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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Simplify endpoint management with Microsoft Intune
Microsoft Intune is a cloud-based unified endpoint management platform that empowers IT to manage, assess, and protect apps and devices.
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April 27, 2015

2 min read

Cleaning up misleading advertisements

Protecting the modern workplace from a wide range of undesirable software Our evaluation criteria describe the characteristics and behavior of malware and potentially unwanted applications and guide the proper identification of threats.
June 17, 2015

4 min read

Understanding type confusion vulnerabilities: CVE-2015-0336

In March 2014, we observed a patched Adobe Flash vulnerability (CVE-2015-0336) being exploited in the wild.
November 16, 2015

2 min read

Microsoft Security Intelligence Report: Strontium

The Microsoft Security Intelligence Report (SIR) provides a regular snapshot of the current threat landscape, using data from more than 600 million computers worldwide.
December 17, 2015

3 min read

Microsoft updates Trusted Root Certificate Program to reinforce trust in the Internet

At Microsoft, we are continuously working to deliver on our commitment to the security of our customers and their ecosystems.
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.
Learn more
December 21, 2015

2 min read

Keeping browsing experience in users’ hands

Protecting the modern workplace from a wide range of undesirable software Our evaluation criteria describe the characteristics and behavior of malware and potentially unwanted applications and guide the proper identification of threats.
March 22, 2016

5 min read

New feature in Office 2016 can block macros and help prevent infection

To help counter malware, we are releasing a new feature in Office 2016 that blocks macros from loading in certain high-risk scenarios.
April 12, 2016

3 min read

MSRT April release features Bedep detection

As part of our ongoing effort to provide better malware protection, the Microsoft Malicious Software Removal Tool (MSRT) release this April will include detections for: Win32/Bedep – Trojan family Win32/Upatre – Trojan family Ransom:MSIL/Samas – Ransomware family In this blog, we’ll focus on the Bedep family of trojans.
April 21, 2016

2 min read

A brief discourse on ‘Changing browsing experience’

Protecting the modern workplace from a wide range of undesirable software Our evaluation criteria describe the characteristics and behavior of malware and potentially unwanted applications and guide the proper identification of threats.
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
May 26, 2016

2 min read

Limited Periodic Scanning in Windows 10 to Provide Additional Malware Protection

Every month, Microsoft’s Malicious Software Removal Tool (MSRT) scans more than 500 million Windows devices for malware and malicious software.
July 22, 2016

4 min read

Kovter becomes almost fileless, creates a new file type, and gets some new certificates

Trojan:Win32/Kovter is a well-known click-fraud malware which is challenging to detect and remove because of its file-less persistence on infected PCs.
October 21, 2016

4 min read

Beware of Hicurdismos: It’s a fake Microsoft Security Essentials installer that can lead to a support call scam

(Note: Our Tech support scams FAQ page has the latest info on this type of threat, including scammer tactics, fake error messages, and the latest scammer hotlines.
October 26, 2016

1 min read

Office 2013 can now block macros to help prevent infection

Office 365 client applications now integrate with AMSI, enabling antivirus and other security solutions to scan macros and other scripts at runtime to check for malicious behavior.