Threat intelligence

The Microsoft Threat Intelligence community is made up of world-class experts, security researchers, analysts, and threat hunters who analyze 100 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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August 24, 2023

13 min read

Flax Typhoon using legitimate software to quietly access Taiwanese organizations

China-based actor Flax Typhoon is exploiting known vulnerabilities for public-facing servers, legitimate VPN software, and open-source malware to gain access to Taiwanese organizations, but not taking further action.
September 7, 2023

7 min read

Cloud storage security: What’s new in the threat matrix

We’re announcing the release of a second version of our threat matrix for storage services, a structured tool that assists in identifying and analyzing potential security threats on data stored in cloud storage services.
September 12, 2023

8 min read

Malware distributor Storm-0324 facilitates ransomware access

The threat actor that Microsoft tracks as Storm-0324 is a financially motivated group known to gain initial access using email-based initial infection vectors and then hand off access to compromised networks to other threat actors.
September 14, 2023

13 min read

Uncursing the ncurses: Memory corruption vulnerabilities found in library

A set of memory corruption vulnerabilities in the ncurses library could have allowed attackers to chain the vulnerabilities to elevate privileges and run code in the targeted program’s context or perform other malicious actions.
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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September 14, 2023

10 min read

Peach Sandstorm password spray campaigns enable intelligence collection at high-value targets

Since February 2023, Microsoft has observed a high volume of password spray attacks attributed to Peach Sandstorm, an Iranian nation-state group.
October 3, 2023

9 min read

Defending new vectors: Threat actors attempt SQL Server to cloud lateral movement

Microsoft security researchers recently identified an attack where attackers attempted to move laterally to a cloud environment through a SQL Server instance.
October 11, 2023

10 min read

Automatic disruption of human-operated attacks through containment of compromised user accounts

User containment is a unique and innovative defense mechanism that stops human-operated attacks in their tracks.
October 18, 2023

10 min read

Multiple North Korean threat actors exploiting the TeamCity CVE-2023-42793 vulnerability

Since early October 2023, Microsoft has observed North Korean nation-state threat actors Diamond Sleet and Onyx Sleet exploiting the Jet Brains TeamCity CVE-2023-42793 remote-code execution vulnerability.
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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October 25, 2023

17 min read

Octo Tempest crosses boundaries to facilitate extortion, encryption, and destruction

Microsoft has been tracking activity related to the financially motivated threat actor Octo Tempest, whose evolving campaigns represent a growing concern for many organizations across multiple industries.
November 9, 2023

6 min read

Microsoft shares threat intelligence at CYBERWARCON 2023

At the CYBERWARCON 2023 conference, Microsoft and LinkedIn analysts are presenting several sessions detailing analysis across multiple sets of threat actors and related activity, demonstrating Microsoft Threat Intelligence’s ongoing efforts to track threat actors, protect customers, and share information with the wider security community.
November 20, 2023

9 min read

Social engineering attacks lure Indian users to install Android banking trojans

Microsoft has observed ongoing activity from mobile banking trojan campaigns targeting users in India with social media messages and malicious applications designed to impersonate legitimate organizations and steal users’ information for financial fraud scams.
November 22, 2023

7 min read

Diamond Sleet supply chain compromise distributes a modified CyberLink installer

Microsoft has uncovered a supply chain attack by the threat actor Diamond Sleet (ZINC) involving a malicious variant of an application developed by CyberLink Corp.