoft announces the 2023 Microsoft Security Excellence Awards winners

In a world that’s constantly changing and challenging us, we believe that nothing can stop us when we work together. That’s the spirit of collaboration we celebrated on April 24, 2023, at the fourth annual Microsoft Security Excellence Awards. These awards recognize outstanding contributions from...