Threat intelligence

The Microsoft Threat Intelligence community is made up of world-class experts, security researchers, analysts, and threat hunters who analyze 78 trillion signals daily to discover threats and deliver timely and timely, relevant insight to protect customers. See our latest findings, insights, and guidance.

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Secure and verify every identity with Microsoft Entra
Microsoft Entra expands beyond identity and access management with new product categories such as cloud infrastructure entitlement management (CIEM) and decentralized identity.
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November 21, 2017

7 min read

Office 365 Advanced Threat Protection defense for corporate networks against recent Office exploit attacks

The Office 365 Threat Research team has seen an uptick in the use of Office exploits in attacks across various industry sectors in recent months.
December 11, 2017

6 min read

Detonating a bad rabbit: Windows Defender Antivirus and layered machine learning defenses

Windows Defender Antivirus uses a layered approach to protection: tiers of advanced automation and machine learning models evaluate files in order to reach a verdict on suspected malware.
December 19, 2017

6 min read

How Microsoft tools and partners support GDPR compliance

There are tools available that can ease kick-off activities for CISOs, CIOs, and DPOs.
January 24, 2018

7 min read

Now you see me: Exposing fileless malware

Attackers are determined to circumvent security defenses using increasingly sophisticated techniques.
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.
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January 30, 2018

2 min read

Protecting customers from being intimidated into making an unnecessary purchase

Protecting the modern workplace from a wide range of undesirable softwareOur evaluation criteria describe the characteristics and behavior of malware and potentially unwanted applications and guide the proper identification of threats.
February 14, 2018

6 min read

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.
March 1, 2018

20 min read

FinFisher exposed: A researcher’s tale of defeating traps, tricks, and complex virtual machines

Office 365 Advanced Threat Protection (Office 365 ATP) blocked many notable zero-day exploits in 2017.
March 7, 2018

5 min read

Behavior monitoring combined with machine learning spoils a massive Dofoil coin mining campaign

Update: Further analysis of this campaign points to a poisoned update for a peer-to-peer (P2P) application.
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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March 13, 2018

8 min read

Invisible resource thieves: The increasing threat of cryptocurrency miners

The surge in Bitcoin prices has driven widescale interest in cryptocurrencies.
March 13, 2018

7 min read

Poisoned peer-to-peer app kicked off Dofoil coin miner outbreak

On March 7, we reported that a massive Dofoil campaign attempted to install malicious cryptocurrency miners on hundreds of thousands of computers.
March 14, 2018

2 min read

Sharing research and discoveries at PWN2OWN

The annual PWN2OWN exploit contest at the CanSecWest conference in Vancouver, British Columbia, Canada, brings together some of the top security talent from across the globe in a friendly competition.
April 4, 2018

8 min read

Hunting down Dofoil with Windows Defender ATP

Dofoil is a sophisticated threat that attempted to install coin miner malware on hundreds of thousands of computers in March, 2018.