AI and agents

AI and machine learning help you identify threats sooner and respond more effectively. Learn how to safeguard your infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS) resources across multicloud and hybrid environments.

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Prevent threats with Microsoft Defender
The Microsoft Defender family offers comprehensive threat prevention, detection, and response capabilities for everyone—from individuals looking to protect their family to the world’s largest enterprises.
Explore products
November 15, 2021

8 min read

AI-driven adaptive protection against human-operated ransomware

We developed a cloud-based machine learning system that, when queried by a device, intelligently predicts if it is at risk, then automatically issues a more aggressive blocking verdict to protect the device, thwarting an attacker’s next steps.
August 19, 2021

5 min read

Automating security assessments using Cloud Katana

Today, we are open-sourcing Cloud Katana, a cloud-native tool under development, to automate simulation steps on-demand in multi-cloud and hybrid cloud environments.
July 29, 2021

4 min read

Attack AI systems in Machine Learning Evasion Competition

Today, we are launching MLSEC.IO, a new machine learning security evasion competition as an educational effort for the AI and security communities to exercise their muscle to attack critical AI systems in a realistic setting.
May 3, 2021

4 min read

AI security risk assessment using Counterfit

Counterfit is a command-line tool for security professionals to red team AI systems and systematically scans for vulnerabilities as part of AI risk assessment.
Retain Microsoft Security Experts
Microsoft Security Experts are now available to strengthen your team with managed security services. Learn how to defend against threats with security experts.
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October 22, 2020

4 min read

Cyberattacks against machine learning systems are more common than you think

Machine learning (ML) is making incredible transformations in critical areas such as finance, healthcare, and defense, impacting nearly every aspect of our lives.
October 20, 2020

4 min read

CISO Spotlight: How diversity of data (and people) defeats today’s cyber threats

This year, we have seen five significant security paradigm shifts in our industry.
October 14, 2020

3 min read

Security Unlocked—A new podcast exploring the people and AI that power Microsoft Security solutions

It’s hard to keep pace with all the changes happening in the world of cybersecurity.
October 7, 2020

5 min read

Best practices for defending Azure Virtual Machines

One of the things that our Detection and Response Team (DART) and Customer Service and Support (CSS) security teams see frequently during investigation of customer incidents are attacks on virtual machines from the internet.
Go beyond data protection with Microsoft Purview
Govern, protect, and manage all of your data with Microsoft Purview, comprehensive solutions to help give you better visibility and control.
Learn more
July 23, 2020

11 min read

Seeing the big picture: Deep learning-based fusion of behavior signals for threat detection

Learn how we’re using deep learning to build a powerful, high-precision classification model for long sequences of wide-ranging signals occurring at different times.
June 10, 2020

4 min read

Misconfigured Kubeflow workloads are a security risk

Azure Security Center monitors and defends thousands of Kubernetes clusters running on top of Azure Kubernetes Service.
April 16, 2020

4 min read

Secure the software development lifecycle with machine learning

A collaboration between data science and security produced a machine learning model that accurately identifies and classifies security bugs based solely on report names.
March 19, 2020

5 min read

Welcoming more women into cybersecurity: the power of mentorships

I’ve long been a proponent to challenging traditional schools of thought—traditional cyber-norms—and encouraging our industry to get outside its comfort zones.